Fluke DSP-FTA440S User Manual
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Fluke DSP-FTA440S User Manual

Fiber test adapter
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  • Page 1 Complimentary Reference Material This PDF has been made available as a complimentary service for you to assist in evaluating this model for your testing requirements. TMG offers a wide range of test equipment solutions, from renting short to long term, buying refurbished and purchasing new. Financing options, such as Financial Rental, and Leasing are also available on application.
  • Page 2 DSP-FTA410 Fiber Test Adapter Users Manual September 1998 Rev.1, 2/00 © 1998 , 2000 Fluke Corporation, All rights reserved. Printed in U. S.A. All product names are trademarks of their respective companies.
  • Page 3 Fluke’s warranty obligation is limited, at Fluke’s option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period.

  • Page 4: Table Of Contents

    Table of Contents Title Page Introduction ..................1 Unpacking .................... 2 Safety Information................3 Fiber Test Adapter Features ..............4 Getting Started..................5 Cleaning the Fiber Connections ............6 Verifying Operation................6 Summary of Fiber Test Settings ............8 Setting Up for Fiber Tests ..............9 Selecting a Test Standard and Fiber Type ........
  • Page 5 Feature ............. 34 Configuring a Custom Fiber Test............38 Fiber Test Reports................. 39 Maintenance..................39 Calibration ..................39 Repair....................40 Contacting Fluke................... 40 Replacement Parts and Accessories ............40 Specifications..................42 General Specifications ..............42 Optical Transmitter ................42 Optical Receiver................42 Fiber Troubleshooting Guide..............
  • Page 6 List of Tables Table Title Page Settings for Testing Fiber..............8 Loss Results for Smart Remote Mode..........23 Length Results for Smart Remote Mode..........24 Loss Results for Loopback Mode ............27 Length Results for Loopback Mode........... 27 Loss Results for Far End Source Mode ..........29 Main Unit Results for the FindFiber Test (Smart Remote Mode ..
  • Page 7 Contents (continued)
  • Page 8 List of Figures Figure Title Page Standard Equipment................2 Features of the DSP-FTA410 Fiber Test Adapter......4 Attaching a DSP-FTA410..............5 Connections for a Self Test..............7 Setting a Reference for Smart Remote Mode........13 Setting a Reference for Loopback Testing ......... 14 Setting a Reference for Far End Source Mode........
  • Page 9 Contents (continued)

  • Page 10: Introduction

    • Includes built-in support for SFF (Small Form Factor) link testing. • With a separate laser source (such as the Fluke LS-1310/1550 Laser Source), you can test singlemode fiber at 1310 nm and 1550 nm. • Monitors power at 850 nm, 1300 nm, 1310 nm, and 1550 nm from optical sources, such as test equipment and optical interface cards.

  • Page 11: Unpacking

    DSP-FTA410 Users Manual Unpacking The DSP-FTA410S Fiber Test Option Set includes the following items, which are shown in Figure 1: • Two DSP-FTA410 Fiber Test Adapters • Two ST/ST adapters • Four SC/ST 62.5 µm multimode patch cords • Two short ST/ST 62.5 µm multimode test jumpers •...

  • Page 12: Safety Information

    Safety Information Safety Information W Warning To avoid possible eye damage caused by hazardous radiation: • Never look directly into optical output connectors (see Figure 2). Some sources produce invisible radiation that can permanently damage your eyes. • Do not open the case; no user-serviceable parts are inside.

  • Page 13: Fiber Test Adapter Features

    DSP-FTA410 Users Manual Fiber Test Adapter Features Figure 2 describes the features of the DSP-FTA410 Fiber Test Adapter. OUTPUT INPUT tt11f.eps SC output connector. Transmits multimode optical signals at 850 nm and 1300 nm. SC input connector. Receives multimode optical signals at 850 nm and 1300 nm and singlemode optical signals at 1310 nm and 1550 nm.

  • Page 14: Getting Started

    Getting Started Getting Started This section describes how to connect the DSP-FTA410 units and verify their operation. Attach a DSP-FTA410 unit to your DSP-4000 test tool, as shown in Figure 3. Attach the second DSP-FTA410 unit to the DSP-4000 remote unit. The DSP-FTA410 units are identical, so either one can be attached to the remote.

  • Page 15: Cleaning The Fiber Connections

    Run the self test from the test tool’s SPECIAL FUNCTIONS mode. If the self test fails, verify that your patch cords are good, clean the fiber endfaces; then run the self test again. If it continues to fail, contact Fluke as described under "Contacting Fluke".
  • Page 16 Getting Started Patch cords of the same type as the fiber to be tested and SC at test tool ends Adapters OUTPUT INPUT OUTPUT INPUT DSP-FTA410 FIBER TEST ADAPTER DSP-FTA410 FIBER TEST ADAPTER DSP-4000 SMART REMOTE DSP-4000 CABLE ANALYZER PASS TESTING FAIL Test tool...

  • Page 17: Summary Of Fiber Test Settings

    Smart Remote Mode uses two DSP-FTA410 units. Loopback Mode uses one DSP-FTA410 unit. Far End Source Mode requires a separate optical source, such as the Fluke FOS-850/1300 multimode source or the Fluke LS-1310/1550 laser source. Figures 8, 9, and 10 show the three configurations.

  • Page 18: Setting Up For Fiber Tests

    Your DSP-4000 test tool is programmed with the standards available when the unit left the factory. When new standards emerge, they will be included with DSP-4000 software upgrades available from Fluke. Refer to the DSP-4000 Users Manual for information on upgrades. Or, contact Fluke on the World Wide Web at www.fluke.com.

  • Page 19: Setting The Remote End Configuration

    • Far End Source Mode is used with a laser source, such as the Fluke LS-1310/1550 Laser Source, to test singlemode fiber. You can also use Far End Source Mode with a separate multimode source, such as the Fluke FOS-850/1300 Fiber Optic Source. (Refer to Figure 10.)

  • Page 20: Setting The Number Of Adapters And Splices

    Setting Up for Fiber Tests Setting the Number of Adapters and Splices Some test standards use a calculated limit for the loss test. This limit includes the number of adapters and splices in the link. In the test tool’s SETUP mode, enter the number of adapters and number of splices added in each direction of the fiber path since the reference was set.

  • Page 21: Setting A Reference For Smart Remote Mode

    DSP-FTA410 Users Manual Setting a Reference for Smart Remote Mode Turn on the test tool and the remote. Let the DSP-FTA410 units warm up for five minutes. Set the remote end configuration to Smart Remote Mode. Choose four known-good SC/ST patch cords. Clean all fiber endfaces. Note If the fiber to be tested does not use ST adapters, select patch cords with SC adapters on one end and the appropriate adapters on the...
  • Page 22 Setting Up for Fiber Tests Patch cords of the same type as the fiber to be tested and SC at test tool ends Adapters OUTPUT INPUT OUTPUT INPUT DSP-FTA410 FIBER TEST ADAPTER DSP-FTA410 FIBER TEST ADAPTER DSP-4000 SMART REMOTE DSP-4000 CABLE ANALYZER PASS TESTING...

  • Page 23: Setting A Reference For Loopback Mode

    DSP-FTA410 Users Manual Setting a Reference for Loopback Mode Turn on the test tool. Let the DSP-FTA410 units warm up for five minutes. Set the remote end configuration to Loopback Mode. Choose two known-good SC/ST patch cords. Clean all fiber endfaces. Note If the fiber to be tested does not use ST adapters, select patch cords with SC adapters on one end and the appropriate adapters on the...

  • Page 24: Setting A Reference For Far End Source Mode

    1310 OFF 1550 CAUTION SOURCE ACTIVE DSP-FTA410 FIBER TEST ADAPTER LOW BATTERY DSP-4000 CABLE ANALYZER Test tool Optical source with fiber test (such as adapter Fluke LS-1310/1550 EXIT LS-1310/1550 LASER SOURCE FAULT or FOS-850/1300) TALK INFO SAVE TEST ENTER MONITOR SINGLE...

  • Page 25: Changing The Index Of Refraction

    You use an Autotest on multimode fiber links to check optical power loss (at 850 nm and 1300 nm), fiber length, and propagation delay. If you use an optional multimode source, such as the Fluke FOS-850/1300 source, Autotest measures optical power loss only.
  • Page 26 Running an Autotest Singlemode fiber links are tested for loss at 1310 nm and 1550 nm (a separate laser source is required). Run an Autotest as follows: Turn the test tool’s rotary switch to AUTOTEST and turn on the remote (if used).
  • Page 27 DSP-FTA410 Users Manual Optical test jumpers Fiber Link Optical patch cords Optical patch cords (SC at test tool ends) (SC at test tool ends) OUTPUT INPUT OUTPUT INPUT Optical Connections DSP-FTA410 FIBER TEST ADAPTER DSP-FTA410 FIBER TEST ADAPTER DSP-4000 SMART REMOTE DSP-4000 CABLE ANALYZER PASS...
  • Page 28 Running an Autotest Optical test jumper Optical patch cords (SC at test tool ends) Fiber under test OUTPUT INPUT Optical Connections DSP-FTA410 FIBER TEST ADAPTER DSP-4000 CABLE ANALYZER EXIT FAULT TALK INFO Test tool SAVE TEST ENTER MONITOR SINGLE with fiber test SETUP TEST AUTO...
  • Page 29 DSP-FTA410 Users Manual Optical test jumper Fiber link Optical patch cord Optical patch cord (SC at test tool end) OUTPUT INPUT Optical connections 1310 OFF 1550 DSP-FTA410 FIBER TEST ADAPTER CAUTION SOURCE ACTIVE LOW BATTERY DSP-4000 CABLE ANALYZER Test tool Optional laser with fiber test source...

  • Page 30: Saving Autotest Results

    Saving Autotest Results Saving Autotest Results To save the results of the last Autotest, press S. Use the test tool’s alphanumeric display to enter one or two fiber names, depending on which remote end configuration was used: • In Smart Remote Mode, the test tool saves two reports for each Autotest: one for the fiber connected to the output port and one for the fiber connected to the input port.

  • Page 31: Autotest Results For Smart Remote Mode

    DSP-FTA410 Users Manual Autotest Results for Smart Remote Mode This section describes the DSP-FTA410 fiber tests and the results produced when you run an Autotest using Smart Remote Mode. The descriptions of loss and length tests also apply to Single Tests using Smart Remote Mode. To see the complete results for a test, press ! View Result on the first Autotest display, use D to highlight the desired test, then press E.
  • Page 32 Autotest Results for Smart Remote Mode Table 2. Loss Results for Smart Remote Mode Result Description Fiber The fiber (output or input) that corresponds to the test results. If bi-directional testing is enabled, the output fiber is the fiber you connected to the output port of the main unit after swapping the fibers.

  • Page 33: Length Results For Smart Remote Mode

    DSP-FTA410 Users Manual Length Results for Smart Remote Mode The test tool determines fiber length by measuring the propagation delay through the fiber, then using the index of refraction to calculate the length. Table 3 describes the length results for Smart Remote Mode. Table 3.

  • Page 34: Bi-Directional Testing

    Bi-Directional Testing Bi-Directional Testing When you need to test fibers in both directions, the DSP-FTA410 units can perform bi-directional testing and save the bi-directional results for each fiber. You enable this feature in the SETUP mode under BI-DIRECTIONAL TEST. Swapping Connections To get bi-directional results for Smart Remote Mode, the test tool stops halfway through a bi-directional Autotest and prompts you to swap the fiber connections.

  • Page 35: Autotest Results For Loopback Mode

    DSP-FTA410 Users Manual Autotest Results for Loopback Mode This section describes the Autotest results for Loopback Mode. The descriptions of loss, length, and propagation delay tests also apply to Single Tests using Loopback Mode. To see the complete results for a test, press ! View Result on the first Autotest display, use D to highlight the desired test, then press E.

  • Page 36: Length Results For Loopback Mode

    Autotest Results for Loopback Mode Table 4. Loss Results for Loopback Mode Result Description Direction Direction A-B is from the output port to the input port (A-B) using the connections made when you started the Autotest. Loss (dB) The combined loss of all fibers in the link under test. Loss is automatically measured at both 850 nm and 1300 nm.

  • Page 37: Autotest Results For Far End Source Mode

    DSP-FTA410 Users Manual Autotest Results for Far End Source Mode An Autotest using Far End Source Mode measures loss for singlemode or multimode fibers. The Autotest runs continuously until the e key is pressed. Table 6 describes the results. The results display also features softkeys that are available only for Far End Source Mode: •...
  • Page 38 Autotest Results for Far End Source Mode Table 6. Loss Results for Far End Source Mode Result Description PASS/FAIL Pass means the power loss is less than allowed by the limit. Fail means the loss exceeded the limit. Loss (dB) The measured optical power loss.

  • Page 39: Single Tests

    DSP-FTA410 Users Manual Single Tests The SINGLE TEST mode on the DSP-4000 rotary switch lets you run individual fiber tests. Single Tests are useful for quick checks of continuity, length, or loss, and for isolating faults and testing repairs. Single Tests run continuously, so you can make adjustments to a link and watch the results as they happen.

  • Page 40: Single Tests For Loopback Mode

    Single Tests Single Tests for Loopback Mode Use these tests to troubleshoot fiber links, test patch cords, and check spools of fiber before installation. • Total Loss: Measures the optical power loss between the output and input ports of the DSP-FTA410 unit. If two fibers are connected end-to- end with a loopback cable, the total loss of both fibers is displayed.

  • Page 41: Monitoring Optical Power

    DSP-FTA410 Users Manual Monitoring Optical Power You can use the MONITOR position of the DSP-4000 rotary switch to monitor the output power produced by a source such as an optical network interface card or optical test equipment. You can also monitor the power received at the end of a fiber link.
  • Page 42 Monitoring Optical Power Optical patch cord (SC at test tool end) OUTPUT INPUT OUTPUT DSP-FTA410 FIBER TEST ADAPTER DSP-4000 CABLE ANALYZER Test tool Optical network interface card with fiber test adapter or optical power source EXIT FAULT TALK INFO SAVE TEST ENTER MONITOR...

  • Page 43: Using The Talk Mode

    DSP-FTA410 Users Manual Using the Talk Mode With two DSP- FTA410 Fiber Test Adapters, you can use the DSP-4000 headsets for two-way voice communication over the two fibers under test. To use the Talk mode, connect the main and remote units for Smart Remote Mode, then press V on either unit.
  • Page 44 Using the FindFiber™ Feature Table 7. Main Unit Results for the FindFiber Test (Smart Remote Mode) Results Description Receiving Near End: FAIL The main unit’s INPUT fiber path is not complete. The main unit cannot determine Receiving Far End: the state of the OUTPUT fiber path. Receiving Near End: PASS The main unit’s INPUT fiber path is...
  • Page 45 DSP-FTA410 Users Manual Fiber Link OUTPUT INPUT OUTPUT INPUT DSP-FTA410 FIBER TEST ADAPTER DSP-FTA410 FIBER TEST ADAPTER DSP-4000 SMART REMOTE DSP-4000 CABLE ANALYZER PASS TESTING FAIL TALKING LOW BATTERY EXIT Remote TALK FAULT Test tool TALK INFO SAVE TEST ENTER with fiber test MONITOR with fiber test...
  • Page 46 Using the FindFiber™ Feature Fiber Link OUTPUT INPUT DSP-FTA410 FIBER TEST ADAPTER DSP-4000 CABLE ANALYZER EXIT FAULT Test tool TALK INFO SAVE TEST ENTER with fiber test MONITOR SINGLE SETUP TEST AUTO PRINT TEST adapter SPECIAL FUNCTIONS tt13f.eps Figure 13. Using FindFiber with a Loopback Cable...

  • Page 47: Configuring A Custom Fiber Test

    DSP-FTA410 Users Manual Configuring a Custom Fiber Test In some cases, you might want to create your own custom test, rather than use the standard tests stored in your test tool. The test tool’s Configure Custom Test function lets you define up to four custom fiber standards. You can set the following parameters for fiber tests: •...

  • Page 48: Fiber Test Reports

    Connections". Always cover the connectors with a dust cap when not in use. Do not open the DSP-FTA410 case. There are no user-serviceable parts inside. Calibration Have the DSP-FTA410 units calibrated at an authorized Fluke Service Center every 12 months.

  • Page 49: Repair

    Repair If a DSP-FTA410 unit requires service, pack it in the original shipping container and send it, postage paid and insured, to the nearest Fluke Service Center. Include a written description of the problem. Fluke assumes no responsibility for shipping damage. Refer to the warranty for warranty repair terms.
  • Page 50 Replacement Parts and Accessories Table 9. Replacement Parts and Accessories Fluke Part Number Description or Model Number µ SC/ST patch cord, multimode, 62.5 FOC-ST/SC µ ST/ST test jumper, multimode, 62.5 NF230 ST/ST adapter NF300SM SC/SC adapter NF310SM Dust cap for the SC connector on the DSP-FTA410...

  • Page 51: Specifications

    DSP-FTA410 Users Manual Specifications General Specifications Power supply: ±6 V supplied by the DSP-4000 test tool. Temperature range: Operating: 0 ºC to +40 ºC; Storage: -10 ºC to +60 ºC Warm-up time: 5 minutes Humidity range: Operating: 0 % to 75 % RH, non-condensing Storage: 0 % to 95 % RH, non-condensing Certifications: Dimensions: 3.3”...

  • Page 52: Fiber Troubleshooting Guide

    Appendix A Fiber Troubleshooting Guide Table 10 on the next page lists some common problems in fiber links and gives possible causes.
  • Page 53 DSP-FTA410 Users Manual Table 10. Common Problems in Fiber Links Problem Possible Causes No power is The optical source is defective. measured at a source The patch cord is defective. Power loss is much The fibers are connected to the wrong ports on a more than expected DSP-FTA410 unit.

  • Page 54: Glossary

    Appendix B Glossary Adapter A device used to mate fiber connectors of the same or different styles. Attenuation A loss of optical power, mostly due to poor connections or to light diffusion caused by imperfections in the fiber material (scattering). Bandwidth The range of frequencies a fiber can transmit without significant power loss.
  • Page 55 DSP-FTA410 Users Manual A unit of power (in decibels), assuming a reference of 1 mW (1/1000 of a watt). The dBm unit expresses loss or gain as a ratio of output power to the reference power, as follows:   output power ...
  • Page 56 Glossary Margin The difference between the measured power loss and the maximum loss allowed for the link. Microbending losses Light losses due to microscopic imperfections in a fiber. Multimode fiber Fiber with a relatively large core (50 µm or more) that offers many paths, or modes, for propagation of light.
  • Page 57 DSP-FTA410 Users Manual SC connector Subscription Channel Connector. An optical connector that originated in Japan and provides push-pull connections, low loss, and low backreflection. Singlemode fiber Fiber with a small core (8 µm to 10 µm) that offers just one path, or mode, for propagation of light.

  • Page 58: Index

    Loopback Mode connections, 19 when to use, 10 Loopback Mode results, 26 fiber type, selecting, 9 running, 16 FindFiber, 35 saving results, 21 Fluke, contacting, 40 Smart Remote Mode connections, —G— Smart Remote Mode results, 21 glossary, 45 —B— —H—...
  • Page 59 Loopback Mode, 28 testing the DSP-FTA410, 6 Smart Remote Mode, 24 —V— —R— voice communications, 34 reference, 11 volume for talk mode, 34 Loopback Mode, 14 —W— Smart Remote Mode, 12 remote end configuration website, Fluke, 40 which to use, 10...

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