User Guide FTB-3930 Multifunction Loss Tester
Copyright © 2004–2014 EXFO Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, be it electronically, mechanically, or by any other means such as photocopying, recording or otherwise, without the prior written permission of EXFO Inc. (EXFO). Information provided by EXFO is believed to be accurate and reliable.
Contents Contents Certification Information ........................................................................................................ v 1 Introducing the FTB-3930 Multifunction Loss Tester ................................. 1 Main Features .........................................................................................................................1 Typical Applications ................................................................................................................
Contents 10 Identifying Fiber Faults Visually ................................................................61 11 Communicating with Other Users .............................................................63 Sending and Receiving Text Messages ..................................................................................63 Communicating by Voice ......................................................................................................66 12 Maintenance ...................................
Certification Information Certification Information North America Regulatory Statement This unit was certified by an agency approved in both Canada and the United States of America. It has been evaluated according to applicable North American approved standards for product safety for use in Canada and the United States. Electronic test and measurement equipment is exempt from FCC part 15, subpart B compliance in the United States of America and from ICES-003 compliance in Canada. However, EXFO Inc.
1 Introducing the FTB-3930 Multifunction Loss Tester The FTB-3930 Multifunction Loss Tester integrates a power meter and light sources with an optical return loss meter, optional talk set and visual fault locator. Main Features The unit features FASTEST™, EXFO’s one-touch automated measurement. In 10 seconds, you can simultaneously test IL and ORL at up to four wavelengths, in both directions. During the same test, the unit also determines fiber length.
Introducing the FTB-3930 Multifunction Loss Tester Main Features The power meter has the following characteristics: Ge, GeX or InGaAs detector with 40 calibrated wavelengths to measure absolute power or link loss Editable list of favorite wavelengths for easy access Modulated signal detection No offset nulling required in normal operation The light source has the following characteristics: Singlemode port (two or three wavelengths), also used for FASTEST and ORL.
Introducing the FTB-3930 Multifunction Loss Tester Typical Applications Other test utilities: Text messaging Full-duplex digital talk set (optional) Visual fault locator to inspect or identify fibers (optional) Result processing and analysis features (also available in the FastReporter application): Analyze data acquired on the field using a tabular format Customizable test thresholds with visual pass/fail analysis Transfer data from the FOT-930 Multifunction Loss Tester (using the H
Introducing the FTB-3930 Multifunction Loss Tester Conventions Conventions Before using the product described in this guide, you should understand the following conventions: WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. Do not proceed unless you understand and meet the required conditions. CAUTION Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury.
2 Safety Information WARNING Do not install or terminate fibers while a light source is active. Never look directly into a live fiber and ensure that your eyes are protected at all times. WARNING The use of controls, adjustments and procedures, namely for operation and maintenance, other than those specified herein may result in hazardous radiation exposure or impair the protection provided by this unit.
Safety Information Other Safety Symbols on Your Unit Other Safety Symbols on Your Unit One or more of the following symbols may also appear on your unit. Symbol Meaning Direct current Alternating current The unit is equipped with an earth (ground) terminal. The unit is equipped with a protective conductor terminal. The unit is equipped with a frame or chassis terminal.
Safety Information Laser Safety Information (Units without VFL) Laser Safety Information (Units without VFL) Your instrument is a Class 1 laser product in compliance with standards IEC 60825-1: 2007 and 21 CFR 1040.10, except for deviations pursuant to Laser Notice No. 50, dated June 24, 2007. Invisible laser radiation may be encountered at the output port.
Safety Information Electrical Safety Information Electrical Safety Information CAUTION When you use the unit outdoors, ensure that it is protected from liquids, dust, direct sunlight, precipitation, and full wind pressure.
3 Customizing Your Multifunction Loss Tester Note: Your screen display may differ slightly from the figures in this user documentation depending on the platform you are using. To set a length/distance unit and data display color (for the FTB-500): 1. From the main window, press Setup, then select the Preferences tab. 2. Select the desired unit. In the case of the FTB-500 platform, you can also select the background color. Note: The length unit affects thresholds and fiber length only.
Customizing Your Multifunction Loss Tester To automate adding and saving results: 1. From the main window, press Setup, then select the Preferences tab. 2. Select one or more of the following options: Save file after adding each result to list: if you select this option, you will not need to manually save your file (with Save or Save As) after adding your result to the Tested fibers list. The asterisk will never appear in the title bar.
4 Setting Up Your Multifunction Loss Tester Installing the EXFO Universal Interface (EUI) The EUI fixed baseplate is available for connectors with angled (APC) or non-angled (UPC) polishing. A green border around the baseplate indicates that it is for APC-type connectors. Green border indicates APC option Bare metal (or blue border) indicates UPC option To install an EUI connector adapter onto the EUI baseplate: 1. Hold the EUI connector adapter so the dust cap opens downwards. 2 3 4 2.
Setting Up Your Multifunction Loss Tester Cleaning and Connecting Optical Fibers Cleaning and Connecting Optical Fibers IMPORTANT To ensure maximum power and to avoid erroneous readings: Always inspect fiber ends and make sure that they are clean as explained below before inserting them into the port. EXFO is not responsible for damage or errors caused by bad fiber cleaning or handling. Ensure that your patchcord has appropriate connectors. Joining mismatched connectors will damage the ferrules.
Setting Up Your Multifunction Loss Tester Cleaning and Connecting Optical Fibers 3. Carefully align the connector and port to prevent the fiber end from touching the outside of the port or rubbing against other surfaces. If your connector features a key, ensure that it is fully fitted into the port’s corresponding notch. 4. Push the connector in so that the fiber-optic cable is firmly in place, thus ensuring adequate contact.
Setting Up Your Multifunction Loss Tester Setting Autonaming Scheme Setting Autonaming Scheme When starting a new file, the unit suggests an initial fiber name. After adding a result to the Tested fibers list, the unit prepares the next fiber name by incrementing the suffix. When you manually change the name for the first time (in Power Meter, ORL Meter or FASTEST), the unit then ignores autonaming settings. IMPORTANT To start using new autonaming settings, you must close the current file.
Setting Up Your Multifunction Loss Tester Setting Autonaming Scheme To set the autonaming scheme: 1. From the main window, press Setup, then select the Results tab. 2. Set the names/values, then press OK. Note: The cable name you set here will be the suggested file name when saving.
Setting Up Your Multifunction Loss Tester Setting Pass/Fail Thresholds Setting Pass/Fail Thresholds You can define groups of thresholds to specify acceptable power (in W or dBm), power reference (in dB), FASTEST loss (in dB and dB per distance unit) and ORL values (in dB) for each wavelength. Thresholds are supplied by system manufacturers and depend on the system deployed. Measurements exceeding a threshold are shown with an exclamation mark.
Setting Up Your Multifunction Loss Tester Setting Pass/Fail Thresholds To set power, loss or ORL thresholds: 1. From the button bar, press Setup, then select the Thresholds tab. Default threshold group (applies to FasTesT, Power Meter and ORL Meter tabs) Add wavelength and its thresholds Edit thresholds for selected wavelength Delete thresholds for selected wavelength 2. In the Threshold groups list, select a group to modify. OR Create a new group by pressing New.
Setting Up Your Multifunction Loss Tester Setting Pass/Fail Thresholds 4. In the Thresholds list, select a wavelength for which you want to set thresholds, then press Edit. OR Add a new wavelength to the list by pressing New. Wavelengths that are not supported by FASTEST are simply ignored in FASTEST result tables. dBm power units selected in Results tab Watt power units selected in Results tab 5.
5 Measuring Power or Loss The FTB-3930 Multifunction Loss Tester is equipped with an optical power meter to measure absolute power (in dBm or W) or insertion loss (in dB). The power meter port is independent of the FASTEST port.
Measuring Power or Loss Defining the List of Favorite Wavelengths Defining the List of Favorite Wavelengths You must put the wavelengths you want to use on a list of favorite wavelengths. Only wavelengths selected from this list are available for measurements. By default, the list contains 22 of the 40 calibrated wavelengths. It can contain a maximum of 30 wavelengths. Specifications are guaranteed for calibrated wavelengths only.
Measuring Power or Loss Defining the List of Favorite Wavelengths To customize the list of favorite and selected wavelengths: 1. From the button bar, press Setup, then select the Power Meter tab. 2. Scroll through the list. 3. Press on the highlighted wavelength to select/deselect it. An X appears beside selected wavelengths. 4. If a wavelength does not appear on the list, enter its value in the New wavelength box and press (or Add in the case of the FTB-200 v2).
Measuring Power or Loss Nulling Electrical Offsets Nulling Electrical Offsets Temperature and humidity variations affect the performance of electronic circuits and optical detectors. Nulling the electrical offsets eliminate these effects. Your unit has been designed not to require offset nulling under normal operation, but you should perform it whenever environmental conditions change significantly or when measuring very low power values. IMPORTANT Light must not reach detectors when nulling offsets.
Measuring Power or Loss Referencing Your Power Meter to a Source Referencing Your Power Meter to a Source In reference mode, your unit displays the loss created by the fiber under test only, since it subtracts a reference value from the measured power. Reference power Measured loss In the illustration, the reference value (-2.62 dBm) is subtracted from the actual power measured (-2.465 dBm).
Measuring Power or Loss Referencing Your Power Meter to a Source To reference the power meter to a source: 1. From the main window, select the Power Meter tab. 2. Check your fibers and clean them properly for optimum performance (see Cleaning and Connecting Optical Fibers on page 12). 3. Using one of the following methods, connect a light source to the power meter port of your unit.
Measuring Power or Loss Referencing Your Power Meter to a Source 5. Match the power meter wavelength with the source wavelength as follows: Scroll through the Wavelength list to switch between favorite wavelengths of your power meter (see Defining the List of Favorite Wavelengths on page 20). 6. Scroll through the Unit list until you get dB units to retrieve the last saved reference. OR Press Reference to save the current power as the new reference.
Measuring Power or Loss Measuring Power or Loss Measuring Power or Loss Measuring absolute power or link loss is done the same way, except for the referencing step. You can take power or loss measurements and save them for further analysis. CAUTION Connect high-power live fiber to the power meter port only. To perform power or loss measurements: 1. If necessary, perform an offset nulling (see Nulling Electrical Offsets on page 22). 2. From the main window, select the Power Meter tab. 3.
Measuring Power or Loss Measuring Power or Loss 6. Using bulkhead adapters or the system patch panels, connect a fiber under test to reference patchcords attached to the light source and power meter. Reference patchcord Bulkhead adapter Reference patchcord Fiber under test MULTITEST Bulkhead adapter Light source Adapter Power meter FTB-3930 7. Activate the source at the desired wavelength. 8.
Measuring Power or Loss Measuring Power or Loss 10. Add the displayed values to the Tested fibers list if you want. If auto-save is activated (see Customizing Your Multifunction Loss Tester on page 9), results are automatically saved after adding them to the list. 10a.Change the displayed cable and fiber names as needed. 10b.Press Add to save the value along with wavelength, reference power, date and time. The fiber name will increment automatically, ready to save the next value.
6 Measuring Optical Return Loss Optical return loss (ORL) is the total effect of multiple reflections and scattering events within a fiber-optic system. The FTB-3930 Multifunction Loss Tester is equipped with an ORL meter to measure ORL for singlemode fibers. The ORL meter uses the FASTEST SM (singlemode) port only.
Measuring Optical Return Loss Performing ORL Reference and Setting ORL Zero Value The ORL measurement procedure is outlined below: Null offsets (see page 22) Set ORL zero Perform ORL reference Set up thresholds (see page 16) Select wavelength Measure ORL Save results Performing ORL Reference and Setting ORL Zero Value The ORL zero measurement eliminates the effects of backreflection on the link before the component under test, so your unit displays only the backreflection of this component.
Measuring Optical Return Loss Performing ORL Reference and Setting ORL Zero Value FTB-3930 MULTITEST 3. Connect a patchcord to the FASTEST SM port. Termination Component under test 4. Terminate the fiber as close as possible before the component under test. Wrap it at least 10 turns around a mandrel or small diameter tool, adding turns until the reading stabilizes. 5. Press OK to save the ORL zero value, then remove the termination. To revert to the factory-default ORL zero value: 1.
Measuring Optical Return Loss Performing and Saving ORL Measurements Performing and Saving ORL Measurements You can define ORL thresholds (see Setting Pass/Fail Thresholds on page 16) before or after measuring ORL. ORL values below thresholds are displayed in red. To measure ORL: 1. If necessary, perform an offset nulling (see Nulling Electrical Offsets on page 22). 2. From the main window, select the ORL Meter tab. 3. Scroll through the Wavelength list to select a singlemode wavelength. 4.
Measuring Optical Return Loss Performing and Saving ORL Measurements 5. Connect one end of a patchcord to the FASTEST SM port of your unit leaving the other end unconnected. 6. Perform an ORL reference as follows: Note: During the reference, the patchcord end should remain in the air; reflections occurring at a fiber-to-air interface correspond to a constant of 14.7 dB. Press ORL Reference.
Measuring Optical Return Loss Performing and Saving ORL Measurements 7. Perform an ORL zero measurement (see Performing ORL Reference and Setting ORL Zero Value on page 30). FTB-3930 MULTITEST 8. Terminate the fiber as close as possible after the component under test. Wrap it at least 10 turns around a mandrel or small diameter tool, adding turns until the reading stabilizes. Component under test Termination Note: Avoid bending the fiber between the unit and the termination point.
7 Performing Automated IL/ORL/Length Measurements (FasTesT) FASTEST allows you to perform 2- or 3-wavelength bidirectional loss and ORL tests for singlemode fibers, or 2-wavelength loss tests for multimode fibers, in 10 seconds (including fiber length measurement). FASTEST is useful in high-fiber-count installations. Activated at the touch of a button, FASTEST cuts down on training time and provides error-free results.
Performing Automated IL/ORL/Length Measurements (FasTesT) Setting Up the FasTest Setting Up the FasTest You can configure the FASTEST on the master unit only. The remote unit will automatically adapt to these parameters (FASTEST parameters on remote unit are ignored). Setup includes the following elements: 36 Port and DUT (fiber) type: multimode FASTEST will not include ORL.
Performing Automated IL/ORL/Length Measurements (FasTesT) Setting Up the FasTest To set up the FasTesT: 1. From the button bar, press Setup, then select the FASTEST tab. 2. Select the FASTEST parameters. To revert to factory-default FasTesT settings: 1. From the button bar, press Setup, then select the FASTEST tab. 2. Press Revert to factory settings.
Performing Automated IL/ORL/Length Measurements (FasTesT) Referencing Units for FasTesT Referencing Units for FasTesT Referencing subtracts the loss caused by the test setup components from the overall loss measured during FASTEST. The final result represents the loss inserted by the system under test alone. Two referencing methods are available: Side-by-Side Method (Best) Description Loopback Method Reference taken with both units Reference taken separately on together using their FASTEST ports.
Performing Automated IL/ORL/Length Measurements (FasTesT) Referencing Units for FasTesT To perform a side-by-side reference: 1. On the master unit (the one initiating the test), select the FASTEST tab. 2. In the Reference pane, select the Side-by-side reference type. The data display shows previous reference values (if any) for the currently connected remote unit. IMPORTANT With its multiple referencing feature, your unit saves the last 10 side-by-side references for each DUT type and compatibility mode.
Performing Automated IL/ORL/Length Measurements (FasTesT) Referencing Units for FasTesT 4. Press Take Reference. After a few seconds, the unit displays new reference values for each wavelength on both units. If values are not acceptable, try to clean connectors and repeat this step. Serial number of unit on other side 5. Disconnect the two patchcords from the bulkhead only and connect them to the fiber under test (using bulkhead adapters or the system patch panels).
Performing Automated IL/ORL/Length Measurements (FasTesT) Referencing Units for FasTesT To perform a loopback reference: 1. On the master unit (the one initiating the test), select the FASTEST tab. 2. In the Reference pane, select the Loopback reference type. The data display shows previous reference values (if any). 3. Connect a reference patchcord from the FASTEST port to the power meter adapter.
Performing Automated IL/ORL/Length Measurements (FasTesT) Referencing Units for FasTesT 4. Press Take Reference. After a few seconds, the unit displays new reference values for each wavelength. If values are not acceptable, try to clean connectors and repeat this step. 5. Disconnect the reference patchcord from the power meter adapter only and connect it to the fiber under test. IMPORTANT You can turn off the unit without losing the reference.
Performing Automated IL/ORL/Length Measurements (FasTesT) Performing the FasTesT Performing the FasTesT Although FASTEST requires two units (one at each end of the fiber under test), you initiate it from only one (the master). Both units use FASTEST settings from the master unit. To perform a FasTesT: Unit A (Master) Unit B 1. If necessary, null the offsets (see Nulling Electrical Offsets on page 22). 1. If necessary, null the offsets. 2.
Performing Automated IL/ORL/Length Measurements (FasTesT) Performing the FasTesT Unit A (Master) Unit B 6. Connect reference patchcord to fiber under test (as shown): 5.
Performing Automated IL/ORL/Length Measurements (FasTesT) Performing the FasTesT Unit A (Master) Unit B 7. From the button bar, press FASTEST (large green button). The units establish communication and automated tests begin. Measurements appear on both units as they are taken.
Performing Automated IL/ORL/Length Measurements (FasTesT) Performing the FasTesT Unit A (Master) Unit B 8. Add the displayed values to the Tested fibers list if you want. If automatic save was activated for one or both units (see Customizing Your Multifunction Loss Tester on page 9), results are already added to the list. 8a. Change the displayed cable and fiber names as needed. 8b. Press Add. The fiber name increments automatically, ready to save the next value.
Performing Automated IL/ORL/Length Measurements (FasTesT) Performing the FasTesT For details about viewing FASTEST results, see Managing Test Results on page 49.
8 Managing Test Results Viewing and Deleting Results You can save all your results (FASTEST, power/loss and ORL) on your platform, along with references and date/time of tests. You will save and recall this data according to cable names (or any Windows file name). IMPORTANT The date and time of FASTEST references are not saved. They are displayed with the results immediately after the test only.
Managing Test Results Viewing and Deleting Results FTB-500 To copy all results to Windows clipboard (for pasting as plain text) To modify job or cable information (you can also click on section title) To select current threshold group (you can also click on section title) Shortcut to result sections Result sections To delete results for selected (checked) fibers To mark fiber for deletion Result exceeding threshold Click on link to edit fiber ID or comments 50 FTB-3930
Managing Test Results Viewing and Deleting Results FTB-200 v2 To mark fiber for deletion To modify job or cable information To select current threshold group IMPORTANT The threshold group you select will remain associated with the file, even if you change the default group. However, if you change values in the selected group, they will apply to your results. Note: For more accuracy, the loss average is always calculated from loss values in W and then converted to dB.
Managing Test Results Customizing Result Display Customizing Result Display For the FTB-500, you can customize the following elements: Power unit: will affect the Results tab and the printed report, but not the different test tabs. Display FASTEST reference: when selected, the FASTEST references will be shown on the Results tab. Custom boxes: sets the names of fields in the Edit Job Information and Edit Cable Information windows. When you change the field name, data in this field is kept.
Managing Test Results Customizing Result Display FTB-200 v2 From Edit Job Information From Edit Cable Information 2. Set parameters and press OK.
Managing Test Results Customizing and Printing Reports (FTB-500) Customizing and Printing Reports (FTB-500) The FTB-3930 Multifunction Loss Tester application allows you to print detailed reports including your custom selection of OLTS data (FASTEST, ORL and power results with cable and job information).
Managing Test Results Customizing and Printing Reports (FTB-500) To print a report: 1. From the main window, press Print. 2. Enter a report title and press Browse to select a logo if desired. 3. Select items to include in the report, as follows: To add or remove an item, check or clear the corresponding box. To add all items, press Select All. To remove all items, press Clear All. 4. If desired, press Preview to view the report before printing. 5. Press Print.
9 Using a Light Source Your unit may contain two source ports: a 2- or 3-wavelength singlemode port and a 2-wavelength multimode port, depending on the configuration. Source singlemode (SM) and multimode (MM) ports FTB-3930 MULTITEST The source signal can be continuous (CW or high-power) or modulated (270 Hz, 1 kHz or 2 kHz) and uses the FASTEST ports. CW signal (the default): constant power over the temperature range, but about 3 dB lower than maximum.
Using a Light Source To activate a light source: 1. Connect the fiber under test to the source port (see Cleaning and Connecting Optical Fibers on page 12). 2. From the main window, select the Source/VFL tab (units with a VFL) or the Source tab (units with no VFL).
Using a Light Source FTB-200 v2 Data display Power button Status LED 3. In the Source pane, select a wavelength using the Wavelength dial (Use the + and - buttons in the case of the FTB-200 v2 platform). 4. Slide the Power switch to On (or press the On/Off button in the case of the FTB-200 v2 platform). To deactivate a light source: Slide the Power switch to Off (or press the On/Off button in the case of the FTB-200 v2 platform). To change the signal modulation: 1. Activate the source if you want. 2.
10 Identifying Fiber Faults Visually The visual fault locator (VFL) helps you identify bends, faulty connectors, splices and other causes of signal loss. From its dedicated port, the VFL emits a red signal which becomes visible at the location of a fault on the fiber. This signal can be continuous (CW, the default) or blinking (1 Hz). FTB-3930 MULTITEST Visual fault locator (VFL) port WARNING When the VFL is active, the VFL port emits visible laser radiation.
Identifying Fiber Faults Visually To activate the VFL and inspect a fiber: 1. Connect the fiber under test to the VFL port (see Cleaning and Connecting Optical Fibers on page 12). 2. From the main window, select the Source/VFL tab. Data display Power switch Status LED 3. In the VFL pane, slide the Power switch to On. 4. To switch between blinking (1 Hz) and continuous (CW) signals, use the Modulation dial. 5. Without looking directly into the beam, examine the fiber.
11 Communicating with Other Users Your Multifunction Loss Tester offers two ways to communicate: text messages voice (via the optional talk set) Sending and Receiving Text Messages To facilitate communication between opposite ends of a fiber (especially on models with no talk set), you may send text messages to compatible units (such as FOT-930, FTB-3930, FOT-920 or FTB-3920) through their FASTEST ports. It is possible to send a predefined message or to write one of your own (maximum 30 characters).
Communicating with Other Users Sending and Receiving Text Messages MULTITEST FTB-3930 2. From the main window, select the Talk set/Messages tab (units with a talk set) or the Messages tab (units with no talk set and FTB-200 v2 units).
Communicating with Other Users Sending and Receiving Text Messages 3. Ensure that the port indicated (SM or MM) is the one you use. Otherwise, do as follows: 3a. In the function bar, press Setup, then select the FASTEST tab. 3b. Change the FASTEST port, then return to the Messages pane. 4. Scroll through the Predefined messages list and select a message. OR Enter a custom message in the New message text box. 5. Press the Send button next to your type of message (predefined or new).
Communicating with Other Users Communicating by Voice Communicating by Voice With the optional talk set, you can establish full-duplex digital voice communication over a dedicated fiber, even while other functions are in use. The talk set provides adjustable headset volume and uses a dedicated port. It is not compatible with the FOT-920 or FTB-3920 talk sets. FTB-3930 MULTITEST Talk set port Note: You may use any commercially available headset equipped with a microphone.
Communicating with Other Users Communicating by Voice To communicate between units: Calling Unit Receiving Unit 1. Connect the receiving unit to the other end of the fiber via its talk set port, and plug in your headset. FTB-3930 MULTITEST 1. Connect the calling unit to one end of the fiber via its talk set port, and plug in your headset. 2. From the main window, select the Talk set/Messages tab (Messages tab for the FTB-200 v2 unit).
Communicating with Other Users Communicating by Voice Calling Unit 3. Press Talk. Your unit establishes communication with receiving unit. Receiving Unit When receiving the call, the unit beeps. A phone icon appears to indicate that communication is established. If no compatible unit is detected at the other end, a message appears. 4. Talk to the receiving unit. 2. Simply answer (no need to press a key). 5. To end the communication, press End from the Talk set pane. 3.
12 Maintenance To help ensure long, trouble-free operation: Always inspect fiber-optic connectors before using them and clean them if necessary. Keep the unit free of dust. Clean the unit casing and front panel with a cloth slightly dampened with water. Store unit at room temperature in a clean and dry area. Keep the unit out of direct sunlight. Avoid high humidity or significant temperature fluctuations. Avoid unnecessary shocks and vibrations.
Maintenance Cleaning EUI Connectors WARNING Looking into the optical connector while the light source is active WILL result in permanent eye damage. EXFO strongly recommends to TURN OFF the unit before proceeding with the cleaning procedure. To clean EUI connectors: 1. Remove the EUI from the instrument to expose the connector baseplate and ferrule. Turn Pull Push 2. Moisten a 2.5 mm cleaning tip with one drop of isopropyl alcohol (alcohol may leave traces if used abundantly). 3.
Maintenance Cleaning EUI Connectors 6. Clean the ferrule in the connector port as follows: 6a. Deposit one drop of isopropyl alcohol on a lint-free wiping cloth. IMPORTANT Isopropyl alcohol may leave residues if used abundantly or left to evaporate (about 10 seconds). Avoid contact between the tip of the bottle and the wiping cloth, and dry the surface quickly. 6b. Gently wipe the connector and ferrule. 6c.
Maintenance Cleaning Detector Ports Cleaning Detector Ports Regular cleaning of detectors will help maintain measurement accuracy. IMPORTANT Always cover detectors with protective caps when unit is not in use. To clean detector ports: 1. Remove the protective cap and adapter (FOA) from the detector. 2. If the detector is dusty, blow dry with compressed air. 3. Being careful not to touch the soft end of the swab, moisten a cleaning tip with only one drop of isopropyl alcohol.
Maintenance Cleaning VFL-Type Connectors Cleaning VFL-Type Connectors VFL-type connectors are fixed on your unit and can be cleaned using a mechanical cleaner. WARNING Verifying the surface of the connector with a fiber-optic microscope WHILE THE UNIT IS ACTIVE WILL result in permanent eye damage. To clean a connector using a mechanical cleaner: 1. Insert the mechanical into the optical adapter, and push the outer shell into the cleaner.
Maintenance Recalibrating the Unit WARNING Do not throw batteries into fire or water and do not short-circuit the batteries’ electrical contacts. Do not disassemble. Recalibrating the Unit EXFO manufacturing and service center calibrations are based on the ISO/IEC 17025 standard (General Requirements for the Competence of Testing and Calibration Laboratories).
Maintenance Recycling and Disposal (Applies to European Union Only) To help you with calibration follow-up, EXFO provides a special calibration label that complies with the ISO/IEC 17025 standard and indicates the unit calibration date and provides space to indicate the due date.
13 Troubleshooting Solving Common Problems Problem Possible Cause Light reaches at least one During offset nulling, you get the following message: detector (power meter or FASTEST). “Light detected during nulling.” When using the power meter, you get Power Too Low or Power Too High. Solution Ensure protective caps are tightly screwed on FASTEST and power meter ports and perform the nulling again. Do not use rubber cover.
Troubleshooting Solving Common Problems Problem Possible Cause Unable to establish FASTEST Remote unit’s FASTEST communication. port is in use. Remote unit is not compatible. Selected port on master unit differs from actual port to which fiber is connected. Compatibility set to FOT-930 / FTB-3930 but remote unit is not an FOT-930 or FTB-3930. During FASTEST, you get a message saying that loopback reference was not performed.
Troubleshooting Solving Common Problems Problem Unable to send a text message. Possible Cause Solution Selected port differs On the sending unit, set Receiving unit’s port is Wait until FASTEST Remote unit is not Make sure remote unit is from actual port to which fiber is connected. in use. compatible. the correct port (SM or MM) in Setup (FASTEST tab). completes, turn source and ORL meter off or exit Probe mode (FOT-930). an FOT-930, FTB-3930, FOT-920 or FTB-3920.
Troubleshooting Obtaining Online Help Obtaining Online Help Context-sensitive and interactive help is conveniently available at all times to guide you through the use of your application. Note: You will also find a printable PDF version of the FTB-3930 Multifunction Loss Tester user guide on your installation CD. To access online help: Anywhere in the application, press the get help about the current function. button (or F1 on a keyboard) to OR Press About in the button bar, then press User Guide.
Troubleshooting Contacting the Technical Support Group Contacting the Technical Support Group To obtain after-sales service or technical support for this product, contact EXFO at one of the following numbers. The Technical Support Group is available to take your calls from Monday to Friday, 8:00 a.m. to 7:00 p.m. (Eastern Time in North America). Technical Support Group 400 Godin Avenue Quebec (Quebec) G1M 2K2 CANADA 1 866 683-0155 (USA and Canada) Tel.: 1 418 683-5498 Fax: 1 418 683-9224 support@exfo.
Troubleshooting Transportation Transportation Maintain a temperature range within specifications when transporting the unit. Transportation damage can occur from improper handling. The following steps are recommended to minimize the possibility of damage: 82 Pack the unit in its original packing material when shipping. Avoid high humidity or large temperature fluctuations. Keep the unit out of direct sunlight. Avoid unnecessary shocks and vibrations.
14 Warranty General Information EXFO Inc. (EXFO) warrants this equipment against defects in material and workmanship for a period of three years from the date of original shipment. EXFO also warrants that this equipment will meet applicable specifications under normal use.
Warranty Liability Liability EXFO shall not be liable for damages resulting from the use of the product, nor shall be responsible for any failure in the performance of other items to which the product is connected or the operation of any system of which the product may be a part. EXFO shall not be liable for damages resulting from improper usage or unauthorized modification of the product, its accompanying accessories and software.
Warranty Service and Repairs Service and Repairs EXFO commits to providing product service and repair for five years following the date of purchase. To send any equipment for service or repair: 1. Call one of EXFO’s authorized service centers (see EXFO Service Centers Worldwide on page 86). Support personnel will determine if the equipment requires service, repair, or calibration. 2.
Warranty EXFO Service Centers Worldwide EXFO Service Centers Worldwide If your product requires servicing, contact your nearest authorized service center. EXFO Headquarters Service Center 400 Godin Avenue Quebec (Quebec) G1M 2K2 CANADA EXFO Europe Service Center Winchester House, School Lane Chandlers Ford, Hampshire S053 4DG ENGLAND EXFO Telecom Equipment (Shenzhen) Ltd. 3rd Floor, Building 10, Yu Sheng Industrial Park (Gu Shu Crossing), No.
A Technical Specifications IMPORTANT The following technical specifications can change without notice. The information presented in this section is provided as a reference only. To obtain this product’s most recent technical specifications, visit the EXFO Web site at www.exfo.com. TECHNICAL SPECIFICATIONS External Power Meter FTB-3932 FTB-3932X FTB-3933 Detector type Ge GeX InGaAs Measurement range (dBm) 10 to –70 26 to –55 6 to –73 Uncertainty b, c ± 5 % ± 0.1 nW ± 5 % ± 3 nW ± 5 % ± 0.
Technical Specifications SPECIFICATIONS VFL i Dedicated ORL Wavelengths All SM Talk Set ORL range (APC / UPC) (dB) 65/55 Emitter type Laser Emitter type Laser ORL uncertainty i (dB) ± 0.5 Wavelength (nm) 1550 ± 20 Wavelength (nm) 650 Resolution b (dB) 0.01 Dynamic range at 1550 nm (dB) 45 Output power (dBm) 3 Dynamic range MM k (dB) 40 Notes a. At 23 °C ± 1 °C and 1550 nm with FC connector and on batteries, unless otherwise specified. b.
Index Index ! .................................................................. 16 A About button .............................................. 81 after-sales service ........................................ 81 analyzing results............................................ 3 applications, typical ...................................... 3 autonaming, MultiTest .......................... 10, 14 B backreflection measurement ....................... 32 C cable and fiber names ................................
Index F FasTesT description............................................... 1 port ......................................................... 1 thresholds.............................................. 16 wavelengths, selecting .......................... 36 favorite wavelengths ..................................... 2 features ......................................................... 1 fiber and cable names ................................. 14 fiber ends, cleaning.....................................
Index optical return loss. see ORL measurement ORL measurement description .................. 1, 29 measurement thresholds ....................... 16 meter port ............................................... 1 performing measurement...................... 32 zero measurement................................. 30 P pass/fail thresholds. see thresholds PDF. see online help performing null measurement.................................. 22 ORL measurement .................................
Index multimode............................................... 2 operation and display ............................ 57 port ......................................................... 1 setting wavelength ................................ 58 singlemode .............................................. 2 status..................................................... 57 specifications, product ................................ 87 storage requirements .................................. 69 stored data, printing ........
NOTICE 抩⛙ CHINESE REGULATION ON RESTRICTION OF HAZARDOUS SUBSTANCES ₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ NAMES AND CONTENTS OF THE TOXIC OR HAZARDOUS SUBSTANCES OR ELEMENTS CONTAINED IN THIS EXFO PRODUCT ▔⚺⦷㦻 EXFO ℶ❐₼䤓㦘㹡㦘⹂䓸德㒥⏒侯䤓⚜䱿✛⚺摞 O X Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part is below the limit requirement in SJ/T11363-2006 嫷䯉年㦘㹡㦘⹂䓸德⦷年捷ↅ㓏㦘⧖德㧟㠨₼䤓⚺摞⧖⦷ SJ/T11363-2006 㪖屓⸩䤓 棟摞尐㻑ⅴₚᇭ Indicates that this toxic or hazardous substance contained in at least one of the
MARKING REQUIREMENTS 㪖㽷尐㻑 Product Environmental protection use period (years) Logo ℶ❐ 䘾⬒≬㔳∎䞷㦮棟 ( ) 㪖㉦ This E;)2 product 㦻 EXFO ℶ❐ Batterya 䟄㻯 a a. If applicable.
P/N: 1066510 www.EXFO.com · info@exfo.com CORPORATE HEADQUARTERS 400 Godin Avenue Quebec (Quebec) G1M 2K2 CANADA Tel.: 1 418 683-0211 · Fax: 1 418 683-2170 EXFO AMERICA 3400 Waterview Parkway Suite 100 Richardson, TX 75080 USA Tel.: 1 972-761-927 · Fax: 1 972-761-9067 EXFO EUROPE Winchester House, School Lane Chandlers Ford, Hampshire S053 4DG ENGLAND Tel.: +44 2380 246 800 · Fax: +44 2380 246 801 EXFO ASIA-PACIFIC 62 Ubi Road 1, #09-01/02 Oxley Bizhub 2 SINGAPORE 408734 Tel.
