Exfo OTDR 2 Manual de usuario

User Guide Optical Time Domain ReflectometerOTDR

Introducing the OTDR2 OTDRSM / MM OTDRFTB-7200DSMMMLIVEHandleVisual fault locator (VFL) port (optional)OTDR port (singlemode) OTDR port (multimode)Sin

Analyzing the Results Manually92 OTDRGetting Optical Return Loss (ORL)Getting Optical Return Loss (ORL)The ORL calculation will provide the following

OTDR 937 Analyzing Traces and EventsOnce the acquired trace is analyzed, it appears in the trace display and the events are displayed in the events ta

Analyzing Traces and Events94 OTDRGraphGraphThe events, that are detailed in the events table (see Events Tab on page 99), are marked by numbers along

Analyzing Traces and EventsOTDR 95GraphYou can change trace display parameters (such as the grid). For more information, see Setting Event Table and G

Analyzing Traces and Events96 OTDRSummary TabSummary TabFor each wavelength, the summary tab gives the span loss, the span ORL values, and the global

Analyzing Traces and EventsOTDR 97Summary Tab In the summary table, when you tap the pass/fail status row with a fail status, the application automat

Analyzing Traces and Events98 OTDRSummary TabTo choose a display mode:1. From the main window, go to the Summary tab.2. To display the condensed summa

Analyzing Traces and EventsOTDR 99Events TabEvents TabYou can view information about all detected events on a trace and fiber sections by scrolling th

Analyzing Traces and Events100 OTDREvents TabIf an asterisk appears next to the event symbol, the tooltip will also show “(*:Modified)” to indicate th

Analyzing Traces and EventsOTDR 101Events Tab Cumulative: Cumulative loss from the trace span start to span end; the running total is provided at the

Introducing the OTDROTDR 3OTDROTDR port(singlemode or multimode)Other modelsHandleVisual fault locator(VFL) port (optional)FTB-7000 Series for FTB-2 a

Analyzing Traces and Events102 OTDRMeasure TabMeasure TabThe application shows two, three or four markers: a, A, B, and b, depending on the button you

Analyzing Traces and EventsOTDR 103Linear ViewLinear ViewIn the linear view, the events are displayed sequentially, from left to right. You can scroll

Analyzing Traces and Events104 OTDRLinear View When you select an event or a fiber section in the events table or in the graph, the linear view autom

Analyzing Traces and EventsOTDR 105Linear View Condensed: The information of the selected element (event or fiber section) are displayed on the left

Analyzing Traces and Events106 OTDRLinear ViewTo choose a display mode:1. From the main window, go to the Events tab.2. Tap to go to the linear view

Analyzing Traces and EventsOTDR 107Displaying the Graph in Full ScreenDisplaying the Graph in Full ScreenYou can display the graph in full screen at a

Analyzing Traces and Events108 OTDRDisplaying the Graph in Full ScreenTo display the graph in full screen:From the OTDR tab, tap the button.The grap

Analyzing Traces and EventsOTDR 109Using Zoom ControlsUsing Zoom ControlsUse the zoom controls to change the scale of the trace display.You can zoom i

Analyzing Traces and Events110 OTDRUsing Zoom Controls When you zoom in or out on the selected event, the application keeps the zoom on this event un

Analyzing Traces and EventsOTDR 111Using Zoom Controls You can zoom in or out on the graph by first using, respectively, the or the button, and t

Introducing the OTDR4 OTDROTDR port (singlemode)OTDR port (singlemode live and On-line power meter)Active LEDFTB-720 / FTB-720G / FTB-720G+FTB-730 / F

Analyzing Traces and Events112 OTDRViewing Span Start and Span End in Events TableViewing Span Start and Span End in Events TableWhen applicable, the

Analyzing Traces and EventsOTDR 113Viewing Span Start and Span End in Events TableTo view span start and span end in events table:1. From the Main Men

Analyzing Traces and Events114 OTDRCustomizing the Events Table AppearanceCustomizing the Events Table AppearanceThe events tab allows you to view the

Analyzing Traces and EventsOTDR 115Selecting the Displayed WavelengthSelecting the Displayed WavelengthThere are two ways of displaying a trace in the

Analyzing Traces and Events116 OTDRUsing a Reference TraceUsing a Reference TraceSetting a measurement as a reference allows you to test fibers and co

Analyzing Traces and EventsOTDR 117Using a Reference TraceTo set the current trace as a reference:1. From the Main Menu, select the Reference button.2

Analyzing Traces and Events118 OTDRUsing a Reference TraceTo open a measurement file as a reference:1. From the main window, tap .ORFrom the Main Men

Analyzing Traces and EventsOTDR 119Viewing and Modifying Current Measurement SettingsViewing and Modifying Current Measurement SettingsYou can view th

Analyzing Traces and Events120 OTDRViewing and Modifying Current Measurement SettingsWhen viewing or modifying trace settings, these parameters are di

Analyzing Traces and EventsOTDR 121Viewing and Modifying Current Measurement SettingsTo view or modify measurement settings:1. From the Main Menu, tap

Introducing the OTDROTDR 5Main WindowMain WindowNote: Due to screen resolution, the appearance of your OTDR application may vary slightly from the ill

Analyzing Traces and Events122 OTDRViewing and Modifying Current Measurement Settings5. If you want to modify the parameters, enter the desired values

Analyzing Traces and EventsOTDR 123Viewing and Modifying Current Measurement Settings6. If you want to save the modified IOR, RBS, and Helix Factor va

Analyzing Traces and Events124 OTDRModifying EventsModifying EventsYou can change the loss and reflectance of almost any existing event except: conti

Analyzing Traces and EventsOTDR 125Modifying EventsTo modify an event:1. Select the event you want to modify.2. Tap .Markers a, A, B, and b appear on

Analyzing Traces and Events126 OTDRModifying Events3. Position marker A on the event, and submarker a (to the left of marker A) as far as possible fro

Analyzing Traces and EventsOTDR 127Modifying Events5. Tap Modify to accept the modifications you have made or Cancel to return to the events table wit

Analyzing Traces and Events128 OTDRInserting EventsInserting EventsYou can insert events from the Measure tab manually.This could be useful, for examp

Analyzing Traces and EventsOTDR 129Inserting EventsTo insert an event:1. From the Measure tab, tap .2. Select the location where you want to insert a

Analyzing Traces and Events130 OTDRInserting Events3. Once you have determined the location, from the Type list, select the desired event type.4. From

Analyzing Traces and EventsOTDR 131Deleting EventsDeleting EventsAlmost any event can be deleted from the events table, except:  end of analysis fib

Introducing the OTDR6 OTDRSoftware OptionsSoftware OptionsSoftware options may be offered with your unit. With the Source (SRC) software option, you

Analyzing Traces and Events132 OTDRManaging CommentsManaging CommentsYou can insert comments manually on a specific event. If comments are already pre

Analyzing Traces and EventsOTDR 133Managing Comments4. Tap Modify.A red triangle appears next to the event number to indicate that a comment has been

Analyzing Traces and Events134 OTDRAnalyzing or Reanalyzing a TraceAnalyzing or Reanalyzing a TraceYou can analyze a displayed trace at any time. Anal

Analyzing Traces and EventsOTDR 135Analyzing or Reanalyzing a TraceTo reanalyze a trace:1. From the main window, go to the Events tab.2. Tap .3. From

Analyzing Traces and Events136 OTDRAnalyzing the Fiber on a Specific Fiber SpanAnalyzing the Fiber on a Specific Fiber SpanIf you want to focus your f

Analyzing Traces and EventsOTDR 137Analyzing the Fiber on a Specific Fiber Span3. From the Spans list, set the span start or span end marker on the ap

Analyzing Traces and Events138 OTDRAnalyzing the Fiber on a Specific Fiber Span4. Tap Modify (Events tab) or Insert (Measure tab) to return to the mai

Analyzing Traces and EventsOTDR 139Enabling or Disabling the Detection of Reflective Ends of FiberEnabling or Disabling the Detection of Reflective En

Analyzing Traces and Events140 OTDREnabling or Disabling the Detection of Reflective Ends of FiberThe table below shows the differences you will notic

Analyzing Traces and EventsOTDR 141Enabling or Disabling the Detection of Reflective Ends of FiberTo enable or disable the detection of reflective end

Introducing the OTDROTDR 7OTDR Basic PrinciplesOTDR Basic PrinciplesAn OTDR sends short pulses of light into a fiber. Light scattering occurs in the f

Analyzing Traces and Events142 OTDROpening Measurement FilesOpening Measurement FilesWhen you open trace files, the application always displays the fi

Analyzing Traces and EventsOTDR 143Opening Measurement FilesTo open a measurement file:1. From the Main Menu, tap File, then Open.ORFrom the Main Menu

OTDR 1458 Managing Trace Files from the OTDR Test ApplicationOnce you have acquired traces, or when you want to work with them after an acquisition, y

OTDR 1479 Creating and Generating ReportsFor future reference, you can add notes on the location of the tested fiber, type of job performed and genera

Creating and Generating Reports148 OTDRAdding Information to the Test ResultsTo add information to the test results:1. From the Main Menu, tap Identif

Creating and Generating ReportsOTDR 149Generating a ReportTo clear all the information from the Identification window:Tap the Clear Values button.Note

Creating and Generating Reports150 OTDRGenerating a Report Markers: marker information: a, A, B, b as well as A to B LSA attenuation, LSA loss, and O

Creating and Generating ReportsOTDR 151Generating a ReportTo define report contents:1. From the Main Menu, tap User Preferences then select the Report

Introducing the OTDR8 OTDROTDR Basic PrinciplesAn OTDR uses the effects of Rayleigh scattering and Fresnel reflection to measure the fiber’s condition

Creating and Generating Reports152 OTDRGenerating a Report3. From the Include trace(s) list, select All to generate a report for all traces (wavelengt

Creating and Generating ReportsOTDR 153Generating a ReportTo generate reports manually:1. From the main window, tap .ORFrom the Main Menu, go to File

Creating and Generating Reports154 OTDRGenerating a ReportTo generate reports automatically:1. If you want to generate a report automatically on save,

OTDR 15510 Using the OTDR as a Light SourceNote: This function is available with the Source (SRC) optional software package only.If you want to perfor

Using the OTDR as a Light Source156 OTDRTo use your OTDR as a source:1. Clean the connectors properly (see Cleaning and Connecting Optical Fibers on p

Using the OTDR as a Light SourceOTDR 1575. Select the desired modulation. For loss measurement, with a power meter at the other end, select Continuou

Using the OTDR as a Light Source158 OTDR6. Tap Tur n On. You can stop light emission at any time by tapping Turn Off.Using an EXFO power meter with to

OTDR 15911 MaintenanceTo help ensure long, trouble-free operation: Always inspect fiber-optic connectors before using them and clean them if necessar

Maintenance160 OTDRCleaning EUI ConnectorsTo clean EUI connectors:1. Remove the EUI from the instrument to expose the connector baseplate and ferrule.

MaintenanceOTDR 161Cleaning EUI Connectors6. Clean the ferrule in the connector port as follows:6a. Deposit one drop of isopropyl alcohol on a lint-fr

Introducing the OTDROTDR 9ConventionsConventionsBefore using the product described in this guide, you should understand the following conventions:WARN

Maintenance162 OTDRRecalibrating the UnitRecalibrating the UnitEXFO manufacturing and service center calibrations are based on the ISO/IEC 17025 stand

MaintenanceOTDR 163Recycling and Disposal (Applies to European Union Only)To help you with calibration follow-up, EXFO provides a special calibration

OTDR 16512 TroubleshootingSolving Common ProblemsProblem Cause SolutionThe application displays a message indicating that a “Non-resolved fiber end”

Troubleshooting166 OTDRSolving Common ProblemsThe application displays a message indicating that a “live fiber error” occurred and the fiber was conne

TroubleshootingOTDR 167Contacting the Technical Support GroupContacting the Technical Support GroupTo obtain after-sales service or technical support

OTDR 16913 WarrantyGeneral InformationEXFO Inc. (EXFO) warrants this equipment against defects in material and workmanship for a period of one year fr

Warranty170 OTDRLiabilityLiabilityEXFO shall not be liable for damages resulting from the use of the product, nor shall be responsible for any failure

WarrantyOTDR 171Service and RepairsService and RepairsEXFO commits to providing product service and repair for five years following the date of purcha

Warranty172 OTDREXFO Service Centers WorldwideEXFO Service Centers WorldwideIf your product requires servicing, contact your nearest authorized servic

OTDR 173A Technical SpecificationsMAX-710BIMPORTANTThe following technical specifications can change without notice. The information presented in this

Technical Specifications174 OTDRMAX-715BMAX-715BTECHNICAL SPECIFICATIONS MAXTESTER 715BDisplay 7 in (178 mm) outdoor-enhanced touchscreen, 800 x 480 T

Technical SpecificationsOTDR 175MAX-720BMAX-720BTECHNICAL SPECIFICATIONS MAXTESTER 720BDisplay 7 in (178 mm) outdoor-enhanced touchscreen, 800 x 480 T

Technical Specifications176 OTDRMAX-730BMAX-730BTECHNICAL SPECIFICATIONS MAXTESTER 730BDisplay 7 in (178 mm) outdoor-enhanced touchscreen, 800 x 480 T

Technical SpecificationsOTDR 177FTB-7200DFTB-7200DTECHNICAL SPECIFICATIONS 7AVELENGTHNM b¼¼¼¼Dynamic range D&

Technical Specifications178 OTDRFTB-7300EFTB-7300ETECHNICAL SPECIFICATIONSModelFTB-7300E aWavelength (nm) b1310 ± 20/1490 ± 15/1550 ± 20/1625 ± 10/165

Technical SpecificationsOTDR 179FTB-7400EFTB-7400ETECHNICAL SPECIFICATIONSModel aFTB-7400E-XXXX FTB-7400E-CWS FTB-7400E-CWCLWavelengths (nm) b1310 ± 2

Technical Specifications180 OTDRFTB-7500EFTB-7500ETECHNICAL SPECIFICATIONSModel aFTB-7500EWavelengths (nm) b1310 ± 20/1550 ± 20/1625 ± 10Dynamic range

Technical SpecificationsOTDR 181FTB-7600EFTB-7600ETECHNICAL SPECIFICATIONSModel aFTB-7600EWavelengths (nm) b1310 ± 20/1550 ± 20/1625 ± 10Dynamic range

OTDR 112 Safety InformationGeneral Safety InformationWARNINGDo not install or terminate fibers while a light source is active. Never look directly int

Technical Specifications182 OTDRFTB-720FTB-720TECHNICAL SPECIFICATIONS Wavelength (nm) b850 ± 20, 1300 ± 20, 1310 ± 20, 1550 ± 20, 1625 ± 15 (filtered

Technical SpecificationsOTDR 183FTB-730FTB-730TECHNICAL SPECIFICATIONS (OTDR)Model FTB-730 aWavelength (nm) b1310 ± 20/1490 ± 15/1550 ± 20/1625 ± 10/1

Technical Specifications184 OTDRFTB-700G SeriesFTB-700G SeriesNotesa. All specifications valid at 23 °C ± 2 °C with an FC/PC connector, unless otherw

OTDR 185B Description of Event TypesThis section describes all types of events that may appear in the events table generated by the application. Here

Description of Event Types186 OTDRSpan StartSpan Start The Span Start of a trace is the event that marks the beginning of the fiber span. By default,

Description of Event TypesOTDR 187Continuous FiberContinuous Fiber This event indicates that the selected acquisition range was shorter than the fiber

Description of Event Types188 OTDREnd of AnalysisEnd of Analysis This event indicates that the pulse width used did not provide enough dynamic range t

Description of Event TypesOTDR 189Non-Reflective EventNon-Reflective Event This event is characterized by a sudden decrease in the Rayleigh backscatte

Description of Event Types190 OTDRReflective EventReflective EventReflective events appear as spikes in the fiber trace. They are caused by an abrupt

Description of Event TypesOTDR 191Positive EventPositive Event This event indicates a splice with an apparent gain, due to the junction of two fiber s

ii OTDRCopyright © 2013–2014 EXFO Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted

Safety Information12 OTDRLaser Safety Information for FTB-7000 Series (Models without VFL)Laser Safety Information for FTB-7000 Series (Models without

Description of Event Types192 OTDRLaunch LevelLaunch LevelThis event indicates the level of the signal launched into the fiber. The figure above show

Description of Event TypesOTDR 193Fiber SectionFiber SectionThis symbol denotes a fiber section with no event. The sum of all fiber sections containe

Description of Event Types194 OTDRMerged EventMerged EventThis symbol denotes an event combined with one or more other events. It also indicates the t

Description of Event TypesOTDR 195Merged Event The total loss ( dB) produced by the events is measured by plotting two straight lines. The first li

Description of Event Types196 OTDRMerged EventPass/Fail TestsAs an example about pass/fail tests, let us consider the situation below:For a merged eve

Description of Event TypesOTDR 197Merged EventAll Event Types Are TestedIn the first case, where all event types are tested, the pass/fail conditions

Description of Event Types198 OTDRMerged EventNot All Event Types Are TestedIn this situation, the only thing that we can clearly know is when the los

Description of Event TypesOTDR 199Merged EventEffect of Event Status in the Global Trace Status A trace status is, by default, set to Unknown. If a

Description of Event Types200 OTDREchoEchoThis symbol indicates that a reflective event has been detected after the end of the fiber. In the example

Description of Event TypesOTDR 201Reflective Event (Possible Echo)Reflective Event (Possible Echo)This symbol indicates a reflective event that can be

Safety InformationOTDR 13Laser Safety Information for FTB-7000 Series (Models with VFL)Laser Safety Information for FTB-7000 Series (Models with VFL)Y

IndexOTDR 203Index--- indication ... 89Aacquiring traces... 47acqu

Index204 OTDRdisplayingfiber sections ... 67graph in full screen... 107traces...

IndexOTDR 205file name confirmationdisabling... 81enabling ...

Index206 OTDRmounting EUI connector adapter ... 15multiwavelength trace file displaying... 115Nnaming trace automatically...

IndexOTDR 207settingdefault storage folder... 78pass/fail thresholds ... 39shipping to EXFO ...

Index208 OTDRUunchangeable events ... 124undeletable events ... 131UPC connectors, detec

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 CONT

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Safety Information14 OTDRLaser Safety Information for MAX-700 SeriesLaser Safety Information for MAX-700 SeriesYour instrument is a Class 1M laser pro

OTDR 153 Preparing Your OTDR for a TestInstalling the EXFO Universal Interface (EUI)The EUI fixed baseplate is available for connectors with angled (A

Preparing Your OTDR for a Test16 OTDRCleaning and Connecting Optical FibersCleaning and Connecting Optical FibersTo connect the fiber-optic cable to t

Preparing Your OTDR for a TestOTDR 17Cleaning and Connecting Optical Fibers3. Carefully align the connector and port to prevent the fiber end from tou

Preparing Your OTDR for a Test18 OTDRNaming Trace Files AutomaticallyNaming Trace Files AutomaticallyEach time you start an acquisition, the applicati

Preparing Your OTDR for a TestOTDR 19Naming Trace Files AutomaticallyYou can select the number of digits displayed for the incremented or decremented

Preparing Your OTDR for a Test20 OTDRNaming Trace Files AutomaticallyTo configure the automatic file naming:1. From the Main Menu, tap Identification.

Preparing Your OTDR for a TestOTDR 21Naming Trace Files Automatically4. If you want to increment automatically the cable ID, the fiber ID or the locat

ContentsOTDR iiiContentsCertification Information ...

Preparing Your OTDR for a Test22 OTDRNaming Trace Files Automatically5. Select the desired identifiers to include in the file name. You can change the

Preparing Your OTDR for a TestOTDR 23Naming Trace Files AutomaticallyTo clear the values:1. From the Main Menu, tap Identification.2. In the Apply to

Preparing Your OTDR for a Test24 OTDRSetting the IOR, RBS Coefficient, and Helix FactorSetting the IOR, RBS Coefficient, and Helix FactorYou should se

Preparing Your OTDR for a TestOTDR 25Setting the IOR, RBS Coefficient, and Helix FactorThresholds values are saved with the measurement. It is possibl

Preparing Your OTDR for a Test26 OTDRSetting the IOR, RBS Coefficient, and Helix Factor4. From the Wavelength list, select the desired wavelength.Note

Preparing Your OTDR for a TestOTDR 27Setting the IOR, RBS Coefficient, and Helix Factor5. If you want to apply the test configuration information to t

Preparing Your OTDR for a Test28 OTDRExcluding and Including Span Start and Span EndExcluding and Including Span Start and Span EndWhen applicable, th

Preparing Your OTDR for a TestOTDR 29Excluding and Including Span Start and Span End4. If you want to apply the test configuration information to the

Preparing Your OTDR for a Test30 OTDRSetting the Analysis Detection ThresholdsSetting the Analysis Detection ThresholdsTo optimize event detection, yo

Preparing Your OTDR for a TestOTDR 31Setting the Analysis Detection ThresholdsThe following examples show how different splice-loss threshold levels c

Contentsiv OTDR5 Customizing Your OTDR ...67Setting Event Table and Graph D

Preparing Your OTDR for a Test32 OTDRSetting the Analysis Detection ThresholdsTo set the analysis detection thresholds:1. From the Main Menu, tap Test

Preparing Your OTDR for a TestOTDR 33Setting the Analysis Detection Thresholds4. Under Detection Thresholds, enter the desired values in the appropria

Preparing Your OTDR for a Test34 OTDRSetting the Analysis Detection Thresholds5. If you want to apply the test configuration information to the curren

Preparing Your OTDR for a TestOTDR 35Setting Macrobend ParametersSetting Macrobend ParametersYour unit can locate macrobends by comparing the loss val

Preparing Your OTDR for a Test36 OTDRSetting Macrobend ParametersTo set macrobend parameters:1. From the Main Menu, tap Test Configuration.2. From the

Preparing Your OTDR for a TestOTDR 37Setting Macrobend Parameters5. If necessary, set the delta value as follows:5a. From the Wavelengths list, select

Preparing Your OTDR for a Test38 OTDRSetting Macrobend Parameters6. If you want to apply the test configuration information to the current acquisition

Preparing Your OTDR for a TestOTDR 39Setting Pass/Fail ThresholdsSetting Pass/Fail ThresholdsYou can activate and set Pass/Fail threshold parameters f

Preparing Your OTDR for a Test40 OTDRSetting Pass/Fail ThresholdsTo set pass/fail thresholds:1. From the Main Menu, select Test Configuration.2. From

Preparing Your OTDR for a TestOTDR 41Setting Pass/Fail Thresholds5. Select the boxes corresponding to the thresholds that you want to use, and enter t

ContentsOTDR v9 Creating and Generating Reports ... 147Adding Information to the Test Results

Preparing Your OTDR for a Test42 OTDRSetting Pass/Fail Thresholds6. If you want to apply the thresholds you have just defined to one or several other

Preparing Your OTDR for a TestOTDR 43Setting Pass/Fail Thresholds7. If you want to apply the test configuration information to the current acquisition

OTDR 454Testing FibersSeveral tools are available to perform complete OTDR tests; you can also control all test parameters.By default, all available t

Testing Fibers46 OTDRAfter analysis, events appear in the events table. For more information, see Analyzing Traces and Events on page 93.You can save

Testing FibersOTDR 47To acquire traces:1. Clean the connectors properly (see Cleaning and Connecting Optical Fibers on page 16).2. Connect a fiber to

Testing Fibers48 OTDR5. Go to the OTDR tab.6. If you want to test in high resolution, simply select the feature (see Enabling the High-Resolution Feat

Testing FibersOTDR 499. Select the desired distance range, pulse, and time values. For more information, see Setting Distance Range, Pulse Width, and

Testing Fibers50 OTDR11. Once the analysis is complete, save the trace by tapping Save in the button bar.The application will use a file name based on

Testing FibersOTDR 51Setting the Automatic Acquisition ParametersSetting the Automatic Acquisition ParametersWhen the auto-settings parameters are act

Contentsvi OTDRB Description of Event Types ...185Span Start ...

Testing Fibers52 OTDRSetting the Automatic Acquisition Parameters4. If you want to keep the auto-settings activated once an acquisition is done, proce

Testing FibersOTDR 53Setting the Automatic Acquisition Parameters5. If you want to use the optimized range feature, proceed as follows:5a. Tap the b

Testing Fibers54 OTDRDefining Launch and Receive Fiber SettingsDefining Launch and Receive Fiber SettingsTo define the fiber span start, you can set t

Testing FibersOTDR 55Defining Launch and Receive Fiber SettingsThe application allows you to manually set the lengths or the events of both your launc

Testing Fibers56 OTDRDefining Launch and Receive Fiber Settings3. Select the check boxes corresponding to your needs and enter the appropriate informa

Testing FibersOTDR 57Enabling or Disabling the First Connector CheckEnabling or Disabling the First Connector CheckThe first connector check feature i

Testing Fibers58 OTDREnabling or Disabling the First Connector Check2. Under Advanced Parameters, to enable the first connector check, select the Firs

Testing FibersOTDR 59Applying Acquisition Settings by WavelengthApplying Acquisition Settings by WavelengthBy default, the modifications made to the p

Testing Fibers60 OTDRSetting Distance Range, Pulse Width, and Acquisition TimeSetting Distance Range, Pulse Width, and Acquisition TimeThe distance ra

Testing FibersOTDR 61Setting Distance Range, Pulse Width, and Acquisition TimeYou can use the same distance range, pulse width and acquisition time pa

Certification InformationOTDR viiCertification InformationNorth America Regulatory StatementThis unit was certified by an agency approved in both Cana

Testing Fibers62 OTDREnabling the High-Resolution FeatureEnabling the High-Resolution FeatureNote: This feature applies only to the FTB-2 and FTB-2 Pr

Testing FibersOTDR 63Enabling the High-Resolution FeatureTo enable the high-resolution feature:1. From the main window, select the OTDR tab then tap t

Testing Fibers64 OTDRMonitoring Fibers in Real-Time ModeMonitoring Fibers in Real-Time ModeThe application allows you to immediately view sudden chang

Testing FibersOTDR 65Monitoring Fibers in Real-Time Mode3. If you have the full OTDR application, tap RT. The RT button turns orange to show that the

Testing Fibers66 OTDRMonitoring Fibers in Real-Time ModeTo deactivate the real-time mode: If you have the full OTDR application, when you want to sto

OTDR 675 Customizing Your OTDRYou can customize the appearance and behavior of your OTDR application.Setting Event Table and Graph Display ParametersY

Customizing Your OTDR68 OTDRSetting Event Table and Graph Display ParametersTo set the event table and graph display parameters:1. From the Main Menu,

Customizing Your OTDROTDR 69Selecting the Distance UnitsSelecting the Distance UnitsYou can select the measurement units that will be used throughout

Customizing Your OTDR70 OTDRSelecting the Distance UnitsTo select the distance units for your display:1. From the button bar, tap User Preferences.2.

Customizing Your OTDROTDR 71Customizing the Acquisition Distance Range ValuesCustomizing the Acquisition Distance Range Values You can customize the v

Customizing Your OTDR72 OTDRCustomizing the Acquisition Distance Range Values3. From the Range list, select the value you want to modify.4. When the v

Customizing Your OTDROTDR 73Customizing the Acquisition Time ValuesCustomizing the Acquisition Time ValuesYou can customize the values associated with

Customizing Your OTDR74 OTDRCustomizing the Acquisition Time Values3. When the value becomes highlighted, enter the new value.4. Tap OK to return to t

Customizing Your OTDROTDR 75Selecting a Trace Display ModeSelecting a Trace Display ModeYou can choose the way the application will display traces on-

Customizing Your OTDR76 OTDRSelecting the Default ViewSelecting the Default ViewYou can select which view will be displayed by default once all the ac

Customizing Your OTDROTDR 77Selecting the Default ViewTo select the default view:1. From the Main Menu, select User Preferences, then the General tab.

Customizing Your OTDR78 OTDRSetting the Default Storage FolderSetting the Default Storage FolderThe default storage folder is Data\My Documents\OTDR b

Customizing Your OTDROTDR 79Selecting the Default File Format3. In the Browse for Folder window, select the location where you want to save the file.N

Customizing Your OTDR80 OTDRSelecting the Default File FormatTo select the default file format:1. From the Main Menu, tap the User Preferences button,

Customizing Your OTDROTDR 81Enabling or Disabling Automated File SavingEnabling or Disabling Automated File SavingBy default, each time you save a fil

OTDR 11 Introducing the OTDRThe OTDR allows you to characterize a fiber-optic span, usually optical fiber sections joined by splices and connectors. T

OTDR 836 Analyzing the Results ManuallyYou can move markers and zoom in on or out of any event or trace segment to measure splice loss, fiber section

Analyzing the Results Manually84 OTDRUsing MarkersTo move a marker with the arrow buttons:1. From the Measure tab, tap the marker buttons to select th

Analyzing the Results ManuallyOTDR 85Getting Event Distances and Relative PowersGetting Event Distances and Relative PowersThe OTDR test application a

Analyzing the Results Manually86 OTDRGetting Event Distances and Relative PowersTo get the distance to an event and the associated relative power leve

Analyzing the Results ManuallyOTDR 87Getting Event Loss and Maximum ReflectanceGetting Event Loss and Maximum ReflectanceEvent loss (expressed in dB)

Analyzing the Results Manually88 OTDRGetting Event Loss and Maximum Reflectance Reflectance is the ratio of reflected light to input light.Note: If y

Analyzing the Results ManuallyOTDR 89Getting Event Loss and Maximum Reflectance5. Position marker B at the beginning of the linear area following the

Analyzing the Results Manually90 OTDRGetting Section Loss and AttenuationGetting Section Loss and AttenuationThe least-square approximation (LSA) meth

Analyzing the Results ManuallyOTDR 91Getting Section Loss and AttenuationAlthough this method works fairly well for splice loss, it is clearly not app