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DTX-MFM/SFM Fiber Modules 
Users Manual 

Autotest in Loopback Mode 

Use Loopback mode to test spools of cable, segments of 
uninstalled cable, and patch cords.  

In this mode, the tester measures loss, length, and 
propagation delay at two wavelengths in one or both 
directions. 

Figure 8 shows the equipment required for testing fiber 
in Loopback mode.  

 

 

 

 

 

 

 

22 

Содержание DTX-MFM

Страница 1: ...DTX MFM SFM Fiber Modules Users Manual PN 2142235 April 2004 2004 Fluke Corporation All rights reserved Printed in USA All product names are trademarks of their respective companies ...

Страница 2: ...ive product which is returned to a Fluke Networks authorized service center within the warranty period To obtain warranty service contact your nearest Fluke Networks authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke Net works assumes no risk for d...

Страница 3: ...itional Resources for Cable Testing Information 2 Unpacking 3 DTX MFM Multimode Fiber Modules 3 DTX SFM Singlemode Fiber Modules 3 Safety Information 4 Getting Acquainted 6 Installing and Removing Fiber Modules 6 Physical Features 7 Essentials for Reliable Fiber Test Results 8 Cleaning Connectors and Adapters 8 About Setting the Reference 9 i ...

Страница 4: ...e 17 Autotest in Loopback Mode 22 Autotest in Far End Source Mode 28 Using the Visual Fault Locator 33 Monitoring Optical Power 36 Options and Accessories 39 Maintenance 41 Replacing Fiber Patch Cords 41 Using the Smart Remote with an OptiFiber Certifying OTDR 42 Certification Compliance and Regulatory Information 42 Appendix A Test Method Reference Tables A 1 Index ii ...

Страница 5: ...nnections Modified Method B 21 8 Equipment for Testing in Loopback Mode 23 9 Loopback Mode Reference Connections Modified Method B 25 10 Loopback Mode Test Connections Modified Method B 27 11 Equipment for Testing in Far End Source Mode 28 12 Far End Source Mode Reference Connections Modified Method B 31 13 Far End Source Mode Test Connections Modified Method B 32 14 Equipment for Using the Visual...

Страница 6: ...DTX MFM SFM Fiber Modules Users Manual iv ...

Страница 7: ...m and 1550 nm Each module transmits both wavelengths 850 nm and 1300 nm 1310 nm and 1550 nm Provides pass fail results based on industry standard limits Visual fault locator helps you locate breaks bad splices bends and check fiber continuity and polarity FindFiber function helps you identify and verify fiber connections Registration Registering your product with Fluke Networks gives you access to...

Страница 8: ...rence Handbook The DTX Series CableAnalyzer Technical Reference Handbook provides additional information on the tester and the fiber modules The handbook is available on the DTX CableAnalyzer Product CD included with your modules and on the DTX CableAnalyzer product page on the Fluke Networks website Additional Resources for Cable Testing Information The Fluke Networks Knowledge Base provides answ...

Страница 9: ...th 3 mm jackets DTX MFM SFM Fiber Modules Users Manual DTX CableAnalyzer Product CD LinkWare Software CD DTX SFM Singlemode Fiber Modules Two DTX SFM Fiber Modules for testing at 1310 nm and 1550 nm Two SC SC adapters Four 9 125 µm singlemode patch cords 2 m SC SC Two 9 125 µm singlemode patch cords 0 3 m SC SC DTX MFM SFM Fiber Modules Users Manual DTX CableAnalyzer Product CD LinkWare Software C...

Страница 10: ...ith a dust cap or keep a patch cord attached The OUTPUT port may be active even when a test is not in progress Covering the port reduces the risk of accidental exposure to hazardous radiation Never start a test or activate the OUTPUT port or VFL port without first connecting a fiber to the port you will use Never look directly into the visual fault locator output Momentary exposure to the locator ...

Страница 11: ...ning procedures to clean all fiber connectors before every use Neglecting this step or using improper procedures can cause unreliable test results and may permanently damage the connectors Use a Fluke Networks FiberInspector Video Microscope to periodically inspect the fiber module s OUTPUT connector for scratches and other damage Do not use a video microscope to inspect the fiber module s INPUT c...

Страница 12: ...ng modules The following sections introduce the fiber modules features Installing and Removing Fiber Modules Figure 1 shows how to install and remove the fiber modules Caution Leave the module bay covers in place when the fiber modules are not installed amd34f eps Figure 1 Installing and Removing Fiber Modules 6 ...

Страница 13: ...ous or blinking SC input connector with dust cap Receives optical signals for loss length and power measurements SC output connector with dust cap Transmits optical signals for loss and length measurements The LED below the connector is red when the output is active at 850 nm DTX MFM or 1310 nm DTX SFM and green for 1300 nm DTX MFM or 1550 nm DTX SFM A B C E D amd64f eps W Warning Never look direc...

Страница 14: ...5 mm foam swab for cleaning the tester s optical connectors Bulkhead connectors Dip the tip of a foam swab in alcohol then touch the swab to a dry wipe Touch a new dry swab to the alcohol spot on the wipe Push the swab into the connector twist it around 3 to 5 times against the endface then remove and dispose of the swab Dry the connector with a dry swab by twisting it around in the connector 3 to...

Страница 15: ... day using the remote end setup Figures 7 through 13 you will use that day Anytime you reconnect a patch cord to the module s output or other source Anytime the tester warns you that the reference is out of date Anytime you see a negative loss measurement See the Technical Reference Handbook for more information You must set the reference at these times Anytime you change the fiber module in the t...

Страница 16: ...te standard for mandrel requirements if you follow other standards Table 1 shows a partial list of mandrel requirements for TIA and ISO standards Figure 3 shows how to wrap the fiber around a mandrel Place mandrels on the tester s output fibers as shown in Figures 6 through 13 In the reference and test connection diagrams shown on the tester mandrels are indicated by a loop in the fiber Table 1 TI...

Страница 17: ...ing a Patch Cord Around a Mandrel Testing Your Patch Cords You should test your patch cords before each job Use another set of known good patch cords to set a reference and run an Autotest on each patch cord Use Smart Remote mode to test two patch cords at a time or Loopback mode to test one patch cord For SC SC patch cords you can also use the method described in TIA EIA TSB140 11 ...

Страница 18: ...UP Fiber Fiber Type Select a fiber type that is appropriate for the type you will test SETUP Fiber Test Limit Select the appropriate test limit for the job The tester compares the fiber test results to the selected test limit to produce PASS or FAIL results SETUP Fiber Remote End Setup Use Smart Remote mode for testing dual fiber cabling Use Loopback mode for testing patch cords and cable spools U...

Страница 19: ...cted limit uses a calculated loss limit enter the number of adapters and splices that will be added to the fiber path after the reference is set Figure 4 shows an example of how to determine the Number of Adapters setting Only limits that use maximum values for loss per km loss per connector and loss per splice use a calculated limit for overall loss For example limits for fiber backbones use a ca...

Страница 20: ...connections PASS TEST FAIL PASS TEST FAIL Loss of reference adapters removed during referencing Measurement includes loss of 2 adapters in each path NUMBER OF ADAPTERS setting 2 Smart Remote mode reference connections amd65f eps Figure 4 Example of How to Determine the Number of Adapters Setting 14 ...

Страница 21: ...nnections shown in the standards The modified connections let you connect to links that do not use SC connectors while ensuring Method B results For links with small form factor SFF connectors or different connector types at each end use hybrid patch cords or alternate reference and test connections See the Technical Reference Handbook or visit the Fluke Networks Knowledge Base for suggestions Met...

Страница 22: ...he index of refraction until the measured length matches the known length of a fiber Increasing the index of refraction decreases measured length SPECIAL FUNCTIONS Set Reference Patch Lengths softkey on the View Connections screen Setting a reference sets the baseline power level for loss measurements See About Setting the Reference o n page 9 After you set the reference you can enter the lengths ...

Страница 23: ...one or both directions Figure 5 shows the equipment required for testing fiber in Smart Remote mode Wi ip pe e 1 2 3 4 5 6 7 8 TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 TEST LOW BATTERY TONE TALK FAIL TEST PASS TALK amd46f eps A Tester and smart remote with fiber modules B Memory card optional C Two ac adapters with line cords optional D Four patch co...

Страница 24: ... Enter the number of adapters and splices that will be added to each direction of the fiber path after the reference is set Connector Type Select the connector type used in the cabling to be tested Select General if the exact type is not listed Test Method Refers to the number of adapters represented in the loss results Select Method B if you use the reference and test connections shown in this ma...

Страница 25: ...tors to be tested with SC at tester end TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 TALK TEST PASS TEST FAIL TALK TONE Mandrel Mandrel Mandrels used only for multimode fiber amd47f eps Figure 6 Smart Remote Mode Reference Connections Modified Method B 19 ...

Страница 26: ...ctions are good Verify that the tester at the other end is on The tester cannot activate a sleeping or powered down tester at the far end through the fiber modules Try different connections at the patch panel Use the visual fault locator to verify fiber continuity If bi directional testing is enabled the tester prompts you to switch the fibers halfway through the test Switch the fibers at the patc...

Страница 27: ...ords TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 TALK TEST PASS TEST FAIL TALK TONE Mandrel Mandrels used only for multimode fiber Mandrel Short patch cords amd48f eps Figure 7 Smart Remote Mode Test Connections Modified Method B 21 ...

Страница 28: ...Loopback mode to test spools of cable segments of uninstalled cable and patch cords In this mode the tester measures loss length and propagation delay at two wavelengths in one or both directions Figure 8 shows the equipment required for testing fiber in Loopback mode 22 ...

Страница 29: ...Memory card optional C AC adapter with line cord optional D Two patch cords match fiber and connectors to be tested SC at tester end E One short patch cord match fiber and connectors to be tested F Three adapters of the appropriate type G Mandrel Recommended when testing multimode fiber See page 10 H Fiber cleaning supplies Figure 8 Equipment for Testing in Loopback Mode 23 ...

Страница 30: ...ter the number of adapters and splices that will be added to each direction of the fiber path after the reference is set Connector Type Select the connector type used in the cabling to be tested Select General if the exact type is not listed Test Method Refers to the number of adapters represented in the loss results Select Method B if you use the reference and test connections shown in this manua...

Страница 31: ... fiber and connectors to be tested with SC at tester end TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 Mandrel used only for multimode fiber amd50f eps Figure 9 Loopback Mode Reference Connections Modified Method B 25 ...

Страница 32: ...e patch cords to the cabling The tester shows connections for the test method you selected Figure 10 shows connections for Method B Turn the rotary switch to AUTOTEST Verify that the media type is set to Fiber Press J Change Media to change it if necessary Press P If bi directional testing is enabled the tester prompts you to switch the fibers halfway through the test Switch the fibers at the adap...

Страница 33: ...s Fiber under test Patch cords Short patch cord TALK TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 Mandrel used only for multimode fiber amd24f eps Figure 10 Loopback Mode Test Connections 27 ...

Страница 34: ...PECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 TEST LOW BATTERY TONE TALK FAIL TEST PASS TALK amd51f eps A Tester and smart remote with fiber modules B Memory card optional C Two AC adapters with line cords optional D Two patch cords match fiber and connectors to be tested SC at tester end E One short patch cord match fiber and connectors to be tested F One adapter of the appropriate t...

Страница 35: ...test limit required for the job Press J More to see other lists of limits Remote End Setup Set to Far End Source Bi directional Does not apply to Far End Source mode Number of Adapters and Number of Splices Enter the number of adapters and splices that will be added to each direction of the fiber path after the reference is set Connector Type Select the connector type used in the cabling to be tes...

Страница 36: ... Fiber Module next The Set Reference screen shows connections for the test method you selected Figure 12 shows connections for Method B Clean the connectors on the tester patch cords and source connect the tester and source then press P Caution If you disconnect the patch cord from the source s output port after setting the reference you must set the reference again to ensure valid measurements Cl...

Страница 37: ...LK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 Tester Mandrel used only for multimode fiber Smart remote Mandrel OUTPUT port TEST LOW BATTERY TONE TALK FAIL TEST PASS TALK Button activates output See page 30 amd68f eps Figure 12 Far End Source Mode Reference Connections Modified Method B 31 ...

Страница 38: ...tch cord Patch cord INPUT port Tester Mandrel TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 Mandrel used only for multimode fiber OUTPUT port TEST LOW BATTERY TONE TALK FAIL TEST PASS TALK amd52f eps Figure 13 Far End Source Mode Test Connections 32 ...

Страница 39: ...ropriate connector at one end and a SC ST or FC connector at the tester end Figure 14 shows the equipment needed for using the visual fault locator Wi ipe TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 1 2 3 4 TEST LOW BATTERY TONE TALK FAIL TEST PASS TALK amd61f eps A Tester or smart remote with fiber module B AC adapter with line cord optional C One patc...

Страница 40: ...tton near the VFL connector as shown in Figure 15 Press again to switch to flashing mode Press again to turn off the locator Look for the red light to locate fibers or faults Figure 15 To check continuity or trace fiber connections look for the red light at the end of the fiber To locate faults move along the fiber from either end looking for a red glow coming from the fiber jacket or a connector ...

Страница 41: ...module VFL connector TALK MO NIT OR ENTER TEST SAVE SPE CIA L FUNCTIO NS SET UP AU TO TES T SIN GLE TES T EXIT F1 F2 F3 Microbend or broken fiber Bad splice Sharp bend Broken fiber in connector Press once ON Press again Blinking Press again OFF amd23f eps Figure 15 Using the Visual Fault Locator 35 ...

Страница 42: ...nm and 1550 nm DTX SFM You can save the power measurement in this mode MONITOR mode Monitors power continuously at the input port at 850 nm 1300 nm 1310 nm or 1550 nm This measurement cannot be saved Figure 16 shows the equipment required for monitoring power in the MONITOR mode Wipe C A D TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 2 5 amd57f eps A Tes...

Страница 43: ...Use the patch cord to connect the source to the tester s input port as shown in Figure 17 Turn on the source Turn the rotary switch to MONITOR then select Power Meter You do not need to select a fiber type or test limit Select the correct wavelength then press P To change the wavelength after starting the test press L Change λ 37 ...

Страница 44: ...ard or optical power source Optical network interface card or optical power source INPUT port INPUT port TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 OUTPUT OUTPUT TALK MONITOR ENTER TEST SAVE SPECIAL FUNCTIONS SETUP AUTO TEST SINGLE TEST EXIT F1 F2 F3 amd58f eps Figure 17 Connections for Monitoring Optical Power 38 ...

Страница 45: ...uke Networks as described on page 2 Table 3 Options and Accessories Option or Accessory Fluke Networks Model Number Fiber Jack Accessory Kit 62 5 µm multimode NFK1 FJ LC Accessory Kit 62 5 µm multimode NFK1 LC MT RJ Accessory Kit 62 5 µm multimode NFK1 MTRJ MT RJ Accessory Kit 50 µm multimode NFK2 MTRJ VF 45 Accessory Kit 62 5 µm multimode NFK1 VF45 VF 45 Accessory Kit 50 µm multimode NFK2 VF45 ST...

Страница 46: ...C Simplex 62 5 µm 1m patch cord FOC ST FC ST ST Simplex 62 5 µm 1m patch cord FOC ST ST ST SC Simplex 62 5 µm 1m patch cord FOC ST SC ST SMA Simplex 62 5 µm 1m patch cord FOC ST SMA ST FC Simplex Singlemode 1m patch cord NF120SM ST ST Simplex Singlemode 1m patch cord NF100SM ST SC Simplex Singlemode 1m patch cord NF110SM SC SC Simplex 62 5 µm 1m patch cord NF215 ST ST Simplex 62 5 µm 1m patch cord...

Страница 47: ...ls and two gray 62 5 µm mandrels NFK1 MANDREL KIT Maintenance Follow the maintenance procedures given in the DTX Series CableAnalyzer Users Manual Clean the optical connectors as described on page 8 Replacing Fiber Patch Cords Choose replacement fiber optic patch cords that meet the following requirements Core and cladding size match the fiber to be tested Connector polish PC or UPC Patch cord len...

Страница 48: ...s and length with the OptiFiber loss length option in Smart Remote mode You can buy a smart remote separately for this purpose See the Fluke Networks website or contact Fluke Networks for details Certification Compliance and Regulatory Information N10140 Conforms to relevant Australian standards P Conforms to relevant European Union directives Listed by the Canadian Standards Association Laser saf...

Страница 49: ... the three fiber test methods Table A 1 Test Method Names Link End Connections Included in Loss Results This Manual TIA EIA 526 14A multimode TIA EIA 526 7 singlemode IEC 61280 4 1 multimode IEC 61280 4 2 singlemode 1 connection Method A Method A Method A 2 Method 1 Method A2 2 connections Method B Method B Method A 1 Method 2 Method A1 None Method C Method C Method A 3 Method 3 Method A3 A 1 ...

Страница 50: ...ication Test Method as named in this manual TIA 568 B B ISO 11801 B EN50173 B 10BASE FB A 10BASE FP A 10BASE FL A 10 100BASE SX B 100BASE FX B 1000BASE LX B 1000BASE SX B Standard or Application Test Method as named in this manual 10GBASE S B 10GBASE L B 10GBASE LX B 10GBASE E B Fibre Channel B ATMl B FDDI B Token Ring B Fluke Networks General Fiber B A 2 ...

Страница 51: ...ode 17 reference connections 31 Loopback mode test connections Modified Method B 32 B Autotest 24 equipment 23 Fiber Type 12 Bi Directional 13 reference connections 25 Fluke Networks results 26 contacting 2 test connections Modified Method B 27 C Knowledge Base 2 loss is negative 9 cautions 4 I cleaning connectors and adapters 8 connections See Smart Remote Loopback or Far End Source mode index of...

Страница 52: ...ower meter 36 R reference alternate connections 15 Far End Source mode 30 Loopback mode 24 Smart Remote mode 18 when to set 9 registration 1 Remote End Setup 12 S safety 4 settings 12 SFF connectors 15 small form factor connectors 15 Smart Remote mode Autotest 18 equipment 17 reference connections 19 results 22 test connections 21 T Test Limit 12 Test Method 43 U Unknown Smart Remote mode 20 V vis...

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