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Fluke DTX-1800 Technical Reference Handbook

Dtx series cable analyzer
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Table of Contents
DTX Series
CableAnalyzer
Technical Reference Handbook
April 2004, Rev. 11 1/11
©2004-2011 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies.

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Table of Contents
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  Also See for Fluke DTX-1800

  Summary of Contents for Fluke DTX-1800

  • Page 1 DTX Series CableAnalyzer ™ Technical Reference Handbook April 2004, Rev. 11 1/11 ©2004-2011 Fluke Corporation. All rights reserved. All product names are trademarks of their respective companies.
  • Page 2 90 days, unless otherwise stated. Ni-Cad, Ni-MH and Li-Ion batteries, cables or other peripherals are all considered parts or accessories. The warranty extends only to the original buyer or end user customer of a Fluke Networks authorized reseller, and does not apply to any product which, in Fluke Networks’...
  • Page 3 SOFTWARE NOTICE This notice applies to portions of the software used in this product. Copyright © 1982, 1986, 1990, 1993 The Regents of the University of California. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1.
  • Page 5 Chapter Page Getting Acquainted Overview of Features ............................1-1 Registration ..............................1-2 Additional Resources for Cable Testing Information ..................1-2 Contacting Fluke Networks ..........................1-3 Unpacking ................................ 1-4 DTX-1800 ..............................1-4 DTX-1200 ..............................1-4 DTX-LT ................................. 1-4 DTX-ELT ............................... 1-5 DTX-CLT ...............................
  • Page 6 Enabling or Disabling the Beeper ......................1-29 Overview of Memory Features ........................1-29 Inserting and Removing the Memory Card ....................1-29 Formatting the Memory Card (DTX-1800 and DTX-1200) or Internal Memory ........1-29 Creating Folders ............................1-30 Setting the Storage Location (DTX-1800 and DTX-1200) ................. 1-31 Options for Entering Cable IDs ........................
  • Page 7 Step 1: Checking the Memory Space Available ..................2-1 Step 2: Entering Job Information ....................... 2-1 Step 3: Setting the Storage Location (DTX-1800 and DTX-1200) ............. 2-2 Step 4: Setting Up a Job Folder ........................2-2 Step 5: Selecting a Cable ID Source ......................2-4 Certifying Twisted Pair Cabling ........................
  • Page 8 DTX Series CableAnalyzer Technical Reference Handbook Creating a List of Sequential IDs ........................ 2-23 About ANSI/TIA/EIA-606-A Cable IDs ......................2-25 Certifying Twisted Pair Cabling Setting the Reference ............................3-1 Testing Twisted Pair Patch Cords ........................3-2 Twisted Pair Test Settings ..........................3-3 Autotest on Twisted Pair Cabling ........................
  • Page 9 Contents Using the Tone Generator ..........................3-37 Testing Twisted Pair Through a PoE Device Enabling the AC Wire Map Test ........................4-1 Autotest Through a PoE Device ........................4-1 AC Wire Map Results ............................4-4 Running the AC Wire Map Test as a Single Test .................... 4-7 Certifying Coaxial Cabling Setting the Reference ............................
  • Page 10 DTX Series CableAnalyzer Technical Reference Handbook Running the HDTDX Analyzer ........................6-7 Recognizing Faults on HDTDX Plots ......................6-9 The HDTDR Analyzer ............................6-10 Running the HDTDR Analyzer ........................6-10 Recognizing Faults on HDTDR Plots ......................6-10 Using the OTDR Module Overview of Features ............................
  • Page 11 Contents OTDR Details Screens ..........................7-42 Bi-Directional Testing ............................7-47 Using Manual OTDR Mode ..........................7-48 Certifying Fiber Optic Cabling Overview of Features ............................8-1 Safety Information ............................8-2 Installing and Removing Fiber Modules ......................8-4 Installing the Connector Adapter ........................8-6 Verifying Operation ............................
  • Page 12 DTX Series CableAnalyzer Technical Reference Handbook Loopback Mode Autotest Results ......................8-36 Autotest in Far End Source Mode ........................8-38 Setting the Reference in Far End Source Mode ..................8-40 Testing Your Test Reference Cords in Far End Source Mode ..............8-42 Running the Autotest in Far End Source Mode ..................
  • Page 13 Contents Software Requirements ........................... 11-1 Installing and Removing the Network Module and Optional SFP Module ..........11-2 Verifying Network Connectivity ........................11-4 Network Connectivity Test Settings ......................11-4 Entering Ping Addresses ..........................11-4 Running the Connectivity Test ........................11-6 About Testing for PoE (Power Over Ethernet) ..................11-6 Pinging Network Devices ..........................
  • Page 14 Creating a New Folder ..........................13-4 Changing Folders ............................13-4 Deleting Folders ............................13-5 Viewing and Managing Saved Results ......................13-6 Moving or Copying Results to a Memory Card (DTX-1800, DTX-1200) ............ 13-7 Deleting Results ............................13-7 Renaming Results ............................13-8 Sorting Results ............................. 13-8 Formatting a Memory Card (DTX-1800, DTX-1200) or Internal Memory ............
  • Page 15 Contents Replacing the Battery Pack ......................... 14-7 Replacing the Internal Battery ........................14-7 Fiber and OTDR Module Maintenance ...................... 14-7 Storage ................................14-8 Options and Accessories ..........................14-8 If Something Seems Wrong ..........................14-9 Specifications ..............................14-11 Feature Comparison of DTX Models ......................14-11 Environmental and Regulatory Specifications ..................
  • Page 16 DTX Series CableAnalyzer Technical Reference Handbook Visual Fault Locator Specifications ......................14-35 Power ................................14-36 Electromagnetic Compatibility ........................14-36 Input Ratings ............................... 14-36 Certification and Compliance ........................14-36 CSA Standards ............................. 14-37 Safety ................................14-37 Laser Classification and Safety for DTX-MFM2, DTX-GFM2, and DTX-SFM2 Fiber Modules ....14-37 Regulatory Information ..........................
  • Page 17 Contents Fiber Test Method Names Loss Test Methods for Fiber Cabling Introduction ..............................C-1 1 Jumper Method ............................. C-2 2 Jumper Method ............................. C-4 3 Jumper Method ............................. C-6 Modified 1 Jumper Method ..........................C-8 Index xiii...
  • Page 18 DTX Series CableAnalyzer Technical Reference Handbook...
  • Page 19: List Of Figures

    List of Figures Figure Page 1-1. Tester Front Panel Features..........................1-10 1-2. Tester Side and Top Panel Features ......................... 1-12 1-3. Smart Remote Features ............................ 1-14 1-4. Charging and Removing the Battery ......................1-17 1-5. Remote Battery Status Shown After Power-up....................1-18 1-6.
  • Page 20 Testing a Fiber Link in Smart Remote Mode (1 Jumper Method) ..............2-20 2-13. Summary Results Screen for an Autotest on Fiber ..................2-21 3-1. Twisted Pair Reference Connections for the DTX-1800, DTX-1200, and DTX-LT........... 3-2 3-2. Twisted Pair Reference Connections for the DTX-ELT and DTX-CLT.............. 3-2 3-3.
  • Page 21 List of Figures Figure Page 3-21. Return Loss Plot..............................3-27 3-22. Far-End Crosstalk (FEXT) ........................... 3-29 3-23. ACR-F Plot................................3-31 3-24. Causes and Effects of Noise ..........................3-34 3-25. Impulse Noise Test Results..........................3-36 3-26. Using the Tone Generator..........................3-38 4-1.
  • Page 22 DTX Series CableAnalyzer Technical Reference Handbook Figure Page 7-8. Launch/Receive Events in the Event Table ....................... 7-15 7-9. OTDR Trace with Launch Compensation Enabled................... 7-16 7-10. OTDR Port Connection Quality Gauge......................7-21 7-11. Progress Screen for Extended Test Times......................7-22 7-12.
  • Page 23 List of Figures Figure Page 8-15. Testing the Test Reference Cords in Loopback Mode ..................8-33 8-16. Testing a Fiber in Loopback Mode (1 Jumper Method) ................. 8-35 8-17. Loopback Mode Summary and Loss Result Screens (single-directional)............8-36 8-18. Equipment for Testing in Far End Source Mode (1 Jumper Method) ............8-39 8-19.
  • Page 24 DTX Series CableAnalyzer Technical Reference Handbook Figure Page 11-8. Identifying Links with Optional LinkRunner Cable ID Locators ..............11-16 13-1. Memory Status Screen Features ........................13-2 13-2. View Results Screen............................13-6 14-1. Twisted Pair Connections for Updating the Software with a PC ..............14-3 14-2.
  • Page 25: List Of Tables

    List of Tables Table Page 1-1. International Electrical Symbols ......................1-8 3-1. Twisted Pair Test Settings ........................3-3 3-2. dB Rules for Permanent Link Test Limits ........................3-14 3-3. dB Rules for Channel Test Limits ..........................3-14 3-4. Smart Remote Requirements for Twisted Pair Single Tests..............3-33 5-1.
  • Page 26 DTX Series CableAnalyzer Technical Reference Handbook Table Page 11-1. Network Connectivity Test Settings ...................... 11-5 11-2. Diagnosing Low-Level Network Problems .................... 11-17 12-1. Settings for Custom OTDR Limits ......................12-8 14-1. Troubleshooting the Tester........................14-9 14-2. Level IV Accuracy Performance Parameters per IEC Guidelines*............14-16 14-3.
  • Page 27: Overview Of Features

    • The DTX-1800 certifies twisted pair and coaxial cabling • The DTX-1800 and DTX-1200 store up to 4,000 Autotest to Class F limits (600 MHz) in less than 25 seconds and results, including graphical data, on a 128 MB Category 6 cabling in less than 10 seconds. The removable memory card.
  • Page 28: Registration

    Fluke Networks products and provides service. articles on cable testing techniques and technology. To The DTX-1800 also supports the optional DTX 10 Gig kit. access the Knowledge Base, log on to This lets you test and certify Cat 6 and Augmented Cat 6 www.flukenetworks.com, then click Customer Support >...
  • Page 29: Contacting Fluke Networks

    Getting Acquainted Contacting Fluke Networks Contacting Fluke Networks Note If you contact Fluke Networks about your tester, have the tester's software and hardware version numbers available if possible. www.flukenetworks.com support@flukenetworks.com +1-425-446-4519 • Australia: 61 (2) 8850-3333 or 61 (3) 9329 0244 •...
  • Page 30: Unpacking

    DTX-1800 • Two carrying straps • DTX-1800 CableAnalyzer with lithium-ion battery pack • USB cable for PC communications • DTX-1800 Smart Remote with lithium-ion battery pack • Two ac adapters • Two Cat 6A/Class E permanent link adapters • •...
  • Page 31: Dtx-Elt

    Getting Acquainted Unpacking • USB cable for PC communications DTX-CLT • • DTX-CLT CableAnalyzer with lithium-ion battery pack Two ac adapters • • DTX-CLT SmartRemote with lithium-ion battery pack DTX Series CableAnalyzer Users Manual • Two 6A/Class E channel adapters •...
  • Page 32: Dtx-Clt Certifiber

    DTX Series CableAnalyzer Technical Reference Handbook • DTX-CLT CertiFiber DTX-CLT CertiFiber Getting Started Guide • DTX-CLT CertiFiber Product Manuals CD DTX-CertiFiber-M Multimode Kit • LinkWare Software CD • DTX-CLT CertiFiber with lithium-ion battery pack • DTX-CertiFiber-MS Multimode/Singlemode Kit DTX-CLT CertiFiber SmartRemote with lithium-ion battery pack •...
  • Page 33: Dtx-Mfm2 Multimode Fiber Modules (Optional)

    50 /125 µm fiber. Many are available as • DTX-MFM2/GFM2/SFM2 Fiber Modules Users Manual accessories from Fluke Networks. DTX-GFM2 Multimode Fiber Modules (optional) DTX Compact OTDR Optical Time Domain • Two DTX-GFM2 Fiber Modules for testing at 850 nm...
  • Page 34: Safety Information

    Do not modify the tester. Warning: Risk of fire, electric shock, or personal injury. • Use only ac adapters approved by Fluke Networks for use with the DTX tester to charge the battery Warning or Caution: Risk of damage or or power the tester.
  • Page 35 Memory cards may be lost, damaged, or adapter’s jack. Inserting other connectors, such as accidentally formatted, resulting in data loss. RJ11 (telephone) connectors, can permanently Therefore, Fluke Networks recommends saving no damage the jack. more than one day’s worth of test results on a •...
  • Page 36: Basic Features

    DTX Series CableAnalyzer Technical Reference Handbook Basic Features Physical Features Figures 1-1 and 1-2 describe the tester’s features. Figure The following sections introduce the tester's basic features. 1-3 describes the smart remote’s features. EXIT TEST ENTER SAVE AUTO TEST SINGLE SETUP TEST SPECIAL...
  • Page 37 Getting Acquainted Basic Features LCD display with backlight and adjustable brightness. : Press to switch the backlight between bright and dim settings. Hold for 1 second to adjust the display : Starts the currently selected test. Activates the tone contrast. generator for twisted pair cabling if no smart remote is B C A D detected.
  • Page 38 DTX Series CableAnalyzer Technical Reference Handbook amd33f.eps Figure 1-2. Tester Side and Top Panel Features 1-12...
  • Page 39 • Green: Battery is charged. • DTX-1800 and DTX-1200: Slot and activity LED for the Flashing red: Charge timeout. The battery failed to removable memory card. To eject the card, push in then reach full charge within 6 hours. See “If Something release the card.
  • Page 40 DTX Series CableAnalyzer Technical Reference Handbook amd30f.eps Figure 1-3. Smart Remote Features 1-14...
  • Page 41 Getting Acquainted Basic Features Caution Low battery LED lights when the battery is low. All the LEDs flash if the smart remote detects : Starts the test currently selected on the main unit. excessive voltage on the cable. Unplug the cable Activates the tone generator for twisted pair cabling if no main tester is detected.
  • Page 42: Changing The Language

    DTX Series CableAnalyzer Technical Reference Handbook Changing the Language Charging the Battery To charge the battery, connect the ac adapter to the To change the tester’s language: battery pack, as shown in Figure 1-4. Turn the rotary switch to SETUP. You may charge the battery when it is attached or detached from the tester.
  • Page 43 Getting Acquainted Basic Features amd124f.eps Figure 1-4. Charging and Removing the Battery 1-17...
  • Page 44 DTX Series CableAnalyzer Technical Reference Handbook Checking the Battery Status The Time Remaining value tells you approximately how long the main tester’s battery will last based on the last The battery status icon ( ) near the upper-right corner of 3 minutes of use.
  • Page 45 Getting Acquainted Basic Features amd102f.eps Figure 1-6. Connections for Using the Battery Status Function 1-19...
  • Page 46: About Link Interface Adapters And Modules

    Cat 6. Optional coaxial adapters let you test coaxial cabling. For information on other adapter types, contact Fluke Networks or visit the Fluke Networks website. The adapter’s Autotest counters are helpful for gauging wear on the adapter’s jack or plug and for tracking the...
  • Page 47 Getting Acquainted Basic Features Modules provide optional testing capabilities. For example, the DTX-MFM2, DTX-GFM2, and DTX-SFM2 modules let you certify fiber optic cabling. The DTX-NSM module lets you verify network service. See Chapters 8 and 11 for details on these modules. EXIT TEST EXIT...
  • Page 48 DTX Series CableAnalyzer Technical Reference Handbook amd36f.eps Figure 1-8. Handling Guidelines for Permanent Link Adapters 1-22...
  • Page 49 The optional DTX-PLCAL automated calibration kit lets you calibrate your permanent link adapters to compensate for physical changes that occur over time to the adapter’s cable and other components. Contact Fluke Networks for more information. 1-23...
  • Page 50: Verifying Operation

    DTX Series CableAnalyzer Technical Reference Handbook Verifying Operation If fiber modules are installed in addition to twisted pair adapters, select Mainframe. The tester performs a basic self test when you turn it on. To run a more thorough self test for an acceptance test or as Press part of a routine equipment check: If the tester reports an error, refer to “If Something Seems...
  • Page 51: Checking The Hardware And Software Versions

    Basic Features Checking the Hardware and Software To determine if your tester needs a software update, visit the Fluke Networks website to see if an update is available. Versions See Chapter 14 for details on updating the tester's To see information about the tester’s hardware and software.
  • Page 52 DTX Series CableAnalyzer Technical Reference Handbook Outlet Configuration: The wire mapping used for testing twisted pair cabling. Press to check the memory status. Press to view the results of the previous test. If a copper adapter and a fiber module are installed, press to change the type of media you will test.
  • Page 53: Setting User Preferences

    Getting Acquainted Setting User Preferences Setting User Preferences Changing the Length Units Turn the rotary switch to SETUP, use The following sections describe how to change settings you highlight Instrument Settings; then press may want to adjust when you first start using the tester. Press to go to the tab with the Length Units selection.
  • Page 54: Adjusting The Display Contrast

    DTX Series CableAnalyzer Technical Reference Handbook Adjusting the Display Contrast To set the power down timer: Press and hold Turn the rotary switch to SETUP, use highlight Instrument Settings; then press for coarse adjustments and Fine Fine for fine adjustments. Press to go to the tab with the Power Down Time- Out setting;...
  • Page 55: Enabling Or Disabling The Beeper

    The DTX-1800 and DTX-1200 testers can also store up to 500 Press Format. Cat 6 Autotest results, including graphical data, on a 16 MB card. The testers can also use cards with higher capacity and secure digital (SD) memory cards.
  • Page 56: Creating Folders

    Technical Reference Handbook Creating Folders You can organize your test results by saving them in folders. To create a folder: DTX-1800, DTX-1200: Insert a memory card into the tester. Turn the rotary switch to SETUP. to highlight Instrument Settings; then press Press to highlight Current Folder;...
  • Page 57: Setting The Storage Location (Dtx-1800 And Dtx-1200)

    Options for Entering Cable IDs 1200) When you save a test, you enter a name for the test. At a To set the destination for saved results on a DTX-1800 or job site, you usually name each test with the identification DTX-1200 tester: code assigned to the link tested.
  • Page 58: Automatically Saving Results (Dtx-1800, Dtx-1200, Dtx-Lt, Dtx-Clt, Dtx-Clt Certifiber)

    DTX Series CableAnalyzer Technical Reference Handbook • Auto Sequence: Lets you select IDs from a list of Automatically Saving Results (DTX-1800, DTX- sequential IDs generated from a template in SETUP. 1200, DTX-LT, DTX-CLT, DTX-CLT CertiFiber) The horizontal, backbone, and campus templates...
  • Page 59: Saving Different Types Of Results In The One Record

    Getting Acquainted Using the Talk Mode Saving Different Types of Results in the One Using the Talk Mode Record The talk mode lets you talk to the person at the other end of a twisted pair or fiber link. Two-way communication over You can save results from different types of DTX modules in twisted pair requires one good wire pair.
  • Page 60: About Linkware And Linkware Stats Software

    Help on the LinkWare menu. ™ The LinkWare Cable Test Management software included Updates to LinkWare software are available on the Fluke with your tester lets you do the following: Networks website. • Upload DTX test results to PC. See page14-2.
  • Page 61: Preparing To Save Tests

    2-1 Turn the rotary switch to SETUP. Step 1: Checking the Memory Space Available 2-2 Use to highlight Instrument Settings; then press 1-1 DTX-1800, DTX-1200: Insert a memory card into the tester. 2-3 Press to go to the tab with the Operator Name 1-2 Turn the rotary switch to SPECIAL FUNCTIONS.
  • Page 62: Step 3: Setting The Storage Location (Dtx-1800 And Dtx-1200)

    Step 3: Setting the Storage Location (DTX-1800 and DTX-1200) 4-2 Turn the rotary switch to SETUP. To set the destination for saved results on a DTX-1800 or 4-3 Use to highlight Instrument Settings; then press DTX-1200 tester:...
  • Page 63 Tutorials on Setup and Test Procedures Preparing to Save Tests The characters available for use. To select a character to enter in the text box, use to highlight the character; then press . The character is entered to the left of the cursor. The text you are entering.
  • Page 64: Step 5: Selecting A Cable Id Source

    DTX Series CableAnalyzer Technical Reference Handbook Step 5: Selecting a Cable ID Source Certifying Twisted Pair Cabling Cable IDs are names you enter for tests you save. You can This tutorial familiarizes you with testing twisted pair select IDs from a pre-generated list, or enter them manually cabling by guiding you through the following tasks: after each test.
  • Page 65 Tutorials on Setup and Test Procedures Certifying Twisted Pair Cabling PASS TEST FAIL TALK TONE LOW BATTERY EXIT TEST ENTER SAVE AUTO SINGLE TEST TEST SETUP SPECIAL MONITOR FUNCTIONS TEST TALK TALK amd40f.eps Tester and smart remote with battery packs For testing channels: two channel adapters Note Memory card (optional)
  • Page 66: Step 1: Checking The Battery Status And Verifying Operation With Twisted Pair Adapters

    DTX Series CableAnalyzer Technical Reference Handbook Step 1: Checking the Battery Status and Verifying Operation with Twisted Pair Adapters You should check the tester and smart remote’s battery status and verify all equipment is in good working order before going to the job site. 1-1 Connect the main and remote testers using one of the Permanent link methods shown in Figure 2-3.
  • Page 67: Step 2: Selecting A Test Limit, Cable Type, And Outlet Configuration

    Tutorials on Setup and Test Procedures Certifying Twisted Pair Cabling Step 2: Selecting a Test Limit, Cable Type, and 2-6 The first Test Limit screen shows the most recently-used limits. To see the list of test limit groups, press Outlet Configuration More.
  • Page 68: Step 3: Running The Autotest

    DTX Series CableAnalyzer Technical Reference Handbook Step 3: Running the Autotest 3-1 Attach the correct adapters to the tester and smart remote. 3-2 Turn on the tester and smart remote; then connect them to the cabling. Figures 2-4 and 2-5 show connections for permanent link and channel installations.
  • Page 69 Tutorials on Setup and Test Procedures Certifying Twisted Pair Cabling Horizontal cabling Optional consolidation point Work area Patch panel Wall outlet Start permanent permanent link link PASS TEST FAIL TALK TONE Tester with permanent Smart remote with LOW BATTERY link adapter permanent link adapter EXIT TEST...
  • Page 70 DTX Series CableAnalyzer Technical Reference Handbook Horizontal cabling Hub or switch Optional consolidation point Patch cord from hub or Work area switch Patch Wall panels outlet Start Patch channel cord channel from PC PASS TEST FAIL TALK TONE LOW BATTERY Tester with Smart remote with EXIT...
  • Page 71: Step 4: Viewing The Autotest Results

    Tutorials on Setup and Test Procedures Certifying Twisted Pair Cabling Step 4: Viewing the Autotest Results The Summary screen, shown in Figure 2-6, tells you if the test results met the selected test limit. This screen also shows a status for each measurement: : PASS : FAIL : The results are for informational purposes only.
  • Page 72: Step 5: Saving The Results

    DTX Series CableAnalyzer Technical Reference Handbook Step 5: Saving the Results Certifying Fiber Cabling 5-1 Press Note 5-2 Use the text editing screen to enter a name for the The fiber modules are not compatible with the results. See Figure Figure 2-1 on page 2-3 for details on DTX-ELT.
  • Page 73 Tutorials on Setup and Test Procedures Certifying Fiber Cabling amd46f.eps Tester and smart remote with fiber modules. Use Two singlemode adapters of the appropriate type DTX-MFM2 modules for testing multimode fiber. Use Two mandrels. Recommended when testing multimode DTX-GFM2 modules for testing multimode fiber for fiber with DTX-MFM2 modules.
  • Page 74: Step 1: Installing The Fiber Modules

    DTX Series CableAnalyzer Technical Reference Handbook Step 1: Installing the Fiber Modules Caution 1-1 Turn off the tester and smart remote. Leave the module bay covers in place when the fiber modules are not installed. 1-2 Remove the cover from the back of each unit and install a DTX-MFM2, DTX-GFM2, or DTX-SFM2 module in each Step 2: Checking the Battery Status and Verifying unit, as shown in Figure 2-8.
  • Page 75: Step 3: Selecting A Fiber Type And Test Limit

    Tutorials on Setup and Test Procedures Certifying Fiber Cabling 3-3 On the Fiber menu use to select Fiber Type. Fiber types are organized in groups: • Generic: Generic types of fiber • Custom: Fiber types entered by a DTX user •...
  • Page 76: Step 4: Configuring The Fiber Test

    DTX Series CableAnalyzer Technical Reference Handbook Step 4: Configuring the Fiber Test Step 5: Setting the Reference 4-1 Turn the rotary switch to SETUP. 5-1 Clean the connectors on the tester and the two test reference cords. 4-2 Use to highlight Fiber Loss; then press 5-2 Turn the rotary switch to SPECIAL FUNCTIONS.
  • Page 77 Tutorials on Setup and Test Procedures Certifying Fiber Cabling amd145f.eps Figure 2-10. Setting the Reference in Smart Remote Mode (1 Jumper Method) 2-17...
  • Page 78: Step 6: Testing The Test Reference Cords

    (The limits are different because fiber has more loss at Note 850 nm than at 1300 nm.) Fluke Networks recommends that you use this procedure to make sure your test reference cords Singlemode test reference cord: are good before you test each fiber link.
  • Page 79 Tutorials on Setup and Test Procedures Certifying Fiber Cabling amd175.eps Figure 2-11. Testing the Test Reference Cords in Smart Remote Mode 2-19...
  • Page 80: Step 7: Running The Test

    DTX Series CableAnalyzer Technical Reference Handbook Step 7: Running the Test 7-3 Turn the rotary switch to AUTOTEST. If a copper adapter is attached, verify that the media type is set to Fiber. 7-1 Clean the connectors on the cabling to be tested. Press Change Media to change it if necessary.
  • Page 81: Step 7: Viewing The Results

    Tutorials on Setup and Test Procedures Certifying Fiber Cabling Step 7: Viewing the Results The Summary screen, shown in Figure 2-13, tells you if the test results met the selected test limit. This screen also shows a status for each measurement: : PASS : FAIL : The results are for informational purposes only.
  • Page 82: Using The Auto Increment And Sequential Cable Id Features

    DTX Series CableAnalyzer Technical Reference Handbook Using the Auto Increment and Letters increment through the alphabet shown on the text editing screen: Sequential Cable ID Features 1A, 1B, 1C…1Y, 1Z, 1Ç…1Û, 1Ü, 1A The auto increment and sequential ID features generate To use the auto increment ID feature: cable IDs automatically.
  • Page 83: Creating A List Of Sequential Ids

    Tutorials on Setup and Test Procedures Using the Auto Increment and Sequential Cable ID Features Creating a List of Sequential IDs These IDs produce the following ID list: The tester includes templates for creating a list of ROOM A DROP#1 sequential IDs.
  • Page 84 DTX Series CableAnalyzer Technical Reference Handbook to highlight Auto Sequence, then press 13 Press to leave the sample list. If the tester shows an error message, check your Start to highlight Template, then press and Stop IDs for the problems listed below. 14 Press when you are done setting up the list.
  • Page 85: About Ansi/Tia/Eia-606-A Cable Ids

    Tutorials on Setup and Test Procedures Using the Auto Increment and Sequential Cable ID Features To use an ID from the auto sequence list: Horizontal Link Identifier Horizontal links run between telecommunications closets Verify that the Cable ID Source in SETUP is set to Auto and work areas.
  • Page 86 DTX Series CableAnalyzer Technical Reference Handbook Campus Cable Identifier Campus cables are backbone cables that run between buildings. Format: [b1-f s1]/[b2-fs2]-n.d Example: LBRY-01A/AUD-01A-5.16 The cable tested is in the backbone cable that runs between the library (LBRY), floor 1, telecom room A and the auditorium (AUD), floor 1, telecom room A.
  • Page 87: Setting The Reference

    Chapter 3: Certifying Twisted Pair Cabling Setting the Reference Attach permanent link and channel adapters and make the connections shown in Figure 3-1. The reference procedure sets a baseline for insertion loss, ACR-F, and dc resistance measurements. For the DTX-ELT and DTX-CLT, which do not include permanent link adapters, use the reference module Run the tester’s reference procedure at the following times: included to connect the main and remote testers, as...
  • Page 88: Testing Twisted Pair Patch Cords

    Figure 3-1. Twisted Pair Reference Connections for the a network. DTX-1800, DTX-1200, and DTX-LT Patch cord testing requires the optional DTX-PCU6S Patch Cord Adapter Set. Contact Fluke Networks or visit the Fluke Networks website for more information. Note The DTX-PCU6S Patch Cord Adapter Set is not...
  • Page 89: Twisted Pair Test Settings

    Certifying Twisted Pair Cabling Twisted Pair Test Settings Twisted Pair Test Settings To access the settings, turn the rotary switch to SETUP, use to highlight Twisted Pair; then press Table 3-1 describes the settings that apply to twisted pair cabling tests. Table 3-1.
  • Page 90 DTX Series CableAnalyzer Technical Reference Handbook Ethernet and M12 T568A T568B USOC Single-Pair Two-Pair USOC Two-Pair Ethernet and M12 Two-Pair Crossed ATM/TP-PMD ATM/TP-PMD Token Ring Straight Crossed Crossover 1000BASE-T Crossover Rollover amd180.eps Figure 3-3. Outlet Configurations...
  • Page 91 You should also set the reference every 30 days. See “Setting the Reference” on page 3-1. SETUP > Instrument Cable ID Source, Current Folder, Result Storage Location (DTX-1800, DTX-1200), Operator, Site, Settings Company, and Auto Save Results setting. See “Preparing to Save Tests” on page 2-1 and Settings for saving tests “Automatically Saving Results”...
  • Page 92: Autotest On Twisted Pair Cabling

    DTX Series CableAnalyzer Technical Reference Handbook Autotest on Twisted Pair Cabling To run the Autotest on twisted pair cabling: Verify that the settings listed in Table 3-1 are Figure 3-4 shows the equipment needed for certifying appropriate. twisted pair cabling. Attach adapters appropriate for the job to the tester and the smart remote.
  • Page 93 Certifying Twisted Pair Cabling Autotest on Twisted Pair Cabling Horizontal cabling Optional consolidation point Work area Patch panel Wall outlet Start permanent permanent link link PASS TEST FAIL TALK TONE Tester with permanent Smart remote with LOW BATTERY link adapter permanent link adapter EXIT TEST...
  • Page 94 DTX Series CableAnalyzer Technical Reference Handbook Horizontal cabling Hub or switch Optional consolidation point Patch cord from hub or Work area switch Patch Wall panels outlet Start Patch channel cord channel from PC PASS TEST FAIL TALK TONE LOW BATTERY Tester with Smart remote with EXIT...
  • Page 95: Twisted Pair Autotest Results

    Certifying Twisted Pair Cabling Twisted Pair Autotest Results • Twisted Pair Autotest Results Return loss • ACR-N (attenuation to crosstalk ratio at the near end) The tests listed below apply to twisted pair cabling. and ACR-N at the smart remote Note •...
  • Page 96 DTX Series CableAnalyzer Technical Reference Handbook PASS: All parameters are within limits. FAIL: One or more parameters exceed the limit. PASS*/FAIL*: One or more parameters are within the tester’s accuracy uncertainty range, and the “*” notation is required by the selected test standard.
  • Page 97: Automatic Diagnostics

    Certifying Twisted Pair Cabling Twisted Pair Autotest Results Automatic Diagnostics A failed test may produce more than one diagnostic screen. ADBC In this case, press to see additional If an Autotest fails, press Fault Info for diagnostic screens. information about the failure. The diagnostic screens show Figure 3-8 shows examples of diagnostic screens.
  • Page 98: Pass*/Fail* Results

    DTX Series CableAnalyzer Technical Reference Handbook PASS*/FAIL* Results A PASS* may be considered a passing result. A FAIL* should be considered a failure. A result marked with an asterisk means that measurements are in the tester’s accuracy uncertainty range (Figure 3-9) and the “*”...
  • Page 99: About Db Rules

    If insertion loss is less than 12 dB at 450 MHz, a relaxed 3 dB Rule NEXT limit is used. See the Knowledge Base on the Fluke Networks website for details. This rule applies to all test limits where return loss is measured.
  • Page 100 DTX Series CableAnalyzer Technical Reference Handbook 70 dB Rule Table 3-3. dB Rules for Channel Test Limits This rule applies to any channel or permanent link test limit Class for Channel Test Limit where ACR-F is measured. Test At frequencies where FEXT is less than 70 dB, ACR-F cannot NEXT fail.
  • Page 101: Wire Map

    Certifying Twisted Pair Cabling Twisted Pair Autotest Results Wire Map examples of wire map screens. For information on AC wire map screens, see Chapter 4. Wire map results show the connections between the main Tip: The wire map test in Single Test mode features a and remote testers.
  • Page 102 DTX Series CableAnalyzer Technical Reference Handbook amd82i.bmp amd83i.bmp amd84i.bmp Split pair Reversed pair Crossed pairs A wire in the 3,6 pair is crossed with a Wires 1 and 2 are crossed. Pairs 1,2 and 3,6 are crossed. wire in the 4,5 pair. Figure 3-10.
  • Page 103: Resistance

    Certifying Twisted Pair Cabling Twisted Pair Autotest Results Resistance Resistance results show the dc loop resistance for each cable pair. The smart remote shorts the end of each pair to create the loops. A pair’s resistance depends on the integrity of the contacts in the connector, the length of the pair, and its wire gauge.
  • Page 104: Length

    This is the 10 % rule Length for length, as given in the ANSI/TIA standard. See the Fluke Networks Knowledge base for details. Length results show the length of each cable pair. The PASS/FAIL result is assigned based on the shortest measured length.
  • Page 105: Propagation Delay And Delay Skew

    Certifying Twisted Pair Cabling Twisted Pair Autotest Results Propagation Delay and Delay Skew Delay skews are the differences in propagation delays between the shortest delay and the delays of the other Propagation delay is the time taken for a test pulse to travel cable pairs.
  • Page 106: Insertion Loss

    DTX Series CableAnalyzer Technical Reference Handbook Insertion Loss At higher frequencies, signals tend to travel only near the surface of a conductor. This “skin effect”, along with the Note cabling’s inductance and capacitance, cause insertion loss to Insertion loss is also known as attenuation. increase with frequency.
  • Page 107 Certifying Twisted Pair Cabling Twisted Pair Autotest Results The overall insertion loss result. “PASS*/FAIL* Results” on page 3-12 describes results marked with an asterisk. Horizontal and vertical magnification levels for the plot. To change the magnification, press Change To Zoom; then to zoom horizontally or vertically.
  • Page 108: Next (Near-End Crosstalk)

    DTX Series CableAnalyzer Technical Reference Handbook NEXT (Near-End Crosstalk) For NEXT failures, the tester's diagnostic screens ( Fault Info) may show more than one possible cause for the NEXT results show the crosstalk attenuation between cable failure. In this case, you can use the HDTDX analyzer results pairs.
  • Page 109 Certifying Twisted Pair Cabling Twisted Pair Autotest Results The location of the NEXT results. Press to switch between the tester and smart remote. The overall NEXT result. “PASS*/FAIL* Results” on page 3-12 describes results marked with an asterisk. Horizontal and vertical magnification levels for the plot. To change the magnification, press Change To Zoom;...
  • Page 110: Acr-N (Attenuation To Crosstalk Ratio At The Near End)

    DTX Series CableAnalyzer Technical Reference Handbook ACR-N (Attenuation to Crosstalk Ratio at the between NEXT and attenuation (insertion loss). Higher Near End) ACR-N values mean received signals are much larger than crosstalk signals. Higher ACR-N values correspond to better Note cabling performance.
  • Page 111 Certifying Twisted Pair Cabling Twisted Pair Autotest Results The location of the ACR-N results. Press to switch between the tester and smart remote. The overall ACR-N result. “PASS*/FAIL* Results” on page 3-12 describes results marked with an asterisk. Horizontal and vertical magnification levels for the plot. To change the magnification, press Change To Zoom;...
  • Page 112: Return Loss

    DTX Series CableAnalyzer Technical Reference Handbook Return Loss interpret strong reflected signals as incoming data, resulting in data errors. Return loss is the difference between the power of a A return loss plot indicates how well a cable’s impedance transmitted signal and the power of the signals reflected matches its rated impedance over a range of frequencies.
  • Page 113 Certifying Twisted Pair Cabling Twisted Pair Autotest Results The location of the return loss results. Press to switch between the tester and smart remote. The overall return loss result. “PASS*/FAIL* Results” on page 3-12 describes results marked with an asterisk. Horizontal and vertical magnification levels for the plot.
  • Page 114: Ps Next (Power Sum Near End Crosstalk)

    DTX Series CableAnalyzer Technical Reference Handbook PS NEXT (Power Sum Near End Crosstalk) PS ACR-N is the difference (in dB) between each wire pair’s attenuation (insertion loss) and the combined crosstalk PS NEXT results show how much each cable pair is affected received from the other pairs.
  • Page 115 Certifying Twisted Pair Cabling Twisted Pair Autotest Results Signal source Crosstalk farther from the input Crosstalk near the input Far-end crosstalk amd94f.eps Figure 3-22. Far-End Crosstalk (FEXT) Because of attenuation, FEXT on longer cables is less than on all four wire pairs, so ACR-F is a critical parameter for FEXT on shorter cables of the same type.
  • Page 116: Ps Acr-F Test

    DTX Series CableAnalyzer Technical Reference Handbook NEXT and ACR-F performance tends to be similar in cable, PS ACR-F Test but may differ greatly in connecting hardware. Some Note connectors achieve good NEXT performance by balancing PS ACR-F is also known as PSELFEXT (power sum the inductive and capacitive currents that cause crosstalk.
  • Page 117 Certifying Twisted Pair Cabling Twisted Pair Autotest Results The location of the ACR-F results. Press to switch between the tester and smart remote. The overall ACR-F result. “PASS*/FAIL* Results” on page 3-12 describes results marked with an asterisk. Horizontal and vertical magnification levels for the plot. To change the magnification, press Change To Zoom;...
  • Page 118: Running Single Tests

    DTX Series CableAnalyzer Technical Reference Handbook Running Single Tests Single tests use the selected test limit to produce a PASS/ FAIL result for the test. Each single test also produces results The tester’s single test mode (SINGLE TEST on the rotary for other measurements.
  • Page 119 Certifying Twisted Pair Cabling Running Single Tests Table 3-4. Smart Remote Requirements for Twisted Pair Single Tests Test Smart Remote Requirements* HDTDX analyzer Recommended. Without a smart remote, results for short cables may be unreliable. HDTDR analyzer Optional. Without a smart remote, the plot shows large reflections at the end of the cabling. Recommended.
  • Page 120: Monitoring Impulse Noise

    DTX Series CableAnalyzer Technical Reference Handbook Monitoring Impulse Noise Noise distorts the shape of digital signals, as shown in Figure 3-24. Too much noise can cause transmission errors, Impulse noise is electrical noise generated by fluorescent resulting in poor network performance. lights, electric motors, electric heaters and air conditioners, The impulse noise test lets you monitor noise on inactive photocopiers, refrigerators, microwave ovens, and other...
  • Page 121 Stop; then use to change the value. Press resume testing. Tip: Fluke Networks recommends a noise threshold of 30 mV with an average pulse rate below 0.01/sec for testing 1000BASE-T (Gigabit Ethernet) cabling. To stop the test at any time, press...
  • Page 122 DTX Series CableAnalyzer Technical Reference Handbook The average number of noise hits per second. The highest number of noise hits per second since the start of the test. The time shows when the peak was recorded. The minimum level of noise considered to be a noise hit. To change the threshold, press Stop;...
  • Page 123: Using The Tone Generator

    Note ™ a tone probe such as a Fluke Networks IntelliTone probe. The toner's signal may not be detectable along The tone probe converts the toner’s signal to audible tones...
  • Page 124 DTX Series CableAnalyzer Technical Reference Handbook Patch panel Tone probe, such as Volume control the Fluke Networks PASS TEST IntelliTone probe FAIL TALK TONE LOW BATTERY Tester or smart remote Press to start the toner TEST TALK amd96f.eps Figure 3-26. Using the Tone Generator...
  • Page 125: Enabling The Ac Wire Map Test

    Chapter 4: Testing Twisted Pair Through a PoE Device Note The AC wire map test lets you test links connected through midspan PoE (Power over Ethernet) devices. When you Always disable the AC Wire Map test when not enable this test, the tester uses AC signals instead of DC testing through a PoE device.
  • Page 126 DTX Series CableAnalyzer Technical Reference Handbook amd24f.eps Figure 4-1. Testing a Permanent Link Through a PoE Device...
  • Page 127 Testing Twisted Pair Through a PoE Device Autotest Through a PoE Device amd58f.eps Figure 4-2. Testing a Channel Through a PoE Device...
  • Page 128: Ac Wire Map Results

    DTX Series CableAnalyzer Technical Reference Handbook AC Wire Map Results When the tester detects multiple wire map faults or cannot map the cable wiring, it may not display the wire map AC wire map results are similar to the wire map results screen, but may show a diagnostics screen instead.
  • Page 129 Testing Twisted Pair Through a PoE Device AC Wire Map Results amd52.bmp amd50.bmp amd45.bmp Open on pair 1,2. The open is 21.7 m Short between pairs 1,2 and 3,6. The Split pair on pairs 1,2 and 3,6. The from the tester and 61.4 m from the short is 1.7 m from the tester.
  • Page 130 DTX Series CableAnalyzer Technical Reference Handbook amd44.bmp amd43.bmp The tester detected one or more wire map faults on pairs The tester detected multiple, complex faults on the 1,2 and 3,6 about 4 ft from the tester. The distance to cabling. faults may not be given for some types of complex faults.
  • Page 131: Running The Ac Wire Map Test As A Single Test

    Testing Twisted Pair Through a PoE Device Running the AC Wire Map Test as a Single Test Running the AC Wire Map Test as a Single Test To run the AC Wire Map test as a single test, enable the test in SETUP, turn the rotary switch to SINGLE TEST;...
  • Page 132 DTX Series CableAnalyzer Technical Reference Handbook...
  • Page 133: Setting The Reference

    Chapter 5: Certifying Coaxial Cabling Certifying coaxial cabling requires the optional DTX-COAX To set the reference, do the following: coaxial adapters. Note Note Turn on the tester and let it sit for 1 minute before setting the reference. Set the reference only after The DTX-COAX adapters are not compatible with the the testers have reached an ambient temperature DTX-CLT.
  • Page 134: Verifying Operation

    DTX Series CableAnalyzer Technical Reference Handbook Verifying Operation Connect the main and remote testers as shown for setting the reference in Figure 5-1. Turn the rotary switch to SPECIAL FUNCTIONS. to highlight Self Test; then press Press If the tester reports an error, refer to “If Something Seems Wrong”...
  • Page 135 Certifying Coaxial Cabling Coaxial Test Settings Table 5-1. Coaxial Cable Test Settings Setting Description Select the appropriate test limit for the job. SETUP > Coaxial > Test Limit Select a cable type appropriate for the type you will test. SETUP > Coaxial >...
  • Page 136 You should also set the reference every 30 days. See “Setting the Reference” on page 5-1. Set Reference Cable ID Source, Current Folder, Result Storage Location (DTX-1800, DTX-1200), Operator, Site, Settings for saving tests and Company. See “Preparing to Save Tests” in on page 2-1.
  • Page 137: Autotest On Coaxial Cabling

    Certifying Coaxial Cabling Autotest on Coaxial Cabling Autotest on Coaxial Cabling Figure 5-2 shows the equipment needed for certifying coaxial cabling. PASS TEST FAIL TALK TONE LOW BATTERY EXIT TEST ENTER SAVE AUTO TEST SINGLE SETUP TEST SPECIAL MONITOR FUNCTIONS TEST TALK TALK...
  • Page 138 DTX Series CableAnalyzer Technical Reference Handbook To run the Autotest on coaxial cabling: Press on the tester or smart remote. To stop the test at any time, press Verify that the settings listed in Table 5-1 are The tester shows the Autotest Summary screen when appropriate.
  • Page 139 Certifying Coaxial Cabling Autotest on Coaxial Cabling PASS TEST FAIL TALK TONE LOW BATTERY EXIT TEST ENTER SAVE AUTO SINGLE TEST SETUP TEST SPECIAL MONITOR FUNCTIONS TEST TALK TALK amd139.eps Figure 5-3. Coaxial Network Cabling Test Connections...
  • Page 140 DTX Series CableAnalyzer Technical Reference Handbook Connection to coaxial cabling Wall outlet Female to female Female to female F-connector adapter F-connector adapter PASS TEST FAIL TALK TONE LOW BATTERY Tester with coaxial Smart remote with EXIT TEST adapter coaxial adapter ENTER SAVE AUTO...
  • Page 141: Coaxial Autotest Results

    Certifying Coaxial Cabling Coaxial Autotest Results Coaxial Autotest Results Note The Autotest runs some or all of the tests shown in Figure 5-5 describes the Autotest Summary screen, which Figure 5-5, depending on the selected test limit. lists the tests that apply to coaxial cabling. PASS: All parameters are within limits.
  • Page 142: Hdtdr Analyzer

    DTX Series CableAnalyzer Technical Reference Handbook HDTDR Analyzer Characteristic impedance is the impedance a cable would have if the cable were infinitely long. Good cabling has ™ The HDTDR (High-Definition Time Domain Reflectometry) relatively constant characteristic impedance throughout the analyzer plots the locations and magnitudes of reflections cable and connectors.
  • Page 143: Insertion Loss

    Certifying Coaxial Cabling Running Single Tests Insertion Loss Running Single Tests Insertion loss is the loss of signal strength over the cabling. The tester’s single test mode (SINGLE TEST on the rotary Insertion loss is caused by the resistance of the copper wire switch) lets you run individual tests for isolating cabling and connecting hardware and by leakage of electrical failures and quickly testing repairs.
  • Page 144 DTX Series CableAnalyzer Technical Reference Handbook Table 5-2. Smart Remote Requirements for Coaxial Single Tests Test Smart Remote Requirements* HDTDR analyzer Optional. Without a smart remote, the plot shows large reflections at the end of the cabling. Resistance Smart remote or terminator required for loop resistance measurement. Length Not required.
  • Page 145: Using The Automatic Diagnostics

    • information about the location and likely cause of the fault. Keep the tester’s software current. The latest software is available on the Fluke Networks website. See page 14-2 for details on installing updates. • Set the reference for the twisted pair adapters every 30 days.
  • Page 146: Common Causes Of Copper Cabling Failures

    DTX Series CableAnalyzer Technical Reference Handbook Common Causes of Copper Cabling Failures Table 6-1 describes common causes of test failures on twisted pair and coaxial cabling. Table 6-1. Diagnosing Twisted Pair Test Failures Wire Map: open • Wires connected to wrong pins at connector or Tip: The wire map test in Single Test mode features a punchdown blocks scanning function that runs the wire map test...
  • Page 147 Diagnosing Copper Cabling Faults Common Causes of Copper Cabling Failures Table 6-1. Diagnosing Twisted Pair Test Failures (cont.) Wire Map: short • • Damaged connector Improper connector termination • • Damaged cable Wrong application for cable • Conductive material stuck between pins at connector. “Bad patch cord”...
  • Page 148 If the length of the shortest pair does not exceed the limit by 10 %, then the length test passes even if other pairs exceed the limit. This is the 10 % rule for length, as given in the ANSI/TIA standard. See the Fluke Networks Knowledge base for details.
  • Page 149 Diagnosing Copper Cabling Faults Common Causes of Copper Cabling Failures Table 6-1. Diagnosing Twisted Pair Test Failures (cont.) Return loss gives FAIL, FAIL*, or PASS* result • Patch cord or cable impedance not 100 Ω • Poorly matched plug and jack (6A/Class E applications) •...
  • Page 150 DTX Series CableAnalyzer Technical Reference Handbook Table 6-1. Diagnosing Twisted Pair Test Failures (cont.) NEXT, PS NEXT, ACR-F, PS ACR-F gives FAIL, FAIL*, or PASS* result • Excessive untwisting of pairs at connector Note • Fixing NEXT problems usually corrects ACR-F Poor quality patch cords problems.
  • Page 151: The Hdtdx Analyzer

    Diagnosing Copper Cabling Faults The HDTDX Analyzer The HDTDX Analyzer Turn on the smart remote; then connect the tester and remote to the cabling. ™ The HDTDX (High-Definition Time Domain Crosstalk) Turn the rotary switch to SINGLE TEST, select HDTDX analyzer plots the locations and magnitudes of crosstalk on Analyzer;...
  • Page 152 DTX Series CableAnalyzer Technical Reference Handbook Horizontal and vertical magnification levels for the plot. In zoom mode, use zoom in or out at the cursor’s location. The distance to the end of the cabling. The cursor and the distance to the cursor from the tester.
  • Page 153: Recognizing Faults On Hdtdx Plots

    Diagnosing Copper Cabling Faults The HDTDX Analyzer Recognizing Faults on HDTDX Plots Figure 6-2 shows how some common faults appear on HDTDX plots. Bad section of cable Bad spool of cable Bad patch cord amd98f.eps A bad patch cord about 53 m from the tester. A spool of cable with poor NEXT performance.
  • Page 154: The Hdtdr Analyzer

    DTX Series CableAnalyzer Technical Reference Handbook The HDTDR Analyzer Turn on the smart remote; then connect the tester and remote to the cabling. ™ The HDTDR (High-Definition Time Domain Reflectometry) Turn the rotary switch to SINGLE TEST, select HDTDR analyzer plots the locations and magnitudes of reflections Analyzer;...
  • Page 155 Diagnosing Copper Cabling Faults The HDTDR Analyzer Horizontal and vertical magnification levels for the plot. In zoom mode, use zoom in or out at the cursor’s location. The distance to the end of the cabling. The cursor and the distance to the cursor from the tester.
  • Page 156 DTX Series CableAnalyzer Technical Reference Handbook amd100f.eps Figure 6-4. Interpreting HDTDR Plots 6-12...
  • Page 157 Diagnosing Copper Cabling Faults The HDTDR Analyzer Open on pair 1,2 near the smart remote. A positive A link with a section of cable that has higher impedance (120 Ω) than the rest of the cable. The bad section starts reflection indicates an increase in impedance.
  • Page 158 DTX Series CableAnalyzer Technical Reference Handbook 6-14...
  • Page 159: Overview Of Features

    Chapter 7: Using the OTDR Module • Note Displays OTDR results in summary format, as a table of events, or as an OTDR trace. PASS/FAIL results are based The DTX-OTDR module is not compatible with the on factory-installed limits or limits you specify. DTX-ELT, DTX-CLT, or DTX-CLT CertiFiber.
  • Page 160: Safety Information

    DTX Series CableAnalyzer Technical Reference Handbook Safety Information Caution To avoid damaging the tester or cables under test, Warning to avoid data loss, and to ensure maximum To avoid possible eye damage caused by accuracy of test results: hazardous radiation and to avoid possible fire, •...
  • Page 161 Using the OTDR Module Safety Information • • Avoid touching reflective surfaces (such as metal) Read the instructions for splice machines before using the OTDR to monitor splicing procedures. to the end of a fiber cable plugged into the OTDR The OTDR can interfere with the light injection when the OTDR is operating.
  • Page 162: Installing The Otdr Module

    DTX Series CableAnalyzer Technical Reference Handbook Installing the OTDR Module To install the module, refer to Figure 7-1 and do the following: Caution Turn off the tester. To avoid damaging the DTX mainframe or the Remove and discard the standard bail. OTDR module and to ensure proper operation: Install the bail included with the DTX Compact OTDR •...
  • Page 163 Using the OTDR Module Installing the OTDR Module SAVE AUTO TEST SINGLE SETUP TEST SPECIAL MONITOR FUNCTIONS TALK amd157f.eps Figure 7-1. Installing the OTDR Module...
  • Page 164: Using The Cradle

    Figure 7-2 shows how to use the cradle to stand the tester up The following software supports the DTX Compact OTDR on a flat surface when a DTX Compact OTDR module is module. Software upgrades are available on the Fluke attached. Networks website.
  • Page 165: Otdr Module Features

    Using the OTDR Module OTDR Module Features OTDR Module Features OTDR ports for singlemode (left) and multimode (right) fiber. The ports have removable SC connector adapters with protective caps. Visual fault locator (VFL) output with universal fiber connector and protective cap. The connector accepts 2.5 mm ferrules. Laser safety label (shown below): amd155f.eps Warning*...
  • Page 166: Verifying Operation

    The tester performs a basic self test on the mainframe and Inspect connectors with a fiber microscope, such as the OTDR module when you turn it on. To run the self test Fluke Networks FiberInspector Video Microscope before manually, select Self Test from the SPECIAL FUNCTIONS making connections.
  • Page 167 Using the OTDR Module Setting Up for OTDR Testing Always cover unused connectors with protective caps. Clean caps periodically with a swab or wipe and fiber optic solvent. Unlocking and removing the Cleaning the OTDR Ports adapter Use a dry, optical-grade wipe to clean the OTDR ports. Figure 7-4 shows how to remove the OTDR adapter to access the connector ferrule.
  • Page 168: Selecting Auto Or Manual Otdr Mode

    DTX Series CableAnalyzer Technical Reference Handbook Selecting Auto or Manual OTDR Mode Manual OTDR mode lets you select the settings to optimize the OTDR for displaying specific events. See “Using Manual Note OTDR Mode” on page 7-48 for details. Typically, you should use Auto OTDR mode when certifying cabling with the OTDR.
  • Page 169: About Launch And Receive Fibers

    OTDR traces and labels these events in the event table. It enabled during the test. also removes these fibers’ losses, lengths, and attenuation Fluke Networks recommends that you use launch and coefficients from overall OTDR results. The losses of the receive fibers. You should also use launch compensation to...
  • Page 170 DTX Series CableAnalyzer Technical Reference Handbook Types of Compensation On the Set Launch Method screen highlight the type of compensation you want to do. The tester offers three types of compensation: • Launch Only: Lets you compensate for a launch fiber. Clean the tester's OTDR port and launch fiber connectors.
  • Page 171 Using the OTDR Module Setting Up for OTDR Testing You should run the compensation function again if you Launch fiber end and change the launch or receive fiber used for a wavelength. receive fiber beginning Launch Viewing the Launch Compensation Settings fiber To view launch compensation settings that have been saved, turn the rotary switch to SPECIAL FUNCTIONS, select...
  • Page 172 DTX Series CableAnalyzer Technical Reference Handbook Launch fiber Launch fiber end Receive fiber beginning Cabling to be tested Tester with OTDR module Receive fiber amd66f.eps Figure 7-7. Launch + Fiber + Receive Compensation Connections 7-14...
  • Page 173 Using the OTDR Module Setting Up for OTDR Testing Launch/receive event, indicated by the launch/receive event icon shown for Launch + Receive compensation. Press View Trace to see the trace used for the launch compensation settings. If the launch or receive event is misidentified in the event table, use to select the correct event, then use the softkeys to remove or move the launch or receive event assignments.
  • Page 174 DTX Series CableAnalyzer Technical Reference Handbook Launch fiber Receive fiber length length Beginning of End of receive fiber launch fiber Measurement is relative to the end of the launch fiber amd68f.eps Figure 7-9. OTDR Trace with Launch Compensation Enabled 7-16...
  • Page 175 Using the OTDR Module Setting Up for OTDR Testing • Manually Selecting the Launch and Receive Events For Launch + Receive compensation, highlight the event that is the end of the launch fiber and the If necessary, you can manually select the launch and receive beginning of the receive fiber;...
  • Page 176: Settings For Otdr Tests

    DTX Series CableAnalyzer Technical Reference Handbook Settings for OTDR Tests To see the settings used for an OTDR test: On the OTDR Results screen, press View Events. Table 7-1 describes the settings that apply to OTDR tests. To access the settings (except for job settings), turn the On the Event Table screen, press View Details.
  • Page 177 Using the OTDR Module Setting Up for OTDR Testing Table 7-1. OTDR Test Settings (cont.) Setting Description Fiber Characteristics When Fiber Characteristics is set to User Defined, the n and Backscatter values can be edited by the user. When the Fiber Characteristics is set to Default, the tester uses the values defined in the current Fiber Type.
  • Page 178 DTX Series CableAnalyzer Technical Reference Handbook Table 7-1. OTDR Test Settings (cont.) Setting Description Wavelength You can test cabling at one or all the wavelengths supported by the installed module and the selected test limit. Note If you select the dual-wavelength setting, be sure to select a fiber type and test limit that supports both wavelengths.
  • Page 179: Otdr Port Connection Quality

    If a connector on the tester is damaged, contact Fluke Networks for service information. A poor OTDR connection increases the connector’s deadzone, which can hide faults near the OTDR port.
  • Page 180: Progress Screen For Extended Test Times

    DTX Series CableAnalyzer Technical Reference Handbook Progress Screen for Extended Test Times When the test time per wavelength exceeds 21 seconds, the tester shows the developing trace along with the progress indicator. Figure 7-11 shows an example of this screen. The tester updates the trace as measurement averaging proceeds.
  • Page 181: Running The Otdr Test

    Using the OTDR Module Running the OTDR Test Running the OTDR Test Figure 7-12 shows the equipment needed for OTDR tests. EXIT TEST ENTER SAVE AUTO SINGLE TEST SETUP TEST SPECIAL MONITOR FUNCTIONS TALK amd152f.eps Tester with OTDR module Launch fiber and receive fibers. Match the fiber to be tested.
  • Page 182 DTX Series CableAnalyzer Technical Reference Handbook To run the OTDR test: To save the results, press ; then do one of the following: Verify that the settings described in Table 7-1 are appropriate. • To save the results in a new record, create an ID or select an unused ID from the Auto Sequence ID list or Select Auto OTDR mode: Turn the rotary switch to the List of downloaded IDs;...
  • Page 183 Using the OTDR Module Running the OTDR Test Installed fiber Patch Patch panel panel Launch fiber Tester with OTDR module amd101f.eps Figure 7-13. Connecting the OTDR to Installed Fiber (no receive fiber) 7-25...
  • Page 184 DTX Series CableAnalyzer Technical Reference Handbook Installed fiber Patch Patch panel panel Launch fiber Tester with OTDR EXIT TEST ENTER Receive SAVE module AUTO TEST SINGLE SETUP TEST fiber SPECIAL MONITOR FUNCTIONS TALK amd116f.eps Figure 7-14. Connecting the OTDR to Installed Fiber (with receive fiber) 7-26...
  • Page 185 Using the OTDR Module Running the OTDR Test Pigtail patch cord and mechanical splice Tester with OTDR module Spooled cable amd122f.eps Figure 7-15. Connecting the OTDR to Spooled Cable 7-27...
  • Page 186: Looking At Otdr Test Results

    DTX Series CableAnalyzer Technical Reference Handbook Looking at OTDR Test Results Reading the OTDR Results Screen The OTDR Results screen, which appears when the test is The tester offers four different views of OTDR test results: finished, is described in Figure 7-16. summary results, an OTDR trace, an event table, and detailed results.
  • Page 187 Using the OTDR Module Looking at OTDR Test Results Table 7-2. OTDR Results Screen Measurements Item Description Length The length of the fiber in the cabling. If the measured length seems wrong, check the Index of Refraction in Setup. The length does not include launch and receive fibers if launch fiber compensation is enabled.
  • Page 188: Viewing The Otdr Trace

    DTX Series CableAnalyzer Technical Reference Handbook Viewing the OTDR Trace Figure 7-17 describes the readouts and navigational features on the OTDR screen. Figure 7-18 describes the To see the OTDR trace, press View Trace from the features of a typical OTDR trace. OTDR Results or Event Table screen.
  • Page 189 Using the OTDR Module Looking at OTDR Test Results Wavelength for the trace and the End setting selected in Press to see the Event Table. See page 7-35. Setup. If the test ran at two wavelengths, press Event information appears if the cursor is on an event. Next Trace to switch wavelengths.
  • Page 190 DTX Series CableAnalyzer Technical Reference Handbook amd125f.eps Figure 7-18. Typical OTDR Trace Features 7-32...
  • Page 191 Using the OTDR Module Looking at OTDR Test Results Reflective event caused by the OTDR port connection. Reflective event caused by the last connection in the cabling. The dotted line marks the end of the fiber under Reflective event caused by the first connection in the test and the beginning of the receive fiber.
  • Page 192: Using The Measurement Cursor

    DTX Series CableAnalyzer Technical Reference Handbook BCAD Using the Measurement Cursor to move the cursor to the ending point for the measurement. You can use the cursor on the OTDR trace to measure distances and losses along the cabling. The following readouts appear on the screen: To make measurements with the cursor: •...
  • Page 193: Zooming The Trace

    Using the OTDR Module Looking at OTDR Test Results Zooming the Trace The Event Table The zoom function lets you magnify the trace horizontally To see a list of the events along the cabling, press or vertically. View Events from the OTDR Results screen or the OTDR Trace screen.
  • Page 194 DTX Series CableAnalyzer Technical Reference Handbook Overall result for the test. Events on the fiber, each event’s status, and the distance to each event. See Table 7-3 on page 7-37. : The event’s measured value is within the limit. A yellow checkmark means there is a warning for the result.
  • Page 195 Using the OTDR Module Looking at OTDR Test Results Table 7-3. Event Types Event Possible Causes OTDR Port The tester identifies the OTDR port connection and grades its quality, as shown on the OTDR details screens. See “OTDR Port Connection Quality” on page 7-21. The tester’s OTDR port connector.
  • Page 196 DTX Series CableAnalyzer Technical Reference Handbook Table 7-3. Event Types (cont.) Event Possible Causes Tip: On some traces with multiple ghosts, only the first ghost may be identified in the event Ghost Source table. You can usually determine that other reflections are ghosts because they occur at A reflective event that is multiples of distances to connectors and they show almost no loss.
  • Page 197 Using the OTDR Module Looking at OTDR Test Results Table 7-3. Event Types (cont.) Event Possible Causes Hidden The event is detected, but not enough information is available to measure its loss separately from the previous event. Since the hidden event’s loss can’t be determined, it The event is within the is not shown.
  • Page 198 DTX Series CableAnalyzer Technical Reference Handbook Table 7-3. Event Types (cont.) Event Possible Causes Weak Signal No fiber is attached to the OTDR port, the fiber is too short, or there is a bad connector or broken fiber somewhere near the tester. May also occur if the fiber has very high loss, or The signal is attenuated if the tester is in Manual OTDR mode and the Pulse Width is too narrow.
  • Page 199 Check for bad connections and broken fibers within a few meters of the tester. No Signal If this continues to occur, contact Fluke Networks for assistance. There is a problem with the module. The tester identifies the end of the cabling as the point where the backscatter stops.
  • Page 200: Otdr Details Screens

    DTX Series CableAnalyzer Technical Reference Handbook OTDR Details Screens Use the softkeys to move among the details screens. Table 7-4 describes the details that may appear on these screens. On the Event Table, you can highlight an event, then press View Details to see more information about the event.
  • Page 201 Using the OTDR Module Looking at OTDR Test Results Table 7-4. OTDR Measurement Details (cont.) Detail Description Segment The attenuation per kilometer for the fiber segment before the event. This value may not be shown if it Attenuation could not be measured accurately. This can occur on short segments or if the connector before the Coefficient segment has a large deadzone.
  • Page 202 • The launch fiber is too short. No signal detected (also see page 7-41): There may be a problem with the module. If the error persists, contact Fluke Networks for assistance. Unable to find end of fiber due to weak signal (also see page 7-40): •...
  • Page 203 Using the OTDR Module Looking at OTDR Test Results Table 7-4. OTDR Measurement Details (cont.) Detail Description Warnings Cannot measure overall loss: • Overall loss cannot be measured, either because no backscatter was detected or the fiber is too short for attenuation to be measured.
  • Page 204 DTX Series CableAnalyzer Technical Reference Handbook Table 7-4. OTDR Measurement Details (cont.) Detail Description Warnings Negative loss value (a gainer) found in test result: • One or more loss value is significantly negative (-0.2 dB or more). • There is a bad connection on the fiber. •...
  • Page 205: Bi-Directional Testing

    Using the OTDR Module Bi-Directional Testing Bi-Directional Testing To test cabling in both directions and save the bi-directional results: In Setup, enter names for End 1 and End 2 to identify the ends of the cabling. Name End 1 as the end you will test first.
  • Page 206: Using Manual Otdr Mode

    DTX Series CableAnalyzer Technical Reference Handbook Using Manual OTDR Mode Table 7-5 describes the settings you can change in manual OTDR mode and how the settings affect the trace. You can Note access these settings on the Fiber OTDR tabs in Setup. Typically, you should use Auto OTDR mode when Tip: To see the settings used for an OTDR test, press certifying cabling with the OTDR.
  • Page 207 Using the OTDR Module Using Manual OTDR Mode Table 7-5. Manual OTDR Settings (cont.) Setting Description and Selection Guidelines Averaging The averaging time sets the number of measurements averaged together to create the final trace. Time Longer times reduce noise on the trace which increases dynamic range and accuracy and reveals more details, such as smaller non-reflective events.
  • Page 208 DTX Series CableAnalyzer Technical Reference Handbook Table 7-5. Manual OTDR Settings (cont.) Setting Description and Selection Guidelines Loss Threshold User Defined lets you set the threshold (in decibels) for reporting loss events. Events at or above the (Auto or User threshold are included in the event table.
  • Page 209: Overview Of Features

    ISO standards for most SFF (small form factor) fiber connectors. The optional DTX-MFM2, DTX-GFM2, and DTX-SFM2 fiber modules are used with a DTX-1800, DTX-1200 or DTX-LT • Provides pass/fail results based on industry-standard CableAnalyzer to test and certify fiber optic cabling limits.
  • Page 210: Safety Information

    DTX Series CableAnalyzer Technical Reference Handbook • Safety Information Never look directly into the visual fault locator output. Momentary exposure to the locator’s output will not damage your eyes; however, Warning: Class 1 and Class 2 Laser direct, long-term exposure is potentially Products hazardous.
  • Page 211 • Leave the module bay covers in place when the • Use a Fluke Networks FiberInspector Video fiber modules are not installed. Microscope to periodically inspect the fiber • When using the fiber modules, use proper module’s OUTPUT connector for scratches and...
  • Page 212: Installing And Removing Fiber Modules

    DTX Series CableAnalyzer Technical Reference Handbook Installing and Removing Fiber Modules Figure 8-1 shows how to install and remove the fiber modules. Caution To avoid damaging the DXT mainframe or the fiber module and to ensure proper operation: • Turn off the tester before removing or attaching modules.
  • Page 213 Certifying Fiber Optic Cabling Installing and Removing Fiber Modules Button for activating the visual fault locator (B) and output port (D). See Chapter 9 and “Autotest in Far End Source Mode” on page 8-18. Universal fiber connector (with dust cap) for the visual fault locator output. The connector accepts 2.5 mm ferrules.
  • Page 214: Installing The Connector Adapter

    SC, ST, LC, and FC fiber connectors (Figure • 8-3). Additional adapter styles may be available. Check the Store the connector adapters for the fiber module Fluke Networks web site for updates. in the canisters provided. • Do not touch the photodiode lens (see Figure 8-4).
  • Page 215 Certifying Fiber Optic Cabling Installing the Connector Adapter amd99f.eps Figure 8-4. Installing the Connector Adapter...
  • Page 216: Verifying Operation

    DTX Series CableAnalyzer Technical Reference Handbook Verifying Operation Clean the tester’s connectors and the connectors on two SC/SC test reference cords. Connect the tester and smart remote together, as shown in Figure 8-5. Turn the rotary switch to SPECIAL FUNCTIONS. to highlight Self Test;...
  • Page 217: Essentials For Reliable Fiber Test Results

    To get reliable fiber test results, you must follow proper cleaning and referencing procedures and, in some cases, Inspect connectors with a fiber microscope, such as the use mandrels during testing. Fluke Networks FiberInspector Video Microscope before making connections. Cleaning Connectors and Adapters Cleaning the Fiber Module's Input Connector Always clean and inspect fiber connectors before making connections.
  • Page 218: About Setting The Reference

    • Anytime the tester warns you that the reference is out Inspect connectors with a fiber microscope, such as the of date. Fluke Networks FiberInspector Video Microscope • Anytime you see a negative loss measurement (see before making connections. page 10-3).
  • Page 219: Selecting Test Reference Cords

    The DTX Fiber Modules come with high-quality test reference cords. To ensure that your measurements are accurate and repeatable, use test reference cords provided by Fluke Networks or cords of the same quality. See "Replacing Fiber Test Reference Cords" on page 14-8.
  • Page 220: Using Mandrels For Testing Multimode Fiber

    50 µm fiber with a 3 mm jacket. These mandrels are also with the DTX-MFM2 fiber modules. Mandrels can improve available from Fluke Networks. Refer to the appropriate measurement repeatability and consistency. They also allow standard for mandrel requirements if you follow other the use of LED light sources to certify 50 µm and 62.5 µm...
  • Page 221 Certifying Fiber Optic Cabling Essentials for Reliable Fiber Test Results Place top wrap in groove under retainer Wrap 5 times in grooves Right: no bends at retainer Wrong: bends at retainer amd67f.eps Figure 8-6. Wrapping a Test Reference Cord Around a Mandrel 8-13...
  • Page 222: Loss/Length Test Settings

    DTX Series CableAnalyzer Technical Reference Handbook Loss/Length Test Settings To access the fiber test settings turn the rotary switch to SETUP; then select Fiber Loss. Use to see different tabs. Table 8-2 describes the test settings that apply to loss/length tests on fiber cabling.
  • Page 223 Certifying Fiber Optic Cabling Loss/Length Test Settings Table 8-2. Loss/Length Test Settings (cont.) Setting Description SETUP > Fiber Loss > If the selected limit uses a calculated loss limit, enter the number of adapters and splices that will Number of Adapters be added to the fiber path after the reference is set.
  • Page 224 DTX Series CableAnalyzer Technical Reference Handbook amd65f.eps Figure 8-7. Example of How to Determine the Number of Adapters Setting (singlemode example; mandrels not used) 8-16...
  • Page 225 Connections screen) TIA reporting requirements. SETUP > Instrument Cable ID Source, Current Folder, Result Storage Location (DTX-1800, DTX-1200), Operator, Site, Settings Company, and Auto Save Results setting. See “Preparing to Save Tests” on page 2-1 and “Automatically Saving Results” on page 1-32.
  • Page 226: About 1 Jumper Connections

    DTX Series CableAnalyzer Technical Reference Handbook About 1 Jumper Connections Autotest in Smart Remote Mode Use Smart Remote mode to test and certify dual-fiber The reference and test connections shown in this manual cabling. produce 1 Jumper results. 1 Jumper results include the loss of the fiber plus the loss of the connections at both ends of In this mode, the tester measures loss, length, and the link.
  • Page 227 Certifying Fiber Optic Cabling Autotest in Smart Remote Mode amd46f.eps Tester and smart remote with fiber modules and Two singlemode adapters of the appropriate type connector adapters installed. Match connector adapters Two mandrels. Recommended when testing multimode to the connectors in the link. fiber with DTX-MFM2 modules.
  • Page 228: Setting The Reference For Smart Remote Mode

    DTX Series CableAnalyzer Technical Reference Handbook Setting the Reference for Smart Remote Mode requirements, you can enter lengths for each test reference cord number after setting the reference. Turn on both testers and let them sit for 5 minutes. Press Allow additional time if the modules have been stored above or below ambient temperature.
  • Page 229 Certifying Fiber Optic Cabling Autotest in Smart Remote Mode amd145f.eps Figure 8-9. Setting the Reference in Smart Remote Mode (1 Jumper Method) 8-21...
  • Page 230: Testing The Test Reference Cords In Smart Remote Mode

    Caution Note Fluke Networks recommends that you use this An overall result of PASS does not show that the test reference cords are good. You must procedure to make sure your test reference cords are good before you test each fiber link.
  • Page 231 Certifying Fiber Optic Cabling Autotest in Smart Remote Mode amd175.eps Figure 8-10. Testing the Test Reference Cords in Smart Remote Mode 8-23...
  • Page 232: Running The Autotest In Smart Remote Mode

    DTX Series CableAnalyzer Technical Reference Handbook Running the Autotest in Smart Remote Mode 24 If Open or Unknown appears as the status, try the following: Caution • Verify that all connections are good. If the test reference cords have been disconnected •...
  • Page 233 Certifying Fiber Optic Cabling Autotest in Smart Remote Mode amd146f.eps Figure 8-11. Testing a Fiber Link in Smart Remote Mode (1 Jumper Method) 8-25...
  • Page 234: Smart Remote Mode Autotest Results

    DTX Series CableAnalyzer Technical Reference Handbook Smart Remote Mode Autotest Results Figure 8-12 describes the Summary screen and loss results screen for an unsaved, single-directional Autotest in Smart The Summary screen appears when the test is finished. To Remote mode. see more detailed results, use to highlight a For bi-directional results in Smart Remote mode, see...
  • Page 235 Certifying Fiber Optic Cabling Autotest in Smart Remote Mode Note To see the propagation delay, select the length result. The results described here are for an unsaved test. Propagation delay is half the time taken for a signal to Unsaved tests for Smart Remote mode show results travel from the main tester to the remote and back again.
  • Page 236: Autotest In Loopback Mode

    DTX Series CableAnalyzer Technical Reference Handbook Autotest in Loopback Mode Use Loopback mode to test spools of cable and segments of uninstalled cable. In this mode, the tester measures loss, length, and propagation delay at two wavelengths in one or both directions. Figure 8-13 shows the equipment required for testing fiber in Loopback mode.
  • Page 237 Certifying Fiber Optic Cabling Autotest in Loopback Mode amd49f.eps Tester with fiber module and connector adapter Two singlemode adapters of the appropriate type installed (match connector adapter to the connectors in Mandrel Recommended when testing multimode fiber the link) with DTX-MFM2 modules. See page 8-12. Memory card (optional) Fiber cleaning supplies AC adapter with line cord (optional)
  • Page 238: Setting The Reference In Loopback Mode

    DTX Series CableAnalyzer Technical Reference Handbook Setting the Reference in Loopback Mode Press Turn on the tester and let it sit for 5 minutes. Allow The View Reference screen shows the reference values additional time if the modules have been stored above and the date and time the reference was set.
  • Page 239 Certifying Fiber Optic Cabling Autotest in Loopback Mode amd147f.eps Figure 8-14. Setting the Reference in Loopback Mode (1 Jumper Method) 8-31...
  • Page 240: Testing Your Test Reference Cords In Loopback Mode

    Caution Note An overall result of PASS does not show that Fluke Networks recommends that you use this the test reference cords are good. You must procedure to make sure your test reference cords compare the loss to the limits given here to make sure the cords are good.
  • Page 241 Certifying Fiber Optic Cabling Autotest in Loopback Mode amd176.eps Figure 8-15. Testing the Test Reference Cords in Loopback Mode 8-33...
  • Page 242: Running The Autotest In Loopback Mode

    DTX Series CableAnalyzer Technical Reference Handbook Running the Autotest in Loopback Mode 21 Connect the tester to the cabling. Figure 8-16 shows connections for the 1 Jumper method. Caution 22 Turn the rotary switch to AUTOTEST. Verify that the If the test reference cords have been disconnected media type is set to Fiber.
  • Page 243 Certifying Fiber Optic Cabling Autotest in Loopback Mode amd148f.eps Figure 8-16. Testing a Fiber in Loopback Mode (1 Jumper Method) 8-35...
  • Page 244: Loopback Mode Autotest Results

    DTX Series CableAnalyzer Technical Reference Handbook Loopback Mode Autotest Results Figure 8-17 describes the Summary screen and loss results screen for a single-directional Autotest in Loopback mode. The Summary screen appears when the test is finished. For bi-directional results in Loopback mode, see To see more detailed results, use to highlight a “Bi-Directional Testing”...
  • Page 245 Certifying Fiber Optic Cabling Autotest in Loopback Mode The overall result for the test. The measured loss for the fiber. Note Overall results for the fiber (E is PASS, F is FAIL): • Loss (Output -> Input): Loss on the fiber connected If loss is negative, set the reference again and retest the cabling.
  • Page 246: Autotest In Far End Source Mode

    TIA-568C Fiber Backbone limit. The tester does not such as a DTX smart remote with a fiber module. measure length in Far End Source mode. You can also use other sources, such as a Fluke Networks ® SimpliFiber Pro source or LS-1310/1550 laser source.
  • Page 247 Certifying Fiber Optic Cabling Autotest in Far End Source Mode amd51f.eps Tester and smart remote with fiber modules and Test reference cord. Match the fiber and connectors in the link. connector adapters installed (match connector adapters to the connectors in the link) Singlemode adapter of the appropriate type.
  • Page 248: Setting The Reference In Far End Source Mode

    DTX Series CableAnalyzer Technical Reference Handbook Setting the Reference in Far End Source Mode Hold down the button on the smart remote’s fiber module for 3 seconds to turn on the output port at Turn on the tester and smart remote and let them sit 850 nm (DTX-MFM2/GFM2) or 1310 nm (DTX-SFM2).
  • Page 249 Certifying Fiber Optic Cabling Autotest in Far End Source Mode If you do, you must set the reference again to Caution ensure valid measurements. Do not disconnect the test reference cord from the smart remote’s output after setting the reference. amd149b.eps Figure 8-19.
  • Page 250: Testing Your Test Reference Cords In Far End Source Mode

    14 Press to see the test result. The result must be no Note more than these limits: Fluke Networks recommends that you use this procedure to make sure your test reference cords Caution are good before you test each fiber link.
  • Page 251 Certifying Fiber Optic Cabling Autotest in Far End Source Mode amd177.eps Figure 8-20. Testing the Test Reference Cords in Far End Source Mode 8-43...
  • Page 252: Running The Autotest In Far End Source Mode

    DTX Series CableAnalyzer Technical Reference Handbook Running the Autotest in Far End Source Mode The LED is red for the shorter wavelength and green for the longer wavelength. Caution For other sources, verify the output is set to the correct If the test reference cord has been disconnected wavelength and is in continuous-wave mode.
  • Page 253 Certifying Fiber Optic Cabling Autotest in Far End Source Mode amd150f.eps Figure 8-21. Testing a Fiber in Far End Source Mode (1 Jumper Method) 8-45...
  • Page 254: Far End Source Mode Autotest Results

    DTX Series CableAnalyzer Technical Reference Handbook Far End Source Mode Autotest Results To see more detailed results, use to highlight a measurement; then press The Summary screen appears when the test is finished. Figure 8-22 describes the Summary screen loss results screen for an Autotest in Far End Source mode.
  • Page 255 Certifying Fiber Optic Cabling Autotest in Far End Source Mode Overall results for the fiber: The maximum loss allowed by the selected test limit. The difference between the limit and the measured loss. Loss (Remote -> Main): Overall loss on the fiber Margin is negative if the loss exceeded the limit.
  • Page 256: Bi-Directional Testing

    DTX Series CableAnalyzer Technical Reference Handbook Bi-Directional Testing When the test is complete, press to save the results. Select or create a fiber ID for the fiber; then press The Bi-Directional setting lets you test cabling in both again. directions and save the bi-directional test results in Smart In Smart Remote mode, you save two results, one for Remote and Loopback modes.
  • Page 257 Certifying Fiber Optic Cabling Bi-Directional Testing First saved result is Second saved result is Unsaved results show both the the input fiber the output fiber input and output fibers amd127f.eps Figure 8-23. Unsaved and Saved Bi-Directional Results for Smart Remote Mode 8-49...
  • Page 258: Finding Connections With Findfiber

    DTX Series CableAnalyzer Technical Reference Handbook Finding Connections with FindFiber ™ The FindFiber function helps you trace connections at patch panels and quickly check fiber continuity. Note The FindFiber function is not available in Far End Source mode. Using FindFiber in Smart Remote Mode Use the FindFiber function in Smart Remote mode to help you determine which fibers go to which connectors at a patch panel.
  • Page 259 Certifying Fiber Optic Cabling Finding Connections with FindFiber amd53f.eps Tester and smart remote with fiber modules and Test reference cords. Match the fiber to be tested. One end of each must have an SC connector. For the other connector adapters installed. Match connector adapters connectors, match the connectors in the link.
  • Page 260 DTX Series CableAnalyzer Technical Reference Handbook To use the FindFiber function in Smart Remote mode: Try various connections to the patch panel with the main tester’s INPUT fiber until the input fiber’s status Turn the rotary switch to SETUP; then select Fiber Loss. shows Connected.
  • Page 261 Certifying Fiber Optic Cabling Finding Connections with FindFiber amd54f.eps Figure 8-25. Using FindFiber in Smart Remote Mode 8-53...
  • Page 262 DTX Series CableAnalyzer Technical Reference Handbook amd103f.eps amd105f.eps amd104f.eps The main tester’s INPUT fiber path is The main tester’s INPUT fiber path is Both fiber paths are complete. not complete. complete. The main tester’s OUTPUT On the remote, the TEST and PASS fiber path is not complete.
  • Page 263: Using Findfiber In Loopback Mode

    Certifying Fiber Optic Cabling Finding Connections with FindFiber Using FindFiber in Loopback Mode Clean all connectors; then connect the tester's OUTPUT fiber to one end of the fiber path, as shown in Use FindFiber in Loopback mode to quickly check the Figure 8-28.
  • Page 264 DTX Series CableAnalyzer Technical Reference Handbook amd56f.eps Figure 8-28. Using FindFiber in Loopback Mode 8-56...
  • Page 265: Using The Power Meter

    Certifying Fiber Optic Cabling Using the Power Meter Using the Power Meter The power meter lets you measure the optical power produced by a source such as an optical network interface card or optical test equipment. The tester offers two versions of the power meter function: •...
  • Page 266 DTX Series CableAnalyzer Technical Reference Handbook To use the power meter in MONITOR mode: Turn the rotary switch to MONITOR; then select Power Meter. Note If you need to save the power reading, use the Press power meter function in the SINGLE TEST mode. Select the appropriate wavelength;...
  • Page 267 Certifying Fiber Optic Cabling Using the Power Meter To use the power meter in SINGLE TEST mode: In Smart Remote mode you will save two power meter results, one for each fiber. In the saved results, Input Note Fiber and Output Fiber refer to the fibers connected to Refer to previous sections on the Autotest in Smart the main tester’s input and output ports at the end of Remote, Loopback, or Far End Source modes for...
  • Page 268 DTX Series CableAnalyzer Technical Reference Handbook amd107f.eps amd106f.eps Meters showing the power readings taken at each Meter showing the power reading. The reading updates wavelength. The tester takes one measurement for each continuously until you press wavelength. To switch between dBm and µw, press Power readings in decibels relative to Change λ.
  • Page 269: Running Single Tests

    You can use a DTX Series smart remote with a DTX-MFM2 In the SINGLE TEST mode, you can run and save the or DTX-SFM2 fiber module as the remote for a Fluke following tests individually: Networks OptiFiber ®...
  • Page 270 DTX Series CableAnalyzer Technical Reference Handbook 8-62...
  • Page 271: Visual Fault Locator Applications

    Chapter 9: Locating Fibers and Faults with the Visual Fault Locator • Note Reveal high-loss bends. If the locator’s light is visible around a bend in a fiber, the bend is too sharp. The fiber modules are not compatible with the •...
  • Page 272: Using The Visual Fault Locator

    DTX Series CableAnalyzer Technical Reference Handbook Using the Visual Fault Locator The visual fault locator port accepts connectors with 2.5 mm ferrules (SC, ST, or FC). To connect to other ferrule Figure 9-1 shows the equipment needed for using the visual sizes, use a test reference cord with the appropriate fault locator.
  • Page 273 Locating Fibers and Faults with the Visual Fault Locator Using the Visual Fault Locator To use the visual fault locator: Look for the red light to locate fibers or faults, as shown in Figure 9-2. Clean the connectors on the test reference cord, if used, and the fiber to be tested.
  • Page 274 DTX Series CableAnalyzer Technical Reference Handbook amd23f.eps Figure 9-2. Using the Visual Fault Locator...
  • Page 275: Common Causes Of Failures

    Chapter 10: Diagnosing Fiber Cabling Faults Common Causes of Failures The table shows results of a survey of 89 contractors and private network owners. The results show what percentage Most problems in fiber links are caused by dirty, scratched, of each group commonly found the faults listed. or damaged connectors, as shown in Table 10-1.
  • Page 276: Diagnosing Loss/Length Test Failures

    The tester’s VFL can reveal damaged connectors and other faults. See Chapter 8 for ® details. An OTDR, such as the Fluke Networks OF-500 OptiFiber Certifying OTDR, can help you locate faults not revealed with the VFL.
  • Page 277 Diagnosing Fiber Cabling Faults Diagnosing Loss/Length Test Failures Table 10-2. Diagnosing Fiber Test Failures (cont.) Loss is negative. • The fiber ends were dirty during referencing. • The connections to the tester were disturbed after referencing. • There was a kink in a test reference cord during referencing. •...
  • Page 278 DTX Series CableAnalyzer Technical Reference Handbook Table 10-2. Diagnosing Fiber Test Failures (cont.) Power meter measurement is too low • Fiber endface is dirty or damaged. • Test reference cord not connected to tester’s INPUT port, or a connection is loose. •...
  • Page 279: Diagnosing Otdr Test Failures

    Diagnosing Fiber Cabling Faults Diagnosing OTDR Test Failures Diagnosing OTDR Test Failures Table 10-3 describes some typical causes of fiber test failures. Table 10-3. Diagnosing OTDR Test Failures Overall Loss fails • There is one or more dirty or damaged connections in the cabling. Check the OTDR trace or event table for high-loss reflective events.
  • Page 280 DTX Series CableAnalyzer Technical Reference Handbook Table 10-3. Diagnosing OTDR Test Failures (cont.) Largest Event fails • The event is a dirty or damaged connector. Check the OTDR trace or event table for high-loss reflective events. • A patch cord, launch fiber, or fiber segment has the wrong core size, backscatter coefficient, or mode field diameter. If the patch cords and launch fiber are the correct type, check the OTDR trace for mismatched cable in the cabling.
  • Page 281 Diagnosing Fiber Cabling Faults Diagnosing OTDR Test Failures Table 10-3. Diagnosing OTDR Test Failures (cont.) Large reflective event with high loss (top) or excessive tailing (bottom). May be identified as an end event though it occurs before the end of the cabling. May be caused by the following: •...
  • Page 282 DTX Series CableAnalyzer Technical Reference Handbook Table 10-3. Diagnosing OTDR Test Failures (cont.) Small reflective event with high loss. May be identified as an end event though it occurs before the end of the cabling. May be caused by very sharp bend, a crack, or a mechanical splice with high loss. If the event is a bend, it may show higher loss at a longer wavelength.
  • Page 283 Diagnosing Fiber Cabling Faults Diagnosing OTDR Test Failures Table 10-4. Diagnosing Faults on OTDR Traces (cont.) Top figure: Ghost after the cabling end These are not listed in the event table and generally do not indicate a fault in the cabling. Bottom figure: Ghosts in the middle of the cabling Ghosts occurring in the middle of the cabling are listed in the event table, along with the source of the ghosts.
  • Page 284 DTX Series CableAnalyzer Technical Reference Handbook 10-10...
  • Page 285: Overview Of Features

    Verify connection to the network, including connection The following software supports the DTX-NSM module. speed, duplex configuration, link wiring, and PoE Software upgrades are available on the Fluke Networks service (wiring and PoE functions for twisted pair only) website. •...
  • Page 286: Installing And Removing The Network Module And Optional Sfp Module

    DTX Series CableAnalyzer Technical Reference Handbook Installing and Removing the Network Module and Optional SFP Module See Figure 11-2. Install the network module only in the main tester. Install an optional SFP (small form pluggable) module to test fiber links. Caution Leave the module bay cover in place when a module is not installed.
  • Page 287 Verifying Network Service Installing and Removing the Network Module and Optional SFP Module amd39f.eps Figure 11-2. Installing and Removing the Network and SFP Modules 11-3...
  • Page 288: Verifying Network Connectivity

    DTX Series CableAnalyzer Technical Reference Handbook Verifying Network Connectivity Select Utilities > DTX Utilities > Ping Target List on the LinkWare menu. The network connectivity test lets you verify that a twisted Create an address list; then download it to the tester. pair or fiber link is connected to a network.
  • Page 289 Verifying Network Service Verifying Network Connectivity Table 11-1. Network Connectivity Test Settings Setting Description SETUP > Select DHCP (Dynamic Host Configuration Protocol) to have the network's server assign the Network Settings > tester's address, gateway address, and DHCP and DNS (Domain Name System) server addresses. IP Address Most networks support DHCP.
  • Page 290: Running The Connectivity Test

    DTX Series CableAnalyzer Technical Reference Handbook Running the Connectivity Test To save the results, press ; then do one of the following: To test for network connectivity: • To save the results in a new record, create an ID or Note select an unused ID from the Auto Sequence ID list The network connectivity test will not run on links...
  • Page 291 Verifying Network Service Verifying Network Connectivity amd17f.eps Figure 11-3. Network Test Connections 11-7...
  • Page 292 DTX Series CableAnalyzer Technical Reference Handbook Speeds supported by the switch or hub: 10 Mbit, 100 Mbit, 1000 Mbit. The current speed is green. Arrows show the connection's duplex configuration: PoE shows if you ran the Network Connectivity w/PoE test and the device appears to support Power over Ethernet.
  • Page 293 Verifying Network Service Verifying Network Connectivity The checkmarks and Xs indicate how many replies the Select Negotiation Details to see details. See Figure 11-5. tester received to its three pings: On the Negotiation Details screen, Yes for Pin Reversal indicates a reversed pair on the link, (such as wires 1 and 2 crossed).
  • Page 294 DTX Series CableAnalyzer Technical Reference Handbook The speed negotiated for the connection. The connection's duplex configuration: • Half Duplex: data travels in one direction at a time. • Full Duplex: data travels in both directions at the same time (as with Gigabit Ethernet).
  • Page 295: Pinging Network Devices

    Verifying Network Service Pinging Network Devices Pinging Network Devices Do one of the following: • To ping one device, highlight the device; then press The ping test verifies connectivity to devices on the network. • To ping all devices in the list, press Ping All.
  • Page 296 DTX Series CableAnalyzer Technical Reference Handbook The name and IP address of the device that was pinged. Number of pings sent and received. The minimum, average, and maximum times taken for the ping requests to travel to the target address and back to the tester (Round Trip Return Time).
  • Page 297: Monitoring Network Traffic

    Verifying Network Service Monitoring Network Traffic Monitoring Network Traffic The traffic monitor lets you identify active cables and check a network's basic health. Note Traffic monitor results cannot be saved. To monitor network traffic: Turn on the tester; then connect to the network as shown on page 11-7.
  • Page 298 DTX Series CableAnalyzer Technical Reference Handbook The time the test has been running. Traffic characteristics for the last 1 second, and the average and peak values since the test began: • Utilization: Percentage of the network’s bandwidth used. This indicates the traffic density on the network.
  • Page 299: Blinking A Port Light

    This function generates a link pulse on connections at a patch panel. This function requires one or more optional Fluke Networks LinkRunner ™ Cable ID pairs 12 and 36 to blink the port's activity LED.
  • Page 300 DTX Series CableAnalyzer Technical Reference Handbook amd20f.eps Figure 11-8. Identifying Links with Optional LinkRunner Cable ID Locators 11-16...
  • Page 301: Diagnosing Low-Level Network Problems

    Verifying Network Service Diagnosing Low-Level Network Problems Diagnosing Low-Level Network are usually addressed by a network technician or administrator using a network tester or analyzer. Problems Table 11-2 lists common causes of symptoms you can detect The DTX-NSM module helps you troubleshoot links and with the DTX-NSM module.
  • Page 302 DTX Series CableAnalyzer Technical Reference Handbook Table 11-2. Diagnosing Low-Level Network Problems (cont.) Wire pairs 12 and 36 are reversed • Mix of 568A and 568B wiring standards. • Crossover cables used where not needed. They are typically used only between two switches or hubs. •...
  • Page 303 Verifying Network Service Diagnosing Low-Level Network Problems Table 11-2. Diagnosing Low-Level Network Problems (cont.) Collision rate averaging above 5 % • Duplex mismatch on the network. • Too many stations within the collision domain. • Faulty hub, switch, NIC, or other device. •...
  • Page 304 DTX Series CableAnalyzer Technical Reference Handbook 11-20...
  • Page 305: Creating A Custom Twisted Pair Cable Type

    The DTX-ELT does not support custom test Type settings. You can create up to nine custom twisted pair cable types. On models DTX-1800, DTX-1200, and DTX-LT, you can A custom twisted pair cable type includes the following customize the following test settings: settings: •...
  • Page 306: Creating A Custom Twisted Pair Test Limit

    DTX Series CableAnalyzer Technical Reference Handbook Creating a Custom Twisted Pair Test Limit On the Custom screen, select Use Default Values From, select a cable group; then select a cable type as a You can create up to nine custom twisted pair test limits. A baseline for your custom cable type.
  • Page 307: Creating A Custom Outlet Configuration

    Custom Test Settings Creating a Custom Outlet Configuration To create a custom twisted pair limit: Creating a Custom Outlet Configuration Turn the rotary switch to SETUP; then select Twisted Pair. You can create up to nine custom outlet configurations. A custom outlet configuration includes the following settings: Select Test Limit, press More;...
  • Page 308: Creating A Custom Fiber Type For Loss/Length Tests

    DTX Series CableAnalyzer Technical Reference Handbook On the Custom screen use On the Custom screen, select Name; then use the text select wire pairs to enable or disable. editing screen to enter a name for your custom fiber type. Press when you are done.
  • Page 309: Creating A Custom Limit For Loss/Length Tests

    Custom Test Settings Creating a Custom Limit for Loss/Length Tests Creating a Custom Limit for Loss/Length The Custom screen shows other settings on multiple tabs for the fiber test limit. Use Tests to select settings to change. Use to move You can create up to nine custom fiber limits for loss/length among the tabs.
  • Page 310: Creating A Custom Fiber Type For Otdr Tests

    DTX Series CableAnalyzer Technical Reference Handbook Creating a Custom Fiber Type for OTDR To change the backscatter coefficient, press to go to the next tab on the Custom screen, select Backscatter Tests for a wavelength; then use the editing screen to enter You can create up to nine custom fiber types for OTDR tests.
  • Page 311: Creating Custom Limits For Otdr Tests

    Custom Test Settings Creating Custom Limits for OTDR Tests Creating Custom Limits for OTDR Tests On the Custom Limit screen, press Select Fiber; then do one of the following: You can create up to nine custom limits for OTDR tests. Each •...
  • Page 312 DTX Series CableAnalyzer Technical Reference Handbook Table 12-1. Settings for Custom OTDR Limits Setting Description Length Enter a maximum length for the cabling. Reflective Event Loss Enter a maximum value for connector loss. A typical value is 0.75 dB. Non-reflective Event Loss Enter a maximum value for splice loss.
  • Page 313: Editing Custom Settings

    Custom Test Settings Editing Custom Settings Editing Custom Settings Deleting Custom Settings To delete a custom cable, fiber type, test limit, or outlet The editing function lets you change values in existing configuration: custom settings. Turn the rotary switch to SETUP; then select Twisted To edit an existing custom cable, fiber type, test limit, or Pair, Fiber Loss, or Fiber OTDR.
  • Page 314: Changing The Nvp

    DTX Series CableAnalyzer Technical Reference Handbook Changing the NVP Do one of the following: The tester uses an NVP value (nominal velocity of To change the NVP for the selected cable type, select propagation) and the signal delay through cable to NVP on the Twisted Pair or Coax menu.
  • Page 315: Resetting The Nvp To The Default Value

    Custom Test Settings Changing the NVP Resetting the NVP to the Default Value Select Twisted Pair or Coax. You can reset the NVP to the default value defined by the Do one of the following: selected cable type by re-selecting the cable type in SETUP. To change the NVP for the selected cable type, select To reset the NVP to the default value: NVP on the Twisted Pair or Coax menu.
  • Page 316: Transferring Custom Settings Between Testers

    DTX Series CableAnalyzer Technical Reference Handbook Transferring Custom Settings Between Testers To transfer custom limits, cable types, outlet configurations, and fiber types between testers, use the Modify DTX Test Limits utility in LinkWare software. This utility lets you upload custom settings from a tester to a PC, then download the settings to other testers.
  • Page 317: Storage Locations And Capacities

    The DTX-1800 and DTX-1200 can store up to 4,000 Autotest results, including graphical data, on a 128 MB removable memory card. Checking the Memory Status...
  • Page 318 DTX Series CableAnalyzer Technical Reference Handbook The memory status currently displayed. is shown for internal memory. is shown for the memory card (DTX-1800, DTX-1200) DTX-1800/DTX-1200: Press to switch between the memory card and internal memory status. The bar graph shows the space used in the current memory destination.
  • Page 319: Setting The Storage Location (Dtx-1800, Dtx-1200)

    Automatically Saving Results (DTX-1800, DTX-1200) DTX-1200, DTX-LT, DTX-CLT, DTX-CLT CertiFiber) To set the destination for saved results on a DTX-1800 or DTX-1200 tester: When Auto Save Results is set to Yes, the tester Turn the rotary switch to SETUP. automatically saves Autotests using the next ID available from the Cable ID Source.
  • Page 320: Working With Folders

    Instrument Settings; then Creating a New Folder press To create a new folder: DTX-1800, DTX1200: Verify that the Result Storage Turn the rotary switch to SETUP. Location shows the correct location. Change the to highlight Instrument Settings; then location if necessary.
  • Page 321: Deleting Folders

    Memory Functions Working with Folders Deleting Folders To delete a folder and all the results it contains: Turn the rotary switch to SPECIAL FUNCTIONS. to highlight View/Delete Results; then press If necessary, press Change Folder to find the folder you want to delete. Press Delete.
  • Page 322: Viewing And Managing Saved Results

    DTX Series CableAnalyzer Technical Reference Handbook Viewing and Managing Saved Results Figure 13-2 describes the View Results screen. To view and manage saved results, turn the rotary switch to SPECIAL FUNCTIONS, use to highlight View/Delete Results; then press Sorting order of the list of results. For example, ID means the list is sorted by cable IDs in ascending order.
  • Page 323: Moving Or Copying Results To A Memory Card (Dtx-1800, Dtx-1200)

    Memory Functions Viewing and Managing Saved Results Moving or Copying Results to a Memory Card Deleting Results (DTX-1800, DTX-1200) To delete results: To move or copy all results from internal memory to the Turn the rotary switch to SPECIAL FUNCTIONS.
  • Page 324: Renaming Results

    DTX Series CableAnalyzer Technical Reference Handbook Renaming Results To sort results: On the View Results screen, press Sort. To rename saved results: On the View Results screen, select the result you want to highlight the field you want to sort by. to rename.
  • Page 325: Formatting A Memory Card (Dtx-1800, Dtx-1200) Or Internal Memory

    Memory Functions Formatting a Memory Card (DTX-1800, DTX-1200) or Internal Memory Formatting a Memory Card (DTX-1800, You can also format a memory card or internal memory in SPECIAL FUNCTIONS mode: DTX-1200) or Internal Memory Turn the rotary switch to SPECIAL FUNCTIONS.
  • Page 326: Uploading Results To A Pc

    Install the latest version of LinkWare software on your Turn on the tester. Connect the tester to the PC with the USB cable included or the DTX serial cable available from Fluke Networks. Insert the memory card containing results into the PC’s memory card reader.
  • Page 327: Maintenance

    • Use only specified replacement parts for user- tester with a different remote. replaceable items. See “Setting the Reference” on pages 3-1 for twisted pair • Use only Fluke Networks authorized service cable and 5-1 for coaxial cable. centers. 14-1...
  • Page 328: Factory Calibration

    Fluke Networks website, or contact Fluke Networks to To get a software update, download the update from the get the update by other means. Save the file to your Fluke Networks website or contact Fluke Networks to get hard drive. the update by other means.
  • Page 329 The DTX serial cable connects a PC’s DB-9 RS-232 serial port to the miniature RS-232 serial port on the DTX-1800 and DTX-1200 testers. This cable is included with the DTX-1800 and is available from Fluke Networks. Table 14-3 on page 14-38 shows the pin connections for this cable.
  • Page 330 DTX Series CableAnalyzer Technical Reference Handbook Updating with Another Tester You can update a tester’s software using another tester that is already updated. Connect an updated tester or smart remote to a tester or smart remote that needs updating, as shown in Figure 14-3 or 14-4.
  • Page 331 Maintenance and Specifications Maintenance PASS TEST FAIL TALK TONE LOW BATTERY EXIT TEST ENTER SAVE AUTO SINGLE TEST TEST SETUP SPECIAL MONITOR FUNCTIONS TEST TALK TALK EXIT TEST EXIT TEST ENTER ENTER SAVE SAVE AUTO AUTO SINGLE TEST SINGLE TEST TEST SETUP TEST...
  • Page 332: Cleaning

    Updating the Limits or Cable Types Database You can update the tester’s software using a memory card Fluke Networks may release a test limits or cable types that contains the software update file. database that is not part of a software update. To install a...
  • Page 333: Replacing The Battery Pack

    Battery Status. Verify that both the main and the battery pack. If the internal lithium battery fails, send remote battery gauges are shown. If the remote gauge the tester to a Fluke Networks service center for a is missing, check the connections between the two replacement.
  • Page 334: Storage

    Fluke Networks website at www.flukenetworks.com. with APC connectors on the ends connected to the link, and UPC connectors on the ends connected To order options and accessories, contact Fluke Networks as to the testers. Connecting non-APC connectors to described on page 1-3.
  • Page 335: If Something Seems Wrong

    OK. If the tester does not recover, press and hold until the tester turns off. If the error recurs, update the tester's software. If the tester already has the latest software, contact Fluke Networks for assistance. The tester will not turn on, even with the ac adapter connected.
  • Page 336 The test reference cords and adapters are good, but the reference power level is too low. Clean the tester’s input and output connectors and use a fiber microscope to inspect the endfaces. If an endface is damaged, contact Fluke Networks for service information. A fiber test produces a negative loss reading.
  • Page 337: Specifications

    Maintenance and Specifications Specifications Specifications Feature Comparison of DTX Models Feature DTX-1800 DTX-1200 DTX-LT DTX-ELT DTX-CLT DTX-CLT CertiFiber Maximum Category/Class 5e/D Maximum Frequency 600 MHz, 250 MHz, 250 MHz, 250 MHz, 100 MHz, (normal, extended) 800 MHz (RL, NEXT) 350 MHz...
  • Page 338: Environmental And Regulatory Specifications

    DTX Series CableAnalyzer Technical Reference Handbook Environmental and Regulatory Specifications Operating temperature 32 °F to 113 °F (0 C to 45 Storage temperature -4 °F to +140 °F (-20 C to +60 32 °F to 95 °F (0 °C to 35 °C): 0 % to 90 % Operating relative humidity 95 °F to 113 °F (35 °C to 45 °C): 0 % to 70 % (% RH without condensation)
  • Page 339: Service Calibration Period

    Note For availability of additional adapters that allow Service Calibration Period testing to other performance standards, different One year. cabling types, or fiber optic cabling, contact Fluke Networks. Standard Link Interface Adapters Time for Autotest Cat 6A/Class E permanent link adapters (except...
  • Page 340: Summary Of Performance Specifications

    TIA-568-C.2-1 and IEC 61935-2. Range 800 m (2600 ft) 150 m (490 ft) For Class F test modes, the DTX-1800 is compliant with Level Resolution 0.1 m or 1 ft 0.1 m or 1 ft IV requirements as in the draft 2 edition of IEC 61935-2.
  • Page 341: Propagation Delay

    Maintenance and Specifications Specifications Propagation Delay Delay Skew Twisted pair cabling Parameter Twisted Pair Cabling Parameter Without Remote With Remote Range 0 ns to 100 ns Range 4000 ns 750 ns Resolution 1 ns Resolution 1 ns 1 ns ± 10 ns Accuracy ±...
  • Page 342 Dynamic Accuracy NEXT ± 0.75 dB Dynamic Accuracy ACR-F ± 1.0 dB (FEXT dynamic accuracy is tested to ± 0.75 dB) * DTX-1800 up to 900 MHz. DTX-1200, DTX-LT, and DTX-ELT up to 350 MHz. DTX-CLT up to 100 MHz. 14-16...
  • Page 343 Output Signal Balance 40 - 20 log(f/100) 37 - 20 log(f/100) (measured to 60 dB maximum) (measured to 60 dB maximum) * DTX-1800 up to 900 MHz. DTX-1200, DTX-LT, and DTX-ELT up to 350 MHz. DTX-CLT up to 100 MHz. -continued- 14-17...
  • Page 344 250 MHz to 600 MHz: 12 dB 20 - 15log(f/100), (applicable when IL > 3dB) 25 dB maximum 250 MHz to 600 MHz: 14 dB * DTX-1800 up to 900 MHz. DTX-1200, DTX-LT, and DTX-ELT up to 350 MHz. DTX-CLT up to 100 MHz. 14-18...
  • Page 345: Measurement Accuracy

    The measurement accuracy of the DTX Series CableAnalyzer point. Observed differences between laboratory equipment testers meets or exceeds accuracy Level IV. The DTX-1800 and DTX CableAnalyzers using calibration verification measures up to 900 MHz and is fully compliant with artifacts were used as a confirmation.
  • Page 346 DTX Series CableAnalyzer Technical Reference Handbook Level IV Accuracy Worst Case DTX Accuracy Network Analyzer Accuracy Best Case DTX Accuracy Frequency in MHz amd110f.eps Figure 14-5. Baseline Insertion Loss Measurement Accuracy 14-20...
  • Page 347 Maintenance and Specifications Specifications Level IV Accuracy Worst Case DTX Accuracy Network Analyzer Accuracy Best Case DTX Accuracy Frequency in MHz amd111f.eps Figure 14-6. Baseline NEXT Loss Measurement Accuracy 14-21...
  • Page 348 DTX Series CableAnalyzer Technical Reference Handbook Level IV Accuracy Worst Case DTX Accuracy Network Analyzer Accuracy Best Case DTX Accuracy Frequency in MHz amd112f.eps Figure 14-7. Baseline Return Loss Measurement Accuracy 14-22...
  • Page 349 Maintenance and Specifications Specifications Level IV Accuracy Worst Case DTX Accuracy Network Analyzer Accuracy Best Case DTX Accuracy Frequency in MHz amd113f.eps Figure 14-8. Baseline ACR-F Measurement Accuracy 14-23...
  • Page 350: Hdtdx Analyzer Specifications For Cables <100 M (328 Ft)

    DTX Series CableAnalyzer Technical Reference Handbook HDTDX Analyzer Specifications for Cables <100 m Characteristic Impedance (328 ft) The tester reports an estimate of the cable's impedance at 4 m from the beginning of the link. The accuracy of the The specifications below are typical for cables less than measurement is relative to a 100 Ω...
  • Page 351: Dtx-Coax Coaxial Adapter Specifications

    Maintenance and Specifications Specifications DTX-COAX Coaxial Adapter Specifications Input connector Male F-connector. BNC adapter allows connection to coaxial network cabling Cable types tested Coaxial video and network cabling Length Range: 800 m (2625 ft) with or without remote Resolution: 0.1 m or 1 ft 0 m to 150 m (0 ft to 492 ft): ±(0.3 m + 2 %) Accuracy: 150 m to 800 m (492 ft to 2625 ft): ±(0.3 m + 4 %)
  • Page 352 DTX Series CableAnalyzer Technical Reference Handbook DTX-COAX Coaxial Adapter Specifications (cont.) Insertion loss Frequency range and resolution: 1 MHz to 31.25 MHz: 125 kHz 31.5 MHz to 100 MHz: 250 kHz 100.5 MHz to 250 MHz: 500 kHz 251 MHz to 900 MHz: 1 MHz Source/load return loss (typical): 1 MHz to 300 MHz: 20 –...
  • Page 353: Dtx-Nsm Module Specifications

    Maintenance and Specifications Specifications DTX-NSM Module Specifications Input Twisted pair cable: 8-pin modular jack (RJ45) connectors Fiber optic cable: SFP port (small form pluggable) Indicator Green LED indicates link activity Functions Verifies link connectivity and network service availability, checks link utilization and error conditions, verifies the presence of PoE (Power over Ethernet), blinks a hub/switch activity LED, detects ™...
  • Page 354: Dtx Compact Otdr Module Specifications

    DTX Series CableAnalyzer Technical Reference Handbook DTX Compact OTDR Module Specifications Specification Multimode Singlemode Wavelengths 850 nm ±20 nm; 1300 nm +35 nm, -15 nm 1310 nm ±25 nm, 1550 nm ±30 nm Fiber Under Test 62.5/125 µm or 50/125 µm 9/125 µm OTDR Port Connector Cleanable ferrule, UPC polish, with...
  • Page 355 Maintenance and Specifications Specifications DTX Compact OTDR Module Specifications (cont.) Specification Multimode Singlemode Event Deadzone 850 nm: 3.7 m typical 1310 nm: 3.5 m typical 1300 nm: 3.5 m typical 1550 nm: 3.5 m typical Attenuation Deadzone 850 nm: 10 m typical 1310 nm: 10 m typical 1300 nm: 13 m typical 1550 nm: 12 m typical...
  • Page 356 DTX Series CableAnalyzer Technical Reference Handbook DTX Compact OTDR Module Specifications (cont.) Specification Multimode Singlemode Distance Accuracy ±1 m ± 0.005 % of distance ± 50 % of ±1 m ± 0.005 % of distance ± 50 % of resolution ± index of refraction error ± event resolution ±...
  • Page 357: Dtx-Mfm2/Sfm2/Gfm2 Fiber Module Specifications

    Maintenance and Specifications Specifications DTX-MFM2/SFM2/GFM2 Fiber Module Specifications Power Meter Specifications Input connector Interchangeable connector adapter (SC standard) Detector type InGaAs Calibrated wavelengths 850 nm, 1310 nm, 1550 nm Power measurement range 0 dBm to -60 dBm (1300/1310 nm and 1550 nm) 0 dBm to -52 dBm (850 nm) Display resolution dB, dBm: 0.01...
  • Page 358 DTX Series CableAnalyzer Technical Reference Handbook Loss/Length Specifications DTX-MFM2 DTX-GFM2 DTX-SFM2 Specification Multimode Modules Gigabit Modules Singlemode Modules Far End Source mode (1 wavelength): ≤ 4.5 s Testing speeds Loopback mode (2 wavelengths, one direction): ≤ 5 s (excluding referencing Smart Remote mode (2 wavelengths, one direction): ≤...
  • Page 359 Maintenance and Specifications Specifications Loss/Length Specifications (cont.) DTX-MFM2 DTX-GFM2 DTX-SFM2 Specification Multimode Modules Gigabit Modules Singlemode Modules ± 1.5 m plus ± 2 % of length Length measurement accuracy ± 15 ns plus ± 2 % of propagation time Propagation time accuracy ≥...
  • Page 360 DTX Series CableAnalyzer Technical Reference Handbook Loss/Length Specifications (cont.) DTX-MFM2 DTX-GFM2 DTX-SFM2 Specification Multimode Modules Gigabit Modules Singlemode Modules ± 0.25 dB Power measurement uncertainty (accuracy) 1300/1310 nm and 1550 nm: ±0.1 dB Measurement linearity (18 °C to 28 °C constant temperature) 850 nm: ±0.2 dB ≥...
  • Page 361: Visual Fault Locator Specifications

    Maintenance and Specifications Specifications Visual Fault Locator Specifications 316 µw (-5 dBm) ≤ peak power ≥ 1.0 mw (0 dBm) Output power* Operating wavelength 650 nm nominal ± 3 nm Spectral width (RMS) Output modes Continuous wave and pulsed mode (2 Hz to 3 Hz blink frequency) Connector adapter 2.5 mm universal Laser safety...
  • Page 362: Power

    DTX Series CableAnalyzer Technical Reference Handbook Power Electromagnetic Compatibility Emissions: EN 61326-1, Class A Notes Immunity: EN 61326-1 You do not need to fully discharge the battery before recharging it. Input Ratings The battery will not charge at temperatures A DTX Series tester and remote are designed to measure outside of 0 °C to 45 °C (32 °F to 113 °F).
  • Page 363: Csa Standards

    Laser Classification and Safety for DTX-MFM2, DTX-GFM2, and DTX-SFM2 Fiber Modules The DTX-1800 and DTX-1200 can store up to 500 Cat 6 Autotest results, including graphical data, on a 16 MB OUTPUT port: Class 1 removable memory card.
  • Page 364: Serial Interfaces

    DB-9 to IEEE 1394 (Firewire) cable available from Fluke The tester and smart remote have a USB client interface. Networks. Table 14-3 shows the pin connections for the The main DTX-1800 and DTX-1200 testers also have an DTX serial cable. RS-232 (EIA/TIA-232) interface.
  • Page 365: Why You Must Do This Test

    Appendix A: How to Test Your Test Reference Cords Appendices Why You Must Do this Test Equipment You Must Have To get accurate measurements of loss, you must use high- Figure A-1 shows the equipment you must have to test your quality test reference cords that are in good condition and test reference cords.
  • Page 366 DTX Series CableAnalyzer Technical Reference Handbook amd173.eps Tester with a fiber module and a connector adapter A test reference cord that you are sure is good. One connector is SC. The other connector is the same as on installed. Use the connector adapter that connects to the cords you will test.
  • Page 367: Set Up The Tester

    How to Test Your Test Reference Cords 1. Set Up the Tester • 1. Set Up the Tester Fiber Type: Select the type of cable you will test. This sets the index of refraction (n). The test limits 1-1 Turn on the tester. Wait for a minimum of 5 minutes for shown above use n to calculate the length of the the tester to become stable.
  • Page 368: Clean And Inspect The Connectors

    DTX Series CableAnalyzer Technical Reference Handbook 2. Clean and Inspect the Connectors 2-2 After you clean an endface, use a fiber microscope to examine the endface. Figure A-2 shows examples of 2-1 Test reference cords must have endfaces that are clean what you can see with a fiber microscope.
  • Page 369: Set The Reference

    How to Test Your Test Reference Cords 3. Set the Reference 3. Set the Reference 3-1 Make the connections shown in Figure A-3. 3-2 Turn the rotary switch to SPECIAL FUNCTIONS, then select Set Reference. If both a fiber module and a twisted pair or coaxial adapter are attached, select Fiber Module next.
  • Page 370: Test The Cord In Both Directions

    DTX Series CableAnalyzer Technical Reference Handbook 4. Test the Cord in Both Directions 5. Read the Loss Measurements 4-1 Disconnect the test reference cord from the INPUT port Compare the loss measurement for each direction to these of the tester (Figure A-4, limits: •...
  • Page 371 How to Test Your Test Reference Cords 5. Read the Loss Measurements amd171.eps Figure A-4. Connections for Testing a Test Reference Cord...
  • Page 372 DTX Series CableAnalyzer Technical Reference Handbook...
  • Page 373 Appendix B: Fiber Test Method Names Industry standards use different names for equivalent fiber test methods. Table B-1 shows the names used in this manual and by four common industry standards for the three fiber test methods. Table B-1. Test Method Names Link End Connections This TIA/EIA-526-14A...
  • Page 374 DTX Series CableAnalyzer Technical Reference Handbook...
  • Page 375: Introduction

    Appendix C: Loss Test Methods for Fiber Cabling Introduction To test links with different connectors at each end, visit the Fluke Networks Knowledge Base for suggestions. Notes Use the Test Method setting on the tester’s Fiber menu in The following discussion uses the 1, 2, and 3 SETUP to record the method used.
  • Page 376: Jumper Method

    Reference connections for the 1 Jumper method cancel out connector adapters for the tester. See "Modified 1 the effects of the test reference cords, as shown in Figure C- Jumper Method" on page C-8. For additional methods, see the Fluke Networks Knowledge Base.
  • Page 377 Loss Test Methods for Fiber Cabling 1 Jumper Method amd70f.eps Figure C-1. 1 Jumper Reference and Test Connections (singlemode shown)
  • Page 378: Jumper Method

    DTX Series CableAnalyzer Technical Reference Handbook 2 Jumper Method The test connections add one connection, plus the fiber in the link, to each path. Loss results for the 2 Jumper method Results from the 2 Jumper method account for the loss of therefore represent only one connection plus the fiber in one connection plus the fiber in the link.
  • Page 379 Loss Test Methods for Fiber Cabling 2 Jumper Method amd69f.eps Figure C-2. 2 Jumper Reference and Test Connections (singlemode shown)
  • Page 380: Jumper Method

    DTX Series CableAnalyzer Technical Reference Handbook 3 Jumper Method The test connections add only the fiber in link to each path. Loss results for 3 Jumper method therefore represent only Results from the 3 Jumper method account for the loss of the fiber in the link.
  • Page 381 Loss Test Methods for Fiber Cabling 3 Jumper Method amd71f.eps Figure C-3. 3 Jumper Method Reference and Test Connections (singlemode shown)
  • Page 382: Modified 1 Jumper Method

    DTX Series CableAnalyzer Technical Reference Handbook Modified 1 Jumper Method Figures C-4 and C-5 show reference and test connections for a fiber with MT-RJ connectors. This section shows modified reference and test connections On the tester select 1 Jumper as the Test Method when that produce 1 Jumper results.
  • Page 383 Loss Test Methods for Fiber Cabling Modified 1 Jumper Method amd47f.eps Figure C-4. Modified 1 Jumper Method: Smart Remote Mode Reference Connections...
  • Page 384 DTX Series CableAnalyzer Technical Reference Handbook amd48f.eps Figure C-5. Modified 1 Jumper Method: Smart Remote Mode Test Connections C-10...
  • Page 385 Index Symbols –A– * in results, 3-12 AC wire map, 4-1 * in test settings, 12-2, 12-3, 12-4, 12-5, 12-6, 12-7 accessories > (in reflectance results), 7-43 standard, 1-4 $ in cable IDs, 1-32 ACR. See ACR-N. ACR-F, 3-28 diagnosing test failures, 6-6 Numerics specifications, 14-16 1 Jumper method, C-2...
  • Page 386 DTX Series CableAnalyzer Technical Reference Handbook –B– Auto Increment overview, 1-31 backbone template, 2-25 tutorial, 2-22 backlight Auto OTDR mode, 7-10 key, 1-11 Auto Save Results, 1-32, 13-3 timer, 1-28 Auto Sequence backscatter coefficient, 7-19 overview, 1-32 battery tutorial, 2-23 charging, 1-16 Autotest clock battery, 14-7...
  • Page 387 Index downloaded from a PC, 1-31 fiber loss/length module connector, 8-9 sequential, 2-23 OTDR module connectors, 7-9 templates, 2-25 cleaning connectors and adapters, 8-9 troubleshooting, 2-24 coaxial Cable Type Autotest, 5-6 coaxial, 5-3 reference, 5-1 custom, 12-1 results, 5-9 new cable types database, 14-6 test settings, 5-3 twisted pair, 3-3 Collisions, 11-14...
  • Page 388 1-28 twisted pair, 12-2 specifications, 14-38 transferring between testers, 12-12 DTX Compact OTDR module. See OTDR. customer support DTX feature comparison, 14-11 contacting Fluke Networks, 1-3 DTX-COAX module. See coaxial. if something seems wrong, 14-9 DTX-MFM2/GFM2/SFM2 modules. See fiber.
  • Page 389 14-6 Event Reflectance, 12-8 setting event table, 7-36 loss/length tests, 8-14 OTDR tests, 7-18 –F– FindFiber, 8-50 Fluke Networks FAIL*, 3-12 contacting, 1-3 Far End Source mode Knowledge Base, 1-2 Autotest, 8-44 folders referencing, 8-40 changing, 13-4...
  • Page 390 DTX Series CableAnalyzer Technical Reference Handbook –G– length results, 3-18 OTDR results, 7-28 Gainer, 7-39, 7-46 resistance results, 3-17 gateway address, 11-5 twisted pair results, 3-10 Ghost, 7-38 ID Locator, 11-15 Ghost Source, 7-38 IDs. See cable IDs. impedance. See characteristic impedance. –H–...
  • Page 391 Index Largest Event, 7-29 LinkWare Launch Compensation description, 1-34 markers on trace, 7-16 uploading results, 13-10 purpose, 7-11 LinkWare Stats, 1-34 types, 7-12 List, 1-31 viewing settings, 7-13 Loopback mode Launch Event, 7-37 Autotest, 8-34 launch/receive fiber equipment, 8-29 compensation, 7-11 referencing, 8-30 purpose, 7-11 loss...
  • Page 392 DTX Series CableAnalyzer Technical Reference Handbook MDI/MDI-X, 11-8, 11-10 diagnosing network problems, 11-17 memory ID locator, 11-15 features and functions, 13-1 module specifications, 14-37 features, 11-2 status screen, 13-2 installation and removal, 11-2 memory card software requirements, 11-1 capacity, 13-1, 14-37 monitoring network traffic, 11-13 care, 13-9 ping addresses, 11-4...
  • Page 393 Index coaxial default, 5-3 OTDR Port, 7-18 resetting to default, 12-11 OTDR Results screen, 7-28 twisted pair default, 3-3 port connection quality, 7-21 progress screen, 7-22 running the test, 7-24 –O– saving results, 11-6 open settings, 7-18 finding with the VFL, 9-3 software requirements, 7-6 Smart Remote mode, 8-24 trace, 7-30...
  • Page 394 DTX Series CableAnalyzer Technical Reference Handbook twisted pair, 3-2 SINGLE TEST mode, 8-59 Patch Lengths, 8-17 problems with the tester, 14-9 permanent link propagation delay interface adapters, 1-20 coaxial, 5-10 test connections, 3-7 Loopback mode, 8-37 personality module, 1-23 Smart Remote mode, 8-27 Pin Reversal, 11-10 specifications, 14-15 ping test...
  • Page 395 Index –S– Far End Source mode, 8-40 Loopback mode, 8-30 safety information Smart Remote mode, 8-20 fiber loss/length module, 8-2 when to set, 8-10 general, 1-8 twisted pair, 3-1 maintenance, 14-1 Reflectance, 7-43 OTDR module, 7-2 Reflection, 7-37 standards, 14-37 Reflective Event Loss, 12-8 symbols, 1-8 registration, 1-2...
  • Page 396 DTX Series CableAnalyzer Technical Reference Handbook service, 14-9 sorting results, 13-8 setup specifications battery, 1-16 DTX Compact OTDR module, 14-28 coaxial test settings, 5-3 DTX-COAX adapter, 14-25 fiber loss/length test, 8-14 DTX-NSM module, 14-27 language, 1-16 DTX-XFM2 fiber modules, 14-31 OTDR test, 7-18 environmental and regulatory, 14-12 twisted pair test settings, 3-3...
  • Page 397 Index –T– tone generator main tester, 1-11 talk mode, 1-33 smart remote, 1-15 Target Addresses, 11-4 using, 3-37 templates for cable IDs, 2-25 trace (OTDR), 7-33 Test Limit traffic monitor, 11-13 black limit line on plots, 3-13 troubleshooting coaxial, 5-3 fiber loss/length test failures, 10-2 custom OTDR test failures, 10-5...
  • Page 398 DTX Series CableAnalyzer Technical Reference Handbook coaxial impedance test, 5-10, 5-12 diagnosing failures, 6-2 Smart Remote mode, 8-24 diagrams, 3-4 twisted pair impedance test, 3-17 test, 3-15 updating the software, 14-2 with a memory card, 14-6 –X– with a PC, 14-2 with another tester, 14-4 coaxial results, 5-9 uploading results, 13-10...

This manual is also suitable for:

Dtx-ltDtx-1200Dtx-cltDtx-clt certifiberDtx-elt