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Fluke DSP-FTA410 User Manual

Fluke DSP-FTA410 User Manual

Fiber test adapter
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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.

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  • Page 1 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 2 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 3: 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 4 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 5 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 6 Contents (continued)
  • Page 7 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 8 Contents (continued)

  • Page 9: Introduction

    Introduction The DSP-FTA410 Fiber Test Adapter lets you use a DSP-4000 CableAnalyzer™ test tool to test and certify fiber optic cable installations. The fiber test adapter includes the following features: • Autotest function measures optical power loss (at 850 nm and 1300 nm) and length on dual-fiber multimode links.

  • Page 10: 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 11: 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 12: 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 13: 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 14: 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 15 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...

  • Page 16: Summary Of Fiber Test Settings

    REMOTE END In SETUP, select Smart Remote, Loopback, CONFIGURATION or Far End Source Mode. 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.

  • Page 17: Setting Up For Fiber Tests

    DSP-LINK diskette included with your DSP-4000 test tool. Select a fiber test standard and cable type as follows: Attach a DSP-FTA410 unit to the DSP-4000 test tool. Turn the DSP-4000 test tool’s rotary switch to SETUP; then press E. Use the arrow keys to highlight the desired test standard; then press E.

  • Page 18: Setting The Remote End Configuration

    DSP-4000 main unit and one on the remote unit. (Refer to Figure 8.) • Loopback Mode uses just one DSP-FTA410 unit on the DSP-4000 main unit. (Refer to Figure 9.) You can use this mode to test a single fiber or a spool of fiber.

  • Page 19: Setting The Number Of Adapters And Splices

    The reference is used for power loss and delay measurements. Setting a reference lets your DSP-4000 test tool automatically subtract out the losses or delays due to patch cords or the DSP-FTA410 units. The loss and delay for a fiber under test is automatically calculated as the difference between the reference loss and delay and those values measured with the fiber inserted.

  • Page 20: Setting A Reference For Smart Remote Mode

    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.
  • Page 21 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...

  • Page 22: Setting A Reference For Loopback Mode

    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.

  • Page 23: Setting A Reference For Far End Source Mode

    Setting a Reference for Far End Source Mode Turn on the test tool and the optional source. Set the remote end configuration to Far End Source Mode. Let the DSP-FTA410 units warm up for five minutes. Let the optional source warm up as required.

  • Page 24: 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 25 Run an Autotest as follows: Turn the test tool’s rotary switch to AUTOTEST and turn on the remote (if used). Let the DSP-FTA410 units warm up for five minutes. Verify that the Autotest display shows the correct test standard, cable type, and remote end configuration.
  • Page 26 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...
  • Page 27 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...
  • Page 28 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...

  • Page 29: 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 30: Autotest Results For Smart Remote Mode

    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.
  • Page 31 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 32: 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.

  • Page 33: 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...

  • Page 34: 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 35: 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 36: 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 37 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 38: 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 39: Single Tests For Loopback Mode

    • Propagation Delay: Measures the total propagation delay of the of the fiber between the output and input ports of the DSP-FTA410 unit. • Power: Measures the optical power received at the input port on the main unit. Power is measured at 850 nm and 1300 nm.

  • Page 40: 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 41 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...

  • Page 42: 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 43 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 44 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...
  • Page 45 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 46: 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.

  • Page 47: Fiber Test Reports

    Clean the optical connectors as described under "Cleaning the Fiber 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...

  • Page 48: Repair

    DSP-FTA410 Users Manual 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.
  • Page 49 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 669991 Fiber Test Adapter LS-1310/1550 Laser Source LS-1310/1550 FOS-850/1300 Fiber Optic Source (multimode) FOS-850/1300 DSP-FTA410 Users Manual, English...

  • Page 50: 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...

  • Page 51: 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 52 Power loss is much The fibers are connected to the wrong ports on a more than expected DSP-FTA410 unit. The fibers are swapped at one end of the link. A patch cord is broken. Retest using a different set of patch cords.

  • Page 53: 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 54 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:  ...
  • Page 55 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 56 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 57: 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 58 —P— —T— power softkey, 28 talk mode, 34 propagation delay test standard, selecting, 9 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—...

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