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Optical Spectrum Analyzer

269

10 Testing DWDM Systems

Optical spectrum analysis is the measurement of optical power as a
function of wavelength or frequency and optical signal to noise ratio
(OSNR). Applications include commissioning of a new DWDM or CWDM
link, as well as maintenance and troubleshooting of existing networks.

Using the Discover Feature

The Discover feature allows you to start a procedure to automatically build
an analysis setup (scan range, channel list, analysis parameters, etc.)
based on the signal being detected on the input port of the OSA module. It
allows you to start an automatic setup scan.

Note:

Discover features is available on for the WDM and Drift test modes only.

An automatic scan is a full range single scan that locates the various peaks
from the incoming signal. Prior to this scan, the application will clear the
data used for processing, empty the channel list, set the analysis
parameters to default values (equivalent to pressing the default button in
every setup screen).

If no channel is detected with this first scan, then the graph shows the full
range scan and ends the analysis. The wavelength range will be set to
1250 nm to 1650 nm and the channel list will be empty in the

Channels

tab

on the

Analysis Setup

window.

If at least one channel is detected, then the wavelength range is set to 5 nm
before the first detected signal peak and 5 nm after the last detected signal
peak (and within the wavelength full range, 1250 nm to 1650 nm). All
detected channels are added to the channel list and the default settings are
used for all channel parameters. The channel center wavelength is aligned
with an ITU grid (200, 100, 50 or 25 GHz for DWDM). The channel width is
determined using the overlap criteria, if two channels overlap by more

I

MPORTANT

For optimal test results, you must allow a minimum warm up
period of two hours for your Optical Spectrum Analyzer before
starting your tests.

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Содержание FTB-5240BP

Страница 1: ...User Guide Optical Spectrum Analyzer for FTB 500 FTB 5240S 5240BP...

Страница 2: ...se under any patent rights of EXFO EXFO s Commerce And Government Entities CAGE code under the North Atlantic Treaty Organization NATO is 0L8C3 The information contained in this publication is subject...

Страница 3: ...XFO Universal Interface EUI 17 Selecting a Test Mode 18 Nulling Electrical Offsets 21 Performing User Calibration 23 5 Setting Up the Instrument in WDM Mode 37 Defining Preferences 39 Setting Up WDM A...

Страница 4: ...esults 340 Managing Spectral Transmittance Test Results 350 Managing EDFA Test Results 368 Using Zoom Controls 396 Managing Trace Files 398 Generating Reports 410 12 Maintenance 421 Cleaning EUI Conne...

Страница 5: ...nce 439 Quick Reference Command Tree 440 Product Specific Commands Description 443 C Formulas Used with Your Optical Spectrum Analyzer 519 EDFA Noise Figure Calculation 519 Central Wavelength Calculat...

Страница 6: ...iance verification tests are systematically performed on most EXFO equipment Information Electronic test equipment is subject to the EMC Directive in the European Union The EN61326 standard prescribes...

Страница 7: ...y Requirements for Electrical Equipment for Measurement Control and Laboratory Use Part 1 General Requirements EN 61326 1 2006 Electrical Equipment for Measurement Control and Laboratory Use EMC Requi...

Страница 8: ......

Страница 9: ...e spectral characterization for DWDM network commissioning as well as In Band Optical Signal to Noise Ratio OSNR measurement for ROADM and 40 Gbit s signals and networks The FTB 5240S is an expert DWD...

Страница 10: ...software key and it will become fully capable of In Band OSNR measurement FTB 5240S P InB It is the FTB 5240 S P model two slot unit with the addition of an automated and integrated polarization contr...

Страница 11: ...aser sources for spectral purity and power distribution Testing the transmission characteristics of optical devices Troubleshooting and monitoring key parameters on CWDM or DWDM signals to check syste...

Страница 12: ...njury 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 Do not proce...

Страница 13: ...urce Note Label shown for information purposes only It is not affixed to your product WARNING Do not install or terminate fibers while a light source is active Never look directly into a live fiber an...

Страница 14: ......

Страница 15: ...on the FTB 500 so that its right panel is facing you CAUTION Never insert or remove a module while the FTB 500 is turned on This will result in immediate and irreparable damage to both the module and...

Страница 16: ...tor pins at the right of the retaining screw hole 4 Insert the protruding edges of the module into the grooves of the receptacle s module slot 5 Push the module all the way to the back of the slot unt...

Страница 17: ...t Modules 7 While applying slight pressure to the module turn the retaining screw clockwise until it is tightened This will secure the module into its seated position When you turn on the unit the sta...

Страница 18: ...FTB 500 1 Exit ToolBox and turn off your unit 2 Position the FTB 500 so that the left panel is facing you 3 Turn the retaining screw counterclockwise until it stops The module will be slowly released...

Страница 19: ...etting Started with Your Optical Spectrum Analyzer Optical Spectrum Analyzer 11 Inserting and Removing Test Modules 5 Hold the module by its sides or by the handle NOT by the connector and pull it out...

Страница 20: ...r FTB 5240S 5240BP Optical Spectrum Analyzer module can be configured and controlled from its dedicated ToolBox application Note For details about ToolBox refer to the FTB 500 user guide To start the...

Страница 21: ...yzer Application The main window shown below contains all the commands required to control the Optical Spectrum Analyzer IMPORTANT For optimal test results you must allow a minimum warm up period of t...

Страница 22: ...ore information about automating or remotely controlling the FTB 5240S 5240BP Optical Spectrum Analyzer refer to the FTB 500 user guide Exiting the Application Closing any application that is not curr...

Страница 23: ...l alcohol 2b Use compressed air to dry completely 2c Visually inspect the fiber end to ensure its cleanliness IMPORTANT For optimal test results you must allow a minimum warm up period of two hours fo...

Страница 24: ...eatures 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 If your connect...

Страница 25: ...he baseplate indicates that it is for APC type connectors To install an EUI connector adapter onto the EUI baseplate 1 Hold the EUI connector adapter so the dust cap opens downwards 2 Close the dust c...

Страница 26: ...A module By default WDM test mode is selected Drift Allows you to monitor an optical link for a fixed duration using an OSA module DFB Allows you to characterize a DFB laser source using the OSA modul...

Страница 27: ...Preparing Your Optical Spectrum Analyzer for a Test Optical Spectrum Analyzer 19 Selecting a Test Mode To select a test mode 1 From the main menu press Mode...

Страница 28: ...e main window and the main menu will change accordingly After selecting the test mode you must configure it You will find the instructions in Setting Up the Instrument in WDM Mode on page 37 Setting U...

Страница 29: ...tions affect the performance of electronic circuits and optical detectors For this reason EXFO recommends performing a nulling of the electrical offsets whenever environmental conditions change Nullin...

Страница 30: ...FTB 5240S 5240BP Nulling Electrical Offsets 3 Press Nulling You are notified that the nulling is in progress in the status bar Nulling should be completed in a few seconds Note The Start and Discover...

Страница 31: ...reference and modified wavelength and power values You can perform user calibration for all tests modes Select a test mode as explained in Selecting a Test Mode on page 18 and follow the procedures m...

Страница 32: ...factors Make measurements Write measurement to text file according to following format First column reference wavelength in nm Second column wavelength in nm read using the OSA application and module...

Страница 33: ...tion file format is given below 1310 154 1310 167 1 34 1 55 1490 000 1490 000 1 09 1 15 1551 334 1551 298 5 20 5 45 1625 401 1625 448 0 00 0 00 Note The decimal separator is a point This decimal separ...

Страница 34: ...5240BP Performing User Calibration 2 Select the Calibration tab Note You cannot edit the power or wavelength values directly from the application The modifications in the user calibration have to be...

Страница 35: ...al Spectrum Analyzer for a Test Optical Spectrum Analyzer 27 Performing User Calibration 3 If a user calibration file exists press Load Factors to load the file 4 Select the modified user calibration...

Страница 36: ...eparing Your Optical Spectrum Analyzer for a Test 28 FTB 5240S 5240BP Performing User Calibration The calibration values will replace the Correction factors list in the Analysis setup Calibration wind...

Страница 37: ...Preparing Your Optical Spectrum Analyzer for a Test Optical Spectrum Analyzer 29 Performing User Calibration 5 Press Write to Module to apply the modified calibration values to the module...

Страница 38: ...5240S 5240BP Performing User Calibration 6 To verify that the calibration changes are properly applied to the module press Load from Module Note OK and Cancel buttons do not have any impact on the ca...

Страница 39: ...Preparing Your Optical Spectrum Analyzer for a Test Optical Spectrum Analyzer 31 Performing User Calibration To clear user correction factors 1 From the Main Menu press Analysis Setup...

Страница 40: ...Preparing Your Optical Spectrum Analyzer for a Test 32 FTB 5240S 5240BP Performing User Calibration 2 Select the Calibration tab...

Страница 41: ...rection factors to load the factory calibration values Note The application will ask if you want to clear user correction factors on the module and the user calibration will be removed Press Yes or No...

Страница 42: ...Preparing Your Optical Spectrum Analyzer for a Test 34 FTB 5240S 5240BP Performing User Calibration To save a user calibration 1 From the Main Menu press Analysis Setup...

Страница 43: ...Preparing Your Optical Spectrum Analyzer for a Test Optical Spectrum Analyzer 35 Performing User Calibration 2 Select the Calibration tab...

Страница 44: ...Preparing Your Optical Spectrum Analyzer for a Test 36 FTB 5240S 5240BP Performing User Calibration 3 Press Save Factors to save the modified user calibration values...

Страница 45: ...The acquisition parameters include the type of measurement you want to perform and the wavelength range See Setting Up Acquisition Parameters on page 99 for more details You can set up your unit in d...

Страница 46: ...re customized configuration could be 32 channels DWDM 50GHz Toronto Montreal CWDM or Vendor ABC DWDM ROADM 40Gb This is explained in Managing Favorites on page 86 The post processing optimized way to...

Страница 47: ...mation is saved with all the traces Defining Trace Information The trace information relates to the description of the job to be done cable and job IDs and any relevant information about what is being...

Страница 48: ...S 5240BP Defining Preferences 2 Select the General tab 3 Define the general parameters as needed 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press Clear...

Страница 49: ...Setting Up the Instrument in WDM Mode Optical Spectrum Analyzer 41 Defining Preferences To enter link and location information 1 From the Main Menu press Preferences 2 Select the Information tab...

Страница 50: ...ion of the link System Sets the system information 4 Under Location Information define the following parameters as needed Network element Sets the type of network element Test point Sets the test poin...

Страница 51: ...Setting Up the Instrument in WDM Mode Optical Spectrum Analyzer 43 Defining Preferences To enter comments 1 From the Main Menu press Preferences...

Страница 52: ...5240BP Defining Preferences 2 Select the Comments tab 3 Enter your comments for the current trace 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press Clear...

Страница 53: ...lay Parameters The application allows you to set display settings for the acquisition trace You can set the spectral unit for the trace and the results table You can also select the label that should...

Страница 54: ...Setting Up the Instrument in WDM Mode 46 FTB 5240S 5240BP Defining Preferences 2 Select the Display tab...

Страница 55: ...cal Spectrum Analyzer 47 Defining Preferences 3 Select the spectral unit you want to work with With the nanometer nm spectral unit the trace will appear as shown below With the terahertz THz spectral...

Страница 56: ...Setting Up the Instrument in WDM Mode 48 FTB 5240S 5240BP Defining Preferences 4 Select the label that will appear on the peaks in the graph...

Страница 57: ...he channel name and channel number cannot be shown at the same time If a number is displayed on the peak it means that the channel name for that peak is not defined If a channel name is defined for th...

Страница 58: ...Select Show to display the empty channels from the channel list in the Results tab If Hide is selected it will not display the empty channels in the Results tab 6 Select Show to enable horizontal mar...

Страница 59: ...alyzer 51 Defining Preferences 7 Select the background color scheme for Graph as desired 8 Press OK to save the changes and close the window or press Cancel to exit without saving Press Restore Defaul...

Страница 60: ...B 5240S 5240BP Defining Preferences Customizing WDM Results Table It is possible to select which results you would like to be displayed in the Results tab of your WDM tests To customize the results ta...

Страница 61: ...hannel Signal Power indicates the signal power for the selected channel excludes noise OSNR is the Optical Signal to Noise Ratio given by Signal power according to the current calculation method in dB...

Страница 62: ...eferences 4 Press Up or Down to change the order in which the columns will appear in the Results tab 5 Press OK to save the changes and close the window or press Cancel to exit without saving Press Re...

Страница 63: ...to be saved Defining a file autonaming format will allow you to quickly and automatically name traces in a sequential order The customized name appears when the file is saved using the Save As option...

Страница 64: ...indicates the current acquisition type selected Scan count indicates the current number of scans in the acquisition tab Link ID indicates the prefix value for the link ID configured in the Preference...

Страница 65: ...will appear in the file name Based on the fields selected a preview of the file name shall be displayed under File name preview The field values are separated with an underscore _ 5 Press OK to save...

Страница 66: ...and settings These settings are applied on subsequent acquisitions You can set the channel list global thresholds default channel thresholds channel parameters manage favorite configurations and perfo...

Страница 67: ...If these settings are modified they will be applied to the next acquisition However any modifications made in the general parameters can also be applied to the active trace for re analysis To define...

Страница 68: ...Setting Up the Instrument in WDM Mode 60 FTB 5240S 5240BP Setting Up WDM Analysis Parameters 2 Select the General tab...

Страница 69: ...annel settings define the following parameters as needed Clear the Activate default channel selection to use the currently defined channel for analysis This reduces the analysis time by eliminating th...

Страница 70: ...stance is automatically set at the channel edge that is at half of the channel width from the center wavelength Signal power calculation indicates which calculation method to apply for signal power va...

Страница 71: ...he center wavelength is given by the OSNR distance In Band InB The In Band method uses a series of scans having different polarization states to calculate the noise level under the peak In Band In Ban...

Страница 72: ...replace a calibration performed at EXFO but it can help you achieve the specifications if you have determined that for example your modules are used beyond the normal allowed use Entering a value in...

Страница 73: ...s 5 If you want to apply the above settings to the active trace select the Apply to active trace and re analyze option and press OK 6 Press OK to save the changes and close the window or press Cancel...

Страница 74: ...threshold limit is set for a maximum value only The Pass Fail verdict is declared as Pass in green when the value is equal to or less than the maximum threshold set The verdict is declared as Fail in...

Страница 75: ...o activate and deactivate the threshold functionality with a single control When thresholds are globally enabled the results are displayed with the Pass Fail status based on various settings global re...

Страница 76: ...Setting Up the Instrument in WDM Mode 68 FTB 5240S 5240BP Setting Up WDM Analysis Parameters To define global thresholds 1 From the Main Menu press Analysis Setup 2 Select the Global Thresholds tab...

Страница 77: ...Enter values in the boxes as explained below Average signal power dBm indicates the sum of the signal powers of all the peaks detected in the current acquisition divided by the total number of peaks...

Страница 78: ...ab If this option is not selected it will not display the Pass Fail verdict in the Results tab for the empty channels 5 If you want to apply the above settings to the active trace select the Apply to...

Страница 79: ...be applied to any channel found outside the channel list during the next acquisition Note The default thresholds settings are enabled only when the Activate all thresholds option is selected in the Gl...

Страница 80: ...y nm GHz indicates the channel s central wavelength frequency Signal power dBm indicates the signal power for the selected channel excludes noise OSNR dB is the Optical Signal to Noise Ratio given by...

Страница 81: ...s 4 If you want to apply the above settings to the active trace select the Apply to active trace and re analyze option and press OK 5 Press OK to save the changes and close the window or press Cancel...

Страница 82: ...also rapidly create a list of equally spaced channels Once a channel list is created you can modify it as needed You can edit the analysis parameters for one channel or multiple channels Adding Channe...

Страница 83: ...um Analyzer 75 Setting Up WDM Analysis Parameters 2 Select the Channels tab 3 By default the channel list is empty Press Add Channels 4 Enter values in the boxes as explained below Start range nm or T...

Страница 84: ...e channel center wavelength option is set to custom Channel width nm or GHz indicates the limit inside which the power values will be considered in the channel Integrated power is calculated on channe...

Страница 85: ...ct the Apply to active trace and re analyze option 7 Press OK to save the changes and close the window or press Cancel to exit without saving Note The application displays a message if more than 1000...

Страница 86: ...Setting Up the Instrument in WDM Mode 78 FTB 5240S 5240BP Setting Up WDM Analysis Parameters To edit the parameters of a specific channel 1 From the Main Menu press Analysis Setup...

Страница 87: ...or channels to be modified in the channel list Selected channels have a in the first column of the channels table If you want the changes to be applied to all of your channels press Select All Channel...

Страница 88: ...Setting Up the Instrument in WDM Mode 80 FTB 5240S 5240BP Setting Up WDM Analysis Parameters 4 Press Edit Selection...

Страница 89: ...ters 5 Modify the settings as needed For more information about the settings see Adding Channels on page 74 Changing Default Channel Parameters on page 309 and Defining Default Thresholds on page 71 I...

Страница 90: ...turn to the Channels tab which now contains the modified settings 7 If you want to apply the above settings to the active trace select the Apply to active trace and re analyze option in the Channels w...

Страница 91: ...Mode Optical Spectrum Analyzer 83 Setting Up WDM Analysis Parameters To add current peaks Note You can add current peaks to the channel list only if an acquisition has already been performed 1 From th...

Страница 92: ...the current trace will be added to the channel list A warning message will be displayed if any channels are overlapping Press OK to close the warning window Note Changes can be applied to any channel...

Страница 93: ...er 85 Setting Up WDM Analysis Parameters 4 If you want to apply the above settings to the active trace select the Apply to active trace and re analyze option and press OK 5 Press OK to save the change...

Страница 94: ...ations files that contain all of the parameters from the Analysis Setup tab and Acquisition tab When you often use the same settings you can save them as a favorite then recall them for future acquisi...

Страница 95: ...Setting Up the Instrument in WDM Mode Optical Spectrum Analyzer 87 Setting Up WDM Analysis Parameters 2 Select the Favorites tab...

Страница 96: ...p select a file from the favorites list and press Apply Selection The apply selection button will be enabled only when a file is selected from the favorites list When the Apply Selection button is pre...

Страница 97: ...89 Setting Up WDM Analysis Parameters 4 If you want to apply the above settings to the active trace select the Apply to active trace and re analyze option and press OK 5 Press OK to load the configura...

Страница 98: ...Setting Up the Instrument in WDM Mode 90 FTB 5240S 5240BP Setting Up WDM Analysis Parameters To save a test configuration 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 99: ...er 91 Setting Up WDM Analysis Parameters 2 Select the Favorites tab 3 To save an analysis setup to a file press Save As The default directory where the file will be saved is the favorites folder You s...

Страница 100: ...name and press Save The file will be added to the favorites list in the Analysis setup Favorites window 5 If you want to apply the above settings to the active trace select the Apply to active trace a...

Страница 101: ...Setting Up the Instrument in WDM Mode Optical Spectrum Analyzer 93 Setting Up WDM Analysis Parameters To import a test setup 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 102: ...p WDM Analysis Parameters 2 Select the Favorites tab 3 Press Import to import an analysis setup from a file 4 From the Import window select the file you want to import and press Open The file will be...

Страница 103: ...95 Setting Up WDM Analysis Parameters 5 If you want to apply the above settings to the active trace select the Apply to active trace and re analyze option and press OK 6 Press OK to load the configura...

Страница 104: ...Setting Up the Instrument in WDM Mode 96 FTB 5240S 5240BP Setting Up WDM Analysis Parameters To delete a test configuration 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 105: ...Setting Up the Instrument in WDM Mode Optical Spectrum Analyzer 97 Setting Up WDM Analysis Parameters 2 Select the Favorites tab...

Страница 106: ...t in WDM Mode 98 FTB 5240S 5240BP Setting Up WDM Analysis Parameters 3 To delete a configuration file from the favorites list select a file from the favorites list and press Delete Press Yes to delete...

Страница 107: ...h acquisition and averaged with the previous traces Real Time In Real Time acquisition spectral measurements are performed continuously until you press Stop No averaging is done for spectral measureme...

Страница 108: ...etting Up Acquisition Parameters To set parameters in the Acquisition tab 1 From the main window select the Acquisition tab 2 Select the acquisition type If you are performing a Single or Real Time ac...

Страница 109: ...rt and stop values or by selecting a range on the double slider To select the wavelength range using the double slider move the left and right handles on the double slider or simply click on any band...

Страница 110: ......

Страница 111: ...analysis parameters include the channel list details pass fail threshold settings and allows you to select the noise and power calculation methods See Setting Up Drift Analysis Parameters on page 123...

Страница 112: ...and this setup will be used for the next scan This is explained in Using the Discover Feature on page 269 The most efficient way to setup the instrument is to use one of the favorites configurations...

Страница 113: ...formation is saved with all the traces Defining Trace Information The trace information relates to the description of the job to be done cable and job IDs and any relevant information about what is be...

Страница 114: ...40S 5240BP Defining Preferences 2 Select the General tab 3 Define the general parameters as needed 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press Clea...

Страница 115: ...Setting Up the Instrument in Drift Mode Optical Spectrum Analyzer 107 Defining Preferences To enter link and location information 1 From the Main Menu press Preferences 2 Select the Information tab...

Страница 116: ...ation of the link System Sets the system information 4 Under Location Information define the following parameters as needed Network element Sets the type of network element Test point Sets the test po...

Страница 117: ...Setting Up the Instrument in Drift Mode Optical Spectrum Analyzer 109 Defining Preferences To enter comments 1 From the Main Menu press Preferences...

Страница 118: ...S 5240BP Defining Preferences 2 Select the Comments tab 3 Enter your comments for the current trace 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press Cle...

Страница 119: ...splay Parameters The application allows you to set display settings for the acquisition trace You can set the spectral unit for the trace and the results table You can also select the label that shoul...

Страница 120: ...Setting Up the Instrument in Drift Mode 112 FTB 5240S 5240BP Defining Preferences 2 Select the Display tab...

Страница 121: ...ical Spectrum Analyzer 113 Defining Preferences 3 Select the spectral unit you want to work with With the nanometer nm spectral unit the trace will appear as shown below With the terahertz THz spectra...

Страница 122: ...Setting Up the Instrument in Drift Mode 114 FTB 5240S 5240BP Defining Preferences 4 Select the label that will appear on the peaks in the graph...

Страница 123: ...The channel name and channel number cannot be shown at the same time If a number is displayed on the peak it means that the channel name for that peak is not defined If a channel name is defined for t...

Страница 124: ...Setting Up the Instrument in Drift Mode 116 FTB 5240S 5240BP Defining Preferences 5 Select Show to enable horizontal markers in the Markers tab If Hide is selected horizontal markers will be disabled...

Страница 125: ...alyzer 117 Defining Preferences 6 Select the background color scheme for Graph as desired 7 Press OK to save the changes and close the window or press Cancel to exit without saving Press Restore Defau...

Страница 126: ...B 5240S 5240BP Defining Preferences Customizing Drift Results Table It is possible to select which results you would like to be displayed in the Results tab of your Drift tests To customize the result...

Страница 127: ...ral center of mass for the peak in that channel Signal Power indicates the signal power for the selected channel excludes noise OSNR is the Optical Signal to Noise Ratio given by Signal power accordin...

Страница 128: ...be saved Defining a file autonaming format will allow you to quickly and automatically name traces in a sequential order The customized name appears when the file is saved using the Save As option It...

Страница 129: ...n type indicates the current acquisition type selected Scan count indicates the current number of scans in the acquisition tab Link ID indicates the prefix value for the link ID configured in the Pref...

Страница 130: ...ll appear in the file name Based on the fields selected a preview of the file name shall be displayed under File name preview The field values are separated with an underscore _ 5 Press OK to save the...

Страница 131: ...el list and settings These settings are applied on subsequent acquisitions You can set the channel list global thresholds default channel thresholds channel parameters manage favorite configurations a...

Страница 132: ...ults These calculations take place after an acquisition If these settings are modified they will be applied to the next acquisition To define general settings 1 From the Main Menu press Analysis Setup...

Страница 133: ...Setting Up the Instrument in Drift Mode Optical Spectrum Analyzer 125 Setting Up Drift Analysis Parameters 2 Select the General tab...

Страница 134: ...channel will not be detected or analyzed Channel width GHz or nm indicates the limit inside which the power values will be considered in the channel For default channels the channel width that sets t...

Страница 135: ...sum of the power values included between the channel limits of this channel minus the estimated noise contribution between the same boundaries In some cases for instance CATV signals signals with hig...

Страница 136: ...center wavelength is given by the OSNR distance In Band InB The In Band method uses a series of scans having different polarization states to calculate the noise level under the peak In Band In Band...

Страница 137: ...h of the response curve at half peak power i e 3 dB down of the instrument to a monochromatic test signal The instrument s RBW value is written below the graph on the right below wavelength offset Wav...

Страница 138: ...dules are used beyond the normal allowed use The power offset appears in the graph on the left above the arrow To edit the power offset value in percentage press Edit button The percentage value enter...

Страница 139: ...nly The threshold limit is set for a maximum value only The Pass Fail verdict is declared as Pass in green when the value is equal to or less than the maximum threshold set The verdict is declared as...

Страница 140: ...Thresholds will be applied to the channel results during the next acquisition The application allows you to activate and deactivate the threshold functionality with a single control When thresholds a...

Страница 141: ...um Analyzer 133 Setting Up Drift Analysis Parameters When thresholds are globally disabled the results in the Channel Results tab are also displayed without a Pass Fail status To define channel result...

Страница 142: ...Setting Up the Instrument in Drift Mode 134 FTB 5240S 5240BP Setting Up Drift Analysis Parameters 2 Select the Thresholds tab...

Страница 143: ...nalysis Parameters 3 Select the Activate all thresholds option to manually set the channel threshold values If this option is not selected all the thresholds will be deactivated results are displayed...

Страница 144: ...al power dBm indicates the signal power for the selected channel excludes noise OSNR dB is the Optical Signal to Noise Ratio given by Signal power according to the current calculation method in dBm mi...

Страница 145: ...data You can also rapidly create a list of equally spaced channels Once a channel list is created you can modify it as needed You can edit the analysis parameters for one channel or multiple channels...

Страница 146: ...40S 5240BP Setting Up Drift Analysis Parameters 2 Select the Channels tab 3 By default the channel list is empty Press Add Channels 4 Enter values in the boxes as explained below Start range nm or THz...

Страница 147: ...Channel distance nm or GHz indicates distance between the channels The value of channel distance will be set depending on the selection made for the channel center wavelength option The channel dista...

Страница 148: ...are overlapping but the analysis can still be performed on overlapping channels If any duplicate channels are added a confirmation message will be displayed to overwrite the existing channels with the...

Страница 149: ...Setting Up the Instrument in Drift Mode Optical Spectrum Analyzer 141 Setting Up Drift Analysis Parameters To edit the parameters of a specific channel 1 From the Main Menu press Analysis Setup...

Страница 150: ...Setting Up the Instrument in Drift Mode 142 FTB 5240S 5240BP Setting Up Drift Analysis Parameters 2 Select the Channels tab...

Страница 151: ...fied in the channel list Selected channels have a in the first column of the channels table If you want the changes to be applied to all of your channels press Select All Channels can be selected one...

Страница 152: ...hannels on page 137 Changing Default Channel Parameters on page 309 and Defining Channel Thresholds on page 132 If you leave a box empty it will remain as it was before your changes Modify appropriate...

Страница 153: ...Mode Optical Spectrum Analyzer 145 Setting Up Drift Analysis Parameters To add current peaks Note You can add current peaks to the channel list only if an acquisition has already been performed 1 From...

Страница 154: ...nel list A warning message will be displayed if any channels are overlapping Press OK to close the warning window Note Changes can be applied to any channel at any time Note If some channels were alre...

Страница 155: ...onfigurations files that contain all of the parameters from the Analysis Setup tab and Acquisition tab When you often use the same settings you can save them as a favorite then recall them for future...

Страница 156: ...Setting Up the Instrument in Drift Mode 148 FTB 5240S 5240BP Setting Up Drift Analysis Parameters 2 Select the Favorites tab...

Страница 157: ...d press Apply Selection The apply selection button will be enabled only when a file is selected from the favorites list When the Apply Selection button is pressed the content of the file will be loade...

Страница 158: ...Setting Up the Instrument in Drift Mode 150 FTB 5240S 5240BP Setting Up Drift Analysis Parameters To save a test configuration 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 159: ...Setting Up the Instrument in Drift Mode Optical Spectrum Analyzer 151 Setting Up Drift Analysis Parameters 2 Select the Favorites tab...

Страница 160: ...B 5240S 5240BP Setting Up Drift Analysis Parameters 3 To save an analysis setup to a file press Save As The default directory where the file will be saved is the favorites folder You should use this f...

Страница 161: ...tting Up Drift Analysis Parameters 4 In the Save As window enter a file name and press Save The file will be added to the favorites list in the Analysis setup Favorites window 5 Press OK to load the c...

Страница 162: ...Setting Up the Instrument in Drift Mode 154 FTB 5240S 5240BP Setting Up Drift Analysis Parameters To import a test setup 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 163: ...ing Up Drift Analysis Parameters 2 Select the Favorites tab 3 Press Import to import an analysis setup from a file 4 From the Import window select the file you want to import and press Open The file w...

Страница 164: ...240S 5240BP Setting Up Drift Analysis Parameters 5 Press OK to load the configuration and close the window or press Cancel to exit without saving To delete a test configuration 1 From the Main Menu pr...

Страница 165: ...Setting Up the Instrument in Drift Mode Optical Spectrum Analyzer 157 Setting Up Drift Analysis Parameters 2 Select the Favorites tab...

Страница 166: ...in Drift Mode 158 FTB 5240S 5240BP Setting Up Drift Analysis Parameters 3 To delete a configuration file from the favorites list select a file from the favorites list and press Delete Press Yes to del...

Страница 167: ...after each acquisition and averaged with the previous traces In Band The In Band method can be used to measure noise in some or all channels This mode will perform a series of scans in different pola...

Страница 168: ...n is running in the module the Start button is disabled You are notified that the acquisition is in progress in the status bar The trial scan is performed using the analysis setup parameters When the...

Страница 169: ...alue If you are performing an Averaging or In Band type acquisition enter the number of scans the unit will perform 4 Select the wavelength range for your acquisition You can select the wavelength ran...

Страница 170: ...531 nm C band conventional erbium window 1529 to 1566 nm L band long wavelengths 1564 to 1626 nm U band ultralong wavelengths 1624 to 1650 nm To set parameters in the Drift Settings tab 1 From the mai...

Страница 171: ...ng count to configure a time that should be elapsed between the start of each acquisition during a drift measurement 4 Select a duration unit and enter a duration count to configure the total duration...

Страница 172: ...rent acquisition in a separate osawdm file when a significant event occurs during the drift measurement A significant event is when a value from a given channel has crossed its threshold going from pa...

Страница 173: ...t mode as explained in Selecting a Test Mode on page 18 before setting up the DFB test parameters The preferences are the result displayed in the graph and tables as well as the job information and re...

Страница 174: ...on is saved with all the traces Defining Trace Information The trace information relates to the description of the job to be done cable and job IDs and any relevant information about what is being tes...

Страница 175: ...Analyzer 167 Defining Preferences 2 Select the General tab 3 Define the general parameters as needed 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press C...

Страница 176: ...Setting Up the Instrument in DFB Mode 168 FTB 5240S 5240BP Defining Preferences To enter link and location information 1 From the Main Menu press Preferences 2 Select the Information tab...

Страница 177: ...entation of the link System Sets the system information 4 Under Location Information define the following parameters as needed Network element Sets the type of network element Test point Sets the test...

Страница 178: ...Setting Up the Instrument in DFB Mode 170 FTB 5240S 5240BP Defining Preferences To enter comments 1 From the Main Menu press Preferences...

Страница 179: ...nalyzer 171 Defining Preferences 2 Select the Comments tab 3 Enter your comments for the current trace 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press...

Страница 180: ...Parameters The application allows you to set display settings for the acquisition trace You can set the spectral unit for the trace and the results table You can also select the label that should appe...

Страница 181: ...Setting Up the Instrument in DFB Mode Optical Spectrum Analyzer 173 Defining Preferences 2 Select the Display tab...

Страница 182: ...174 FTB 5240S 5240BP Defining Preferences 3 Select the spectral unit you want to work with With the nanometer nm spectral unit the trace will appear as shown below With the terahertz THz spectral unit...

Страница 183: ...lyzer 175 Defining Preferences 4 Select the background color scheme for Graph as desired 5 Press OK to save the changes and close the window or press Cancel to exit without saving Press Restore Defaul...

Страница 184: ...e saved Defining a file autonaming format will allow you to quickly and automatically name traces in a sequential order The customized name appears when the file is saved using the Save As option It i...

Страница 185: ...type indicates the current acquisition type selected Scan count indicates the current number of scans in the acquisition tab Link ID indicates the prefix value for the link ID configured in the Prefe...

Страница 186: ...l appear in the file name Based on the fields selected a preview of the file name shall be displayed under File name preview The field values are separated with an underscore _ 5 Press OK to save the...

Страница 187: ...raging Spectral measurements are performed based on the number of scans that you have entered for this parameter The trace will be displayed after each acquisition and averaged with the previous trace...

Страница 188: ...etting Up Acquisition Parameters To set parameters in the Acquisition tab 1 From the main window select the Acquisition tab 2 Select the acquisition type If you are performing a Single or Real Time ac...

Страница 189: ...stop values or by selecting a range on the double slider To select the wavelength range using the double slider move the left and right handles on the double slider or simply click on any band The wa...

Страница 190: ......

Страница 191: ...th each file See Defining Preferences on page 184 for more details The analysis parameters include the channel list details pass fail threshold settings and allows you to select the noise and power ca...

Страница 192: ...able This information is saved with all the traces Defining Trace Information The trace information relates to the description of the job to be done cable and job IDs and any relevant information abou...

Страница 193: ...l Spectrum Analyzer 185 Defining Preferences 2 Select the General tab 3 Define the general parameters as needed 4 Press OK to save the changes and close the window or press Cancel to exit without savi...

Страница 194: ...ting Up the Instrument in Spectral Transmittance Mode 186 FTB 5240S 5240BP Defining Preferences To enter link and location information 1 From the Main Menu press Preferences 2 Select the Information t...

Страница 195: ...ts the orientation of the link System Sets the system information 4 Under Location Information define the following parameters as needed Network element Sets the type of network element Test point Set...

Страница 196: ...Setting Up the Instrument in Spectral Transmittance Mode 188 FTB 5240S 5240BP Defining Preferences To enter comments 1 From the Main Menu press Preferences...

Страница 197: ...Spectrum Analyzer 189 Defining Preferences 2 Select the Comments tab 3 Enter your comments for the current trace 4 Press OK to save the changes and close the window or press Cancel to exit without sav...

Страница 198: ...g Display Parameters The application allows you to set display settings for the acquisition trace You can set the spectral unit for the trace and the results table You can also select the label that s...

Страница 199: ...Setting Up the Instrument in Spectral Transmittance Mode Optical Spectrum Analyzer 191 Defining Preferences 2 Select the Display tab...

Страница 200: ...ance Mode 192 FTB 5240S 5240BP Defining Preferences 3 Select the spectral unit you want to work with With the nanometer nm spectral unit the trace will appear as shown below With the terahertz THz spe...

Страница 201: ...e Instrument in Spectral Transmittance Mode Optical Spectrum Analyzer 193 Defining Preferences 4 Select Show to enable horizontal markers in the Markers tab If Hide is selected horizontal markers will...

Страница 202: ...B 5240S 5240BP Defining Preferences 5 Select the background color scheme for Graph as desired 6 Press OK to save the changes and close the window or press Cancel to exit without saving Press Restore D...

Страница 203: ...e of the next file to be saved Defining a file autonaming format will allow you to quickly and automatically name traces in a sequential order The customized name appears when the file is saved using...

Страница 204: ...ition type indicates the current acquisition type selected Scan count indicates the current number of scans in the acquisition tab Link ID indicates the prefix value for the link ID configured in the...

Страница 205: ...eld values will appear in the file name Based on the fields selected a preview of the file name shall be displayed under File name preview The field values are separated with an underscore _ 5 Press O...

Страница 206: ...ysis Parameters This section presents the various analysis settings for the application particularly the channel list and settings These settings are applied on subsequent acquisitions Note The analys...

Страница 207: ...ters for spectral transmittance acquisitions affect the calculation of the results These calculations take place after an acquisition If these settings are modified they will be applied to the next ac...

Страница 208: ...Setting Up the Instrument in Spectral Transmittance Mode 200 FTB 5240S 5240BP Setting Up Spectral Transmittance Analysis Parameters 2 Select the ST Analysis tab...

Страница 209: ...he channel Centred on max peak Channel is centered on the lowest insertion loss peak ITU Grid Select the nearest ITU channel from the peak with lowest insertion loss CWDM Select the nearest CWDM chann...

Страница 210: ...he power level used relative to the channel peak power to compute the bandwidth Input wavelength offset nm indicates the offset value applied on the input wavelength You can use an offset to adjust yo...

Страница 211: ...ave determined that for example your modules are used beyond the normal allowed use Entering a value in THz is not possible The wavelength offset appears below the graph on the right next to the arrow...

Страница 212: ...s Parameters 4 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option and press OK 5 Press OK to save the changes and close the windo...

Страница 213: ...on is available Averaging Spectral measurements are performed based on the number of scans that you have entered for this parameter The trace will be displayed after each acquisition and averaged with...

Страница 214: ...S 5240BP Setting Up Acquisition Parameters To set parameters in the Acquisition tab 1 From the main window select the Acquisition tab 2 Select the acquisition type If you are performing a Single or Re...

Страница 215: ...will perform 3 Press Input or Output to specify which position to use to store the next acquisition 4 Select the wavelength range for your acquisition You can select the wavelength range by entering...

Страница 216: ...wavelength range covered within these bands of the spectra are listed below O band original 1259 to 1361 nm E band extended 1359 to 1461 nm S band short wavelengths 1459 to 1531 nm C band conventional...

Страница 217: ...nclude the type of measurement you want to perform and the wavelength range See Setting Up Acquisition Parameters on page 265 for more details You can set up your unit in different manners depending o...

Страница 218: ...ion is saved with all the traces Defining Trace Information The trace information relates to the description of the job to be done cable and job IDs and any relevant information about what is being te...

Страница 219: ...m Analyzer 211 Defining Preferences 2 Select the General tab 3 Define the general parameters as needed 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press...

Страница 220: ...Setting Up the Instrument in EDFA Mode 212 FTB 5240S 5240BP Defining Preferences To enter link and location information 1 From the Main Menu press Preferences...

Страница 221: ...alue Starting value Sets the suffix increment starting value for the link ID This value is incremented each time a new file is saved provided the Auto Increment option is selected Orientation Sets the...

Страница 222: ...k element Sets the type of network element Test point Sets the test point Description Enter the description of location if required 5 Press OK to save the changes and close the window or press Cancel...

Страница 223: ...Analyzer 215 Defining Preferences 2 Select the Comments tab 3 Enter your comments for the current trace 4 Press OK to save the changes and close the window or press Cancel to exit without saving Press...

Страница 224: ...Parameters The application allows you to set display settings for the acquisition trace You can set the spectral unit for the trace and the results table You can also select the label that should app...

Страница 225: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 217 Defining Preferences 2 Select the Display tab...

Страница 226: ...218 FTB 5240S 5240BP Defining Preferences 3 Select the spectral unit you want to work with With the nanometer nm spectral unit the trace will appear as shown below With the terahertz THz spectral uni...

Страница 227: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 219 Defining Preferences 4 Select the label that will appear on the peaks in the graph...

Страница 228: ...hannel name and channel number cannot be shown at the same time If a number is displayed on the peak it means that the channel name for that peak is not defined If a channel name is defined for the pe...

Страница 229: ...in EDFA Mode Optical Spectrum Analyzer 221 Defining Preferences 5 Select Show to display the empty channels from the channel list in the Results tab If Hide is selected it will not display the empty c...

Страница 230: ...Setting Up the Instrument in EDFA Mode 222 FTB 5240S 5240BP Defining Preferences 6 Select Show to enable horizontal markers in the Markers tab If Hide is selected horizontal markers will be disabled...

Страница 231: ...alyzer 223 Defining Preferences 7 Select the background color scheme for Graph as desired 8 Press OK to save the changes and close the window or press Cancel to exit without saving Press Restore Defau...

Страница 232: ...B 5240S 5240BP Defining Preferences Customizing EDFA Results Table It is possible to select which results you would like to be displayed in the Results tab of your EDFA tests To customize the results...

Страница 233: ...s the spectral center of mass for the peak in that channel Input Signal Power indicates the signal power for the selected channel excludes noise Output Signal Power indicates the signal power for the...

Страница 234: ...A s noise figure measured for the selected channel Gain Avg Gain indicates the selected channel gain minus the average of all channel gains 4 Press Up or Down to change the order in which the columns...

Страница 235: ...to be saved Defining a file autonaming format will allow you to quickly and automatically name traces in a sequential order The customized name appears when the file is saved using the Save As option...

Страница 236: ...e indicates the current acquisition type selected Scan count indicates the current number of scans in the acquisition tab Link ID indicates the prefix value for the link ID configured in the Preferenc...

Страница 237: ...s will appear in the file name Based on the fields selected a preview of the file name shall be displayed under File name preview The field values are separated with an underscore _ 5 Press OK to save...

Страница 238: ...s analysis settings for the application particularly the channel list and settings These settings are applied on subsequent acquisitions You can set the channel list channel parameters manage favorite...

Страница 239: ...results These calculations take place after an acquisition If these settings are modified they will be applied to the next acquisition To define general settings 1 From the Main Menu press Analysis Se...

Страница 240: ...Setting Up the Instrument in EDFA Mode 232 FTB 5240S 5240BP Setting Up EDFA Analysis Parameters 2 Select the General tab...

Страница 241: ...hannel settings define the following parameters as needed Clear the Activate default channel selection to use the currently defined channel for analysis This reduces the analysis time by eliminating t...

Страница 242: ...distance is defined while creating a channel list If the channel width is not compatible with the channel spacing either a single peak may be found for two distinct channels and two analysis would be...

Страница 243: ...ength You can use an offset to adjust your unit This does not replace a calibration performed at EXFO but it can help you achieve the specifications if you have determined that for example your module...

Страница 244: ...is not possible The wavelength offset appears below the graph on the right next to the arrow Output power offset dB indicates the offset value applied on the output power You can use an offset to adju...

Страница 245: ...5 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option and press OK 6 Press OK to save the changes and close the window or press Ca...

Страница 246: ...You can also rapidly create a list of equally spaced channels Once a channel list is created you can modify it as needed You can edit the analysis parameters for one channel or multiple channels Addin...

Страница 247: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 239 Setting Up EDFA Analysis Parameters 2 Select the Channels tab 3 By default the channel list is empty Press Add Channels...

Страница 248: ...avelength option the first channel will be centered at the Start Range and the list will be created using channel distance and channel width Channel distance nm or GHz indicates distance between the c...

Страница 249: ...w lists the added channels Note When new channels are added the Use Default thresholds will be applied to the channel parameters Note A warning message will be displayed if any channels are overlappin...

Страница 250: ...press Cancel to exit without saving Note The application displays a message if more than 1000 channels are added You can exit the Analysis Setup window only after deleting the extra channels from the...

Страница 251: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 243 Setting Up EDFA Analysis Parameters 2 Select the Channels tab...

Страница 252: ...in the channel list Selected channels have a in the first column of the channels table If you want the changes to be applied to all of your channels press Select All Channels can be selected one by on...

Страница 253: ...Parameters 5 Modify the settings as needed For more information about the settings see Adding Channels on page 238 If you leave a box empty it will remain as it was before your changes Modify appropri...

Страница 254: ...FA Analysis Parameters 7 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option in the Channels window and press OK 8 Press OK to sav...

Страница 255: ...Spectrum Analyzer 247 Setting Up EDFA Analysis Parameters To add current peaks Note You can add current peaks to the channel list only if an acquisition has already been performed 1 From the Main Menu...

Страница 256: ...trace will be added to the channel list A warning message will be displayed if any channels are overlapping Press OK to close the warning window Note Changes can be applied to any channel at any time...

Страница 257: ...49 Setting Up EDFA Analysis Parameters 4 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option and press OK 5 Press OK to save the c...

Страница 258: ...rations files that contain all of the parameters from the Analysis Setup tab and Acquisition tab When you often use the same settings you can save them as a favorite then recall them for future acquis...

Страница 259: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 251 Setting Up EDFA Analysis Parameters 2 Select the Favorites tab...

Страница 260: ...up select a file from the favorites list and press Apply Selection The apply selection button will be enabled only when a file is selected from the favorites list When the Apply Selection button is pr...

Страница 261: ...Setting Up EDFA Analysis Parameters 4 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option and press OK 5 Press OK to load the conf...

Страница 262: ...Setting Up the Instrument in EDFA Mode 254 FTB 5240S 5240BP Setting Up EDFA Analysis Parameters To save a test configuration 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 263: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 255 Setting Up EDFA Analysis Parameters 2 Select the Favorites tab...

Страница 264: ...is setup to a file press Save As The default directory where the file will be saved is the favorites folder You should use this folder unless you save the file on a USB stick 4 In the Save As window e...

Страница 265: ...Setting Up EDFA Analysis Parameters 5 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option and press OK 6 Press OK to load the conf...

Страница 266: ...Setting Up the Instrument in EDFA Mode 258 FTB 5240S 5240BP Setting Up EDFA Analysis Parameters To import a test setup 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 267: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 259 Setting Up EDFA Analysis Parameters 2 Select the Favorites tab 3 Press Import to import an analysis setup from a file...

Страница 268: ...n EDFA Mode 260 FTB 5240S 5240BP Setting Up EDFA Analysis Parameters 4 From the Import window select the file you want to import and press Open The file will be added to the favorites list in the Anal...

Страница 269: ...Setting Up EDFA Analysis Parameters 5 If you want to apply the above settings to the active trace select the Apply to current measurement and re analyze option and press OK 6 Press OK to load the conf...

Страница 270: ...Setting Up the Instrument in EDFA Mode 262 FTB 5240S 5240BP Setting Up EDFA Analysis Parameters To delete a test configuration 1 From the Main Menu press Analysis Setup OR From the main window press...

Страница 271: ...Setting Up the Instrument in EDFA Mode Optical Spectrum Analyzer 263 Setting Up EDFA Analysis Parameters 2 Select the Favorites tab...

Страница 272: ...in EDFA Mode 264 FTB 5240S 5240BP Setting Up EDFA Analysis Parameters 3 To delete a configuration file from the favorites list select a file from the favorites list and press Delete Press Yes to dele...

Страница 273: ...eraging Spectral measurements are performed based on the number of scans that you have entered for this parameter The trace will be displayed after each acquisition and averaged with the previous trac...

Страница 274: ...Setting Up Acquisition Parameters To set parameters in the Acquisition tab 1 From the main window select the Acquisition tab 2 Select the acquisition type If you are performing a Single or Real Time a...

Страница 275: ...form 3 Press Input or Output to specify which position to use to store the next acquisition 4 Select the wavelength range for your acquisition You can select the wavelength range by entering the start...

Страница 276: ...h range covered within these bands of the spectra are listed below O band original 1259 to 1361 nm E band extended 1359 to 1461 nm S band short wavelengths 1459 to 1531 nm C band conventional erbium w...

Страница 277: ...processing empty the channel list set the analysis parameters to default values equivalent to pressing the default button in every setup screen If no channel is detected with this first scan then the...

Страница 278: ...sition option is always inactive and the analysis is performed on each channel The application displays the results and graph for the detected channels and the newly discovered analysis parameters are...

Страница 279: ...Testing DWDM Systems Optical Spectrum Analyzer 271 Using the Discover Feature To start an automatic setup scan From the Main Menu press Discover WDM Mode Drift Mode...

Страница 280: ...ready have an active trace on screen that was modified you will be prompted to save it A scan starts automatically When the automatic scan is complete you can start using these newly detected paramete...

Страница 281: ...est mode in Selecting a Test Mode on page 18 For instructions on configuring various test modes refer Setting Up the Instrument in WDM Mode on page 37 Setting Up the Instrument in Drift Mode on page 1...

Страница 282: ...Testing DWDM Systems 274 FTB 5240S 5240BP Starting a Measurement Drift Mode DFB Mode...

Страница 283: ...Testing DWDM Systems Optical Spectrum Analyzer 275 Starting a Measurement Spectral Transmittance Mode EDFA Mode...

Страница 284: ...d The appropriate sequence to perform a measurement is Set up the acquisition and analysis parameters see Setting Up the Instrument in WDM Mode on page 37 Setting Up the Instrument in Drift Mode on pa...

Страница 285: ...saturated and the returned value is probably incorrect Note When an OSNR or a noise result is flagged using a question mark character it means the polarization discrimination is insufficient to make...

Страница 286: ...iew the graph of your acquisition results for a single channel global results and information about the trace Graph Tab The Graph tab allows you to view the spectrum of the active trace This graph rep...

Страница 287: ...isplayed in the Graph tab with information along the following axis values X axis wavelength in nm or frequency in THz Y axis optical power expressed in dBm as measured in the optical resolution bandw...

Страница 288: ...anaging WDM Test Results Your application allows you to toggle the view of your WDM main window You can change the view of the upper and lower tabs from the normal view to 100 upper tabs or 100 lower...

Страница 289: ...t Results For 100 lower tabs view press The graph will display peak indicators for all the channels found by the application A blue horizontal bar will be displayed on the top of the channels with a r...

Страница 290: ...ll width of the channel If Noise for OSNR is InB then the width of the noise level indicator will be 50 GHz or the full width of the channel whichever is the narrowest If Noise for OSNR is InB nf then...

Страница 291: ...n the Results table P F indicates Pass Fail status of the channel indicates Pass status indicates Fail status meaning at least one parameter failed Ch indicates the channel number Channel 1 correspond...

Страница 292: ...measured by taking the width of a signal at 50 linear power of the peak or 3 dB from the peak BW x dB nm indicates bandwidth measured by taking the width of a signal at x dB from the peak A small red...

Страница 293: ...arkers are represented both in the graph and the markers tab to customize your markers The application allows you to fix the distance between the vertical markers When this feature is activated while...

Страница 294: ...llowing values related to the vertical markers will be displayed in the Markers tab power value corresponding to the wavelength position of both the markers wavelength difference between the markers A...

Страница 295: ...changes according to the marker s position If you want to set a precise value for the marker simply enter it in the box Note After using the zoom tools in the Graph tab you can only move the markers...

Страница 296: ...ws information related to acquisition parameters and conditions You can also edit information about the tested fiber and job or add comments This information is saved along with the trace To view trac...

Страница 297: ...he general information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press OK to save the changes and close the...

Страница 298: ...ication 3 Select the Information tab 4 Edit the information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press...

Страница 299: ...ion 3 Select the Comments tab 4 Edit comments in the Comments window for the current trace Note If you want to apply the above settings to the preferences tab select the Apply to Preferences option an...

Страница 300: ...w complete information about the parameters measured for the selected channel The pass fail verdict for thresholds are also displayed in the Channel Results tab If the verdict is fail for any paramete...

Страница 301: ...for the peak in that channel Wavelength Frequency deviation indicates the difference between the channel center wavelength frequency and the measured signal center wavelength frequency Signal power in...

Страница 302: ...ts of this channel minus the estimated noise contribution between the same boundaries In some cases for instance CATV signals signals with high frequency modulation or signals with an inherent line wi...

Страница 303: ...is estimated from the center wavelength is given by the OSNR distance In Band InB The In Band method uses a series of scans having different polarization states to calculate the noise level in band In...

Страница 304: ...hannels results in the global results These channels will be integrated in the average signal power average OSNR flatness etc in the global results and will be enabled in the Results tab To include ch...

Страница 305: ...Managing Results Optical Spectrum Analyzer 297 Managing WDM Test Results 2 Select a row from the Results tab to view the channel results for the selected channel...

Страница 306: ...Managing Results 298 FTB 5240S 5240BP Managing WDM Test Results 3 Select the Include in calculation option...

Страница 307: ...Managing Results Optical Spectrum Analyzer 299 Managing WDM Test Results To re analyze channel results 1 From the main window select the Channel Results tab 2 Press Channel Parameters...

Страница 308: ...ndicates the name of the channel Channel Center nm or THz indicates the central wavelength frequency for the channel Channel width GHz or nm indicates the limit inside which the power values will be c...

Страница 309: ...m due to the fact that the estimated noise is subtracted to get the peak signal power Total channel power The total channel power represents the sum of the power values included inside the channel wid...

Страница 310: ...ntral wavelength frequency Signal power dBm indicates the signal power for the selected channel excludes noise OSNR dB is the Optical Signal to Noise Ratio given by Signal power according to the curre...

Страница 311: ...the channel is not present in the channel list it will be added provided the number of channels does not exceed the maximum allowed count of 1000 channels in the channel list Note The application wil...

Страница 312: ...s From the main window select the Global Results tab Results for the following parameters for all the channels will be displayed Average signal power indicates the sum of the signal powers of all the...

Страница 313: ...the resolution bandwidth for the selected OSNR value Wavelength offset indicates the offset value applied on the wavelength Power offset indicates the offset value applied on the power In addition you...

Страница 314: ...e changes pertain to the analysis thresholds and the channel parameters After changing the parameters you can analyze the trace again to view the results Changing Global Analysis Parameters Note The m...

Страница 315: ...the peak can be considered as a signal RBW for OSNR nm indicates the resolution bandwidth for the selected OSNR value The resolution bandwidth of an OSA determines its ability to deal with close optic...

Страница 316: ...can use an offset to adjust your unit This does not replace a calibration performed at EXFO but it can help you achieve the specifications if you have determined that for example your modules are use...

Страница 317: ...aging WDM Test Results Changing Default Channel Parameters Default channel settings will define how any channel found outside the channel list will be analyzed To change default channel parameters 1 F...

Страница 318: ...Managing Results 310 FTB 5240S 5240BP Managing WDM Test Results 2 Press Global Parameters 3 Select the Default Channel tab...

Страница 319: ...channel width that sets the limits of the channel should be the same as the channel distance or smaller channel distance is defined while creating a channel list If the channel width is not compatible...

Страница 320: ...m due to the fact that the estimated noise is subtracted to get the peak signal power Total channel power The total channel power represents the sum of the power values included inside the channel wid...

Страница 321: ...rol When thresholds are globally enabled the results are displayed with the Pass Fail status based on various settings global results channel results In addition a global pass fail status is also disp...

Страница 322: ...Managing Results 314 FTB 5240S 5240BP Managing WDM Test Results To change global threshold parameters 1 From the main window select the Global Results tab...

Страница 323: ...s option to manually set the global threshold values 5 Enter values in the boxes as explained below Average signal power dBm is the sum of all signal power of all the peaks detected in the current acq...

Страница 324: ...d minimum OSNR values of the detected peaks in dB Empty channel count Select this option to obtain the number of empty channels from the channel list in the Global Results tab If this option is not se...

Страница 325: ...quisition Note The default thresholds settings are enabled only when the Activate all thresholds option is selected in the Global Thresholds tab For more information see Changing Global Thresholds Par...

Страница 326: ...Managing Results 318 FTB 5240S 5240BP Managing WDM Test Results 2 Press Global Parameters 3 Select the Default Thresholds tab...

Страница 327: ...e selected channel excludes noise OSNR dB is the Optical Signal to Noise Ratio given by Signal power according to the current calculation method in dBm minus Noise according to the current calculation...

Страница 328: ...history results for a single channel and information about the trace Dashboard Tab The dashboard shall provide a way to view at a glance the pass fail status of each parameter for each channel that is...

Страница 329: ...ard displays the pass fail status for each of the following parameters Central wavelength frequency Signal power OSNR Both the current pass fail status last completed acquisition and the historical pa...

Страница 330: ...g Drift Test Results The dashboard shows a global status all channels for each parameter This global status is set to Fail if at least a single channel has a failed historical status for that given pa...

Страница 331: ...Drift Test Results The dashboard displays a channel status all parameters for a given channel This channel status is set to Fail if at least one of the parameter has a failed historical status for th...

Страница 332: ...ft Results tab in the Preferences Window The three graphs are X Y plots of Spectral position center of mass of wavelength or frequency of the channel against time Signal power of the channel against t...

Страница 333: ...or the selected channel only The pass fail verdict for thresholds are also displayed in the results table If the verdict is fail for any parameter its value will appear in red The application displays...

Страница 334: ...ayed Reference indicates the channel reference values for the current drift acquired during the initial acquisition Current Drift indicates the current drift values that is the current deviation from...

Страница 335: ...ft Test Results A small red marker will point down at the peak in the WDM Graph tab when you select a channel in the Channel History tab The red marker will move accordingly to indicate the correspond...

Страница 336: ...tab allows you to view the spectrum of the active trace for the last WDM acquisition in your drift measurement This graph represents the optical power against wavelength When there is no acquisition...

Страница 337: ...the optical resolution bandwidth RBW of the OSA This reference RBW is shown at the bottom right of the graph The graph will display peak indicators for all the channels found by the application A blu...

Страница 338: ...are represented both in the graph and the markers tab to customize your markers The application allows you to fix the distance between the vertical markers When this feature is activated while moving...

Страница 339: ...the graph and the following values will be displayed in the Markers tab power value corresponding to the wavelength position of both the markers wavelength difference between the markers A B power di...

Страница 340: ...markers again on the graph after deactivating the zoom Pressing the arrow in the zoom tools section will deactivate the zoom function Note Markers A and B cannot cross Displacing a marker over the sec...

Страница 341: ...Trace Identification 3 Select the General tab 4 Edit the general information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and...

Страница 342: ...fication 3 Select the Information tab 4 Edit the information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press...

Страница 343: ...tion 3 Select the Comments tab 4 Edit comments in the Comments window for the current trace Note If you want to apply the above settings to the preferences tab select the Apply to Preferences option a...

Страница 344: ...ll show complete information about the parameters measured for the selected channel The pass fail verdict for thresholds are also displayed in the Channel Results tab If the verdict is fail for any pa...

Страница 345: ...ral center of mass for the peak in that channel Signal power indicates the signal power for the selected channel excludes noise OSNR is the Optical Signal to Noise Ratio given by Signal power accordin...

Страница 346: ...ation of the true signal power Peak signal power The peak signal power represents the maximum power value inside the channel but it differs a little from the peak measurement on the spectrum due to th...

Страница 347: ...is is because with narrow filters the noise level under the peak is not uniform and the OSNR value depends on the processing width selected Peak detection level indicates the minimum power level from...

Страница 348: ...B test results You can view the graph and results for your DFB laser source DFB Graph Tab The DFB Graph tab allows you to view the spectrum of a DFB laser source This graph represents the optical powe...

Страница 349: ...Y axis optical power expressed in dBm as measured in the optical resolution bandwidth RBW of the OSA This reference RBW is shown at the bottom right of the graph If the current trace was previously s...

Страница 350: ...of a signal at 50 linear power of the peak or 3 dB from the peak Left SMSR indicates the Left side mode suppression ratio It is the power difference between the main mode and the most powerful outsta...

Страница 351: ...ided stopband indicates the spectral position difference between closest left and right side modes adjacent to the main mode Central offset indicates the spectral position of the main mode minus the m...

Страница 352: ...resented both in the graph and the markers tab to customize your markers The application allows you to fix the distance between the vertical markers When this feature is activated while moving any one...

Страница 353: ...ers tab power value corresponding to the wavelength position of both the markers wavelength difference between the markers A B power difference in dB between the markers integrated power between marke...

Страница 354: ...nd one will cause both markers to move together Trace Info Tab After acquiring a trace you might want to view details about the acquisition The Trace Info tab shows information related to acquisition...

Страница 355: ...he general information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press OK to save the changes and close the...

Страница 356: ...ication 3 Select the Information tab 4 Edit the information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press...

Страница 357: ...ion 3 Select the Comments tab 4 Edit comments in the Comments window for the current trace Note If you want to apply the above settings to the preferences tab select the Apply to Preferences option an...

Страница 358: ...n view the graph of your acquisition results for a single channel global results and information about the trace ST Graph Tab The ST Graph tab allows you to view the spectrum of the input trace the ou...

Страница 359: ...cy in THz Y axis optical power expressed in dBm as measured in the optical resolution bandwidth RBW of the OSA This reference RBW is shown at the bottom right of the graph If the current trace was pre...

Страница 360: ...frequency nm or Thz indicates the offset value applied to the nominal wavelength in nm or frequency in THz Insertion loss min dB indicates the minimum difference between a reference power level and th...

Страница 361: ...hese markers are represented both in the graph and the markers tab to customize your markers The application allows you to fix the distance between the vertical markers When this feature is activated...

Страница 362: ...l be displayed in the Markers tab Input and Output power values corresponding to the wavelength position of both the markers wavelength difference between the markers A B power difference in dB betwee...

Страница 363: ...arkers tab changes according to the marker s position If you want to set a precise value for the marker simply enter it in the box Note After using the zoom tools in the ST Graph tab you can only move...

Страница 364: ...conditions You can also edit information about the tested fiber and job or add comments This information is saved along with the trace To view trace information parameters From the main window select...

Страница 365: ...4 Edit the general information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press OK to save the changes and c...

Страница 366: ...e Identification 3 Select the Information tab 4 Edit the information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK...

Страница 367: ...dentification 3 Select the Comments tab 4 Edit comments in the Comments window for the current trace Note If you want to apply the above settings to the preferences tab select the Apply to Preferences...

Страница 368: ...esults tab The following information is displayed in the ST Results pane Nominal center wavelength or frequency nm or Thz indicates a single value that represent the channels center wavelength in nm o...

Страница 369: ...eft or right of the nominal wavelength The worst value between the left and right isolation is kept The following information is displayed in the Analysis parameters pane Channel definition GHz indica...

Страница 370: ...termined that for example your modules are used beyond the normal allowed The power offset appears in the graph on the left above the arrow Output wavelength offset nm indicates the offset value appli...

Страница 371: ...Managing Results Optical Spectrum Analyzer 363 Managing Spectral Transmittance Test Results To edit ST analysis parameters 1 From the main window select the ST Results tab...

Страница 372: ...Managing Results 364 FTB 5240S 5240BP Managing Spectral Transmittance Test Results 2 Press Global Parameters...

Страница 373: ...rest CWDM channel from the peak with lowest insertion loss Custom Channel is centered on value specified by the user Nominal wavelength or frequency nm or Thz indicates a single value that represent t...

Страница 374: ...ormed at EXFO but it can help you achieve the specifications if you have determined that for example your modules are used beyond the normal allowed Entering a value in THz is not possible The wavelen...

Страница 375: ...arrow Output power offset dB indicates the offset value applied on the output power You can use an offset to adjust your unit This does not replace a calibration performed at EXFO but it can help you...

Страница 376: ...the graph of your acquisition results for a single channel global results and information about the trace EDFA Graph Tab The EDFA Graph tab allows you to view the spectrum of the active trace This gra...

Страница 377: ...rence RBW is shown at the bottom right of the graph If the current trace was previously saved the graph will display the file name of the current trace in the title bar The graph will display peak ind...

Страница 378: ...as defined in the channel list Center wavelength frequency indicates the spectral center of mass for the peak in that channel Input Signal Power dBm indicates the input signal power for the selected...

Страница 379: ...selected channel Gain Avg Gain indicates the selected channel gain minus the average of all channel gains A small red marker will point down at the peak in the EDFA Graph tab when you select a row in...

Страница 380: ...e represented both in the graph and the markers tab to customize your markers The application allows you to fix the distance between the vertical markers When this feature is activated while moving an...

Страница 381: ...displayed in the Markers tab Input and Output power values corresponding to the wavelength position of both the markers wavelength difference between the markers A B power difference in dB between the...

Страница 382: ...nges according to the marker s position If you want to set a precise value for the marker simply enter it in the box Note After using the zoom tools in the EDFA Graph tab you can only move the markers...

Страница 383: ...conditions You can also edit information about the tested fiber and job or add comments This information is saved along with the trace To view trace information parameters From the main window select...

Страница 384: ...eneral information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 Press OK to save the changes and close the wind...

Страница 385: ...entification 3 Select the Information tab 4 Edit the information as required Note If you want to apply the above settings to the Preferences tab select the Apply to Preferences option and press OK 5 P...

Страница 386: ...3 Select the Comments tab 4 Edit comments in the Comments window for the current trace Note If you want to apply the above settings to the preferences tab select the Apply to Preferences option and pr...

Страница 387: ...Test Results Channel Results Tab When you select a row from the Results tab the Channel Results tab will show complete information about the parameters measured for the selected channel To view chann...

Страница 388: ...channel list Channel Center nm or THz indicates the central wavelength frequency for the channel Input signal power dBm indicates the input signal power for the selected channel excludes noise Output...

Страница 389: ...output power according to the measured output power Output Signal Power Output Signal Power PASE PASE indicates the power of the spontaneous emission amplified by EDFA PSSE indicates the power of the...

Страница 390: ...You can include selected channels results in the global results calculation To include channels in global measurement results 1 From the main window select Channel Results tab 2 Select a row from the...

Страница 391: ...Managing Results Optical Spectrum Analyzer 383 Managing EDFA Test Results...

Страница 392: ...Managing Results 384 FTB 5240S 5240BP Managing EDFA Test Results 3 Select the Include in calculation option...

Страница 393: ...Managing Results Optical Spectrum Analyzer 385 Managing EDFA Test Results To modify channel results parameters 1 From the main window select the Channel Results tab 2 Press Channel Parameters...

Страница 394: ...Managing Results 386 FTB 5240S 5240BP Managing EDFA Test Results...

Страница 395: ...requency for the channel Channel name indicates the name of the channel Channel width GHz or nm indicates the limit inside which the power values will be considered in the channel 4 Press OK to save t...

Страница 396: ...al powers of all the peaks detected in the current acquisition divided by the total number of peaks Input signal power flatness indicates the difference between the maximum and minimum signal power va...

Страница 397: ...he sum of the gain of all detected channels in the current measurement divided by the total number of channels Gain slope tilt indicates the slope of the linear fit on the gain values of the detected...

Страница 398: ...arameters modifies the active trace These changes pertain to the analysis and the channel parameters Note The modifications made to the global analysis parameters will be applied to the active trace o...

Страница 399: ...ide which the power values will be considered in the channel For default channels the channel width that sets the limits of the channel should be the same as the channel distance or smaller channel di...

Страница 400: ...d as the width of the response curve at half peak power i e 3 dB down of the instrument to a monochromatic test signal The instrument s RBW value is written below the graph on the right below waveleng...

Страница 401: ...eft above the arrow To edit the power offset value in percentage press Edit button The percentage value entered in Edit percentage will be converted to a corresponding equivalent value in dB Output wa...

Страница 402: ...ou have determined that for example your modules are used beyond the normal allowed The power offset appears in the graph on the left above the arrow To edit the power offset value in percentage press...

Страница 403: ...tput traces With this feature the input trace is replaced with the output trace and vice versa All results are recalculated Note Swap Trace feature will not be available if there is no trace in the ap...

Страница 404: ...n a row in the peak results grid the graph will zoom and tab to show that peak covering 75 of the graph canvas By default this option is deactivated Note You can only move the markers with the button...

Страница 405: ...ter of the portion of the graph that is displayed by using respectively or The application automatically adjusts the zoom by 50 and 100 respectively To automatically zoom in on the selected peak Selec...

Страница 406: ...iles for all test modes You can open saved trace files and save current traces Note The procedures explained below for managing the trace files are similar for all test modes Clearing Trace Files The...

Страница 407: ...Managing Results Optical Spectrum Analyzer 399 Managing Trace Files 2 Press New...

Страница 408: ...t saved a trace a warning window appears asking you if you want to save the current trace Press Yes to save the trace Once the trace is saved you can make room for a new trace Press No to create a new...

Страница 409: ...you had already acquired but not saved a trace a warning window appears asking you if you want to save the current trace Press Yes to save the trace Once the trace is saved you can open a new trace P...

Страница 410: ...ata using a temporary setup built from the retrieved channel list retrieved default channel settings and blanks filled using the current Analysis Setup While loading a legacy OSA osw osm file in the W...

Страница 411: ...e to import Select Input Output or Cancel as required If Input or Output is selected application imports the following data from the selected trace Raw trace data Trace information Trace identificatio...

Страница 412: ...file type in DFB mode While loading a WDM osawdm file in the DFB mode the application shall re analyze the newly imported data using the current Analysis Setup and imports the following data from the...

Страница 413: ...ted This means that the application does not change the modified state of the current measurement while loading a WDM file While loading a WDM file the application allows you to select in which trace...

Страница 414: ...Managing Results 406 FTB 5240S 5240BP Managing Trace Files...

Страница 415: ...file the application allows you to select in which trace you want to import the WDM file Select Input Output or Cancel as required If Input or Output is selected application imports the following data...

Страница 416: ...Managing Results 408 FTB 5240S 5240BP Managing Trace Files An example of WDM trace file imported in EDFA mode is shown below...

Страница 417: ...race files for future reference To save files 1 From the Main Menu Press File and then press Save As OR From the main window press 2 If desired change the location 3 If desired change the file name 4...

Страница 418: ...on and save it in html or txt format depending on the supported file type for WDM Drift DFB ST and EDFA test modes The report file will include trace information acquisition conditions and other resul...

Страница 419: ...um Analyzer 411 Generating Reports 2 Press Report 3 In the Save As window enter a file name 4 From the Save as type list select HTML files html to save the report in html format if the file type is su...

Страница 420: ...Managing Results 412 FTB 5240S 5240BP Generating Reports From the Save as type list select txt files txt to save the report in txt format if the file type is supported for selected test mode...

Страница 421: ...enerating Reports 5 Press Save The report will be added to the Reports folder You can change the location where you want to save the report as desired You can view the saved report using the Windows E...

Страница 422: ...Managing Results 414 FTB 5240S 5240BP Generating Reports A sample WDM txt report is shown below...

Страница 423: ...Managing Results Optical Spectrum Analyzer 415 Generating Reports A sample Drift html report is shown below...

Страница 424: ...A sample Drift txt report is shown below...

Страница 425: ...Managing Results Optical Spectrum Analyzer 417 Generating Reports A sample DFB html report is shown below...

Страница 426: ...Managing Results 418 FTB 5240S 5240BP Generating Reports A sample Spectral Transmittance html report is shown below...

Страница 427: ...Managing Results Optical Spectrum Analyzer 419 Generating Reports A sample EDFA html report is shown below...

Страница 428: ......

Страница 429: ...ith 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 vibration...

Страница 430: ...ferrule 2 Moisten a 2 5 mm cleaning tip with one drop of isopropyl alcohol alcohol may leave traces if used abundantly 3 Slowly insert the cleaning tip into the EUI adapter until it comes out on the o...

Страница 431: ...that the connector and ferrule are perfectly dry 6d Verify connector surface with a portable fiber optic microscope for example EXFO s FOMS or fiber inspection probe for example EXFO s FIP 7 Put the...

Страница 432: ...erval unless this has been previously agreed upon with the customer Validity of specifications depends on operating conditions For example the calibration validity period can be longer or shorter depe...

Страница 433: ...to an European Union member state with legislation regarding Directive 2002 96 EC Except for reasons of safety or environmental benefit equipment manufactured by EXFO under its brand name is generall...

Страница 434: ......

Страница 435: ...ntact 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 For detailed information...

Страница 436: ...eshooting 428 FTB 5240S 5240BP About About You can view the product version details and technical support information in this window To view the information about the product 1 From the Main Menu pres...

Страница 437: ...Troubleshooting Optical Spectrum Analyzer 429 About 2 Press About...

Страница 438: ...ng the unit Transportation damage can occur from improper handling The following steps are recommended to minimize the possibility of damage Pack the unit in its original packing material when shippin...

Страница 439: ...during the warranty period and found to meet all published specifications EXFO will charge standard calibration fees THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES EXPRESSED IMPLIED OR STATUTORY INC...

Страница 440: ...or 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 f...

Страница 441: ...EUI used with EXFO products are not covered by this warranty This warranty excludes failure resulting from improper use or installation normal wear and tear accident abuse neglect fire water lightnin...

Страница 442: ...the conditions under which it was observed 5 Return the equipment prepaid to the address given to you by support personnel Be sure to write the RMA number on the shipping slip EXFO will refuse and ret...

Страница 443: ...683 0155 USA and Canada Tel 1 418 683 5498 Fax 1 418 683 9224 quebec service exfo com EXFO Europe Service Center Omega Enterprise Park Electron Way Chandlers Ford Hampshire S053 4SE ENGLAND Tel 44 23...

Страница 444: ......

Страница 445: ...5 m Repeatability dB 0 2 n 0 2 n Data signals Up to 100 Gbit s o Up to 100 Gbit s o Measurement time s d j 6 eight scans with the FTB 500 platform 6 eight scans with the FTB 500 platform includes scan...

Страница 446: ......

Страница 447: ...must explicitly specify which instrument you want to remotely control You must add the following mnemonic at the beginning of any command or query that you send to an instrument LINStrument LogicalIn...

Страница 448: ...me CentralWav Freq wsp M HZ Width M HZ INTEGRATEDSIGNAL PEAKSIGNAL TOTALCHANNEL FIXEDIEC INBAND INBANDNF 448 COUNt 451 DEFault NFOSnr FIXEDIEC INBAND INBANDNF 452 NFOSnr 453 SIGPowercalc INTEGRATEDSIG...

Страница 449: ...ntState 471 INSTrument 473 WAVelength OFFSet OUTPut WavelegthOffset 474 OUTPut 475 WDM 476 CHANnel 477 CHANnel COUNt 479 OSNR AVERage 480 FLATness 481 SIGPower AVERage 482 FLATness 483 INTegrated 484...

Страница 450: ...ageCount 496 COUNt 497 INBand COUNt InbandCount 498 COUNt 499 TYPE SINGLE AVERAGING INBAND 500 TYPE 501 WAVelength RANGe STARt Start wsp NM MAXimum MI Nimum 502 STARt 504 STOP Stop wsp NM MAXimum MI N...

Страница 451: ...ion This command is used to stop running scan measurement or acquisition in progress This command is an event and has no associated RST condition or query form However the equivalent of the ABORt comm...

Страница 452: ...e with no acquisition in progress At RST value for Bandwidth at is 20 0 dB Syntax CALCulate 1 n BWAT wsp PowerLevel wsp DB Parameter s PowerLevel The program data syntax for PowerLevel is defined as a...

Страница 453: ...nal bandwidth inside a channel At RST value for Bandwidth at is 20 0 dB Syntax CALCulate 1 n BWAT Parameter s None Response Syntax PowerLevel Response s PowerLevel The response data syntax for PowerLe...

Страница 454: ...ta syntax for ChannelIndex is defined as a DECIMAL NUMERIC PROGRAM DATA element Selects the Index of channel The maximum value for the index varies with the number of channels on the list The list con...

Страница 455: ...ays in m NR3 NUMERIC RESPONSE DATA C Channel Width NR3 NUMERIC RESPONSE DATA D Channel Width unit m or Hz string E PowerType PEAKSIGNAL or INTEGRATEDSIGNAL or TOTALCHANNEL string F NoisePosition FIXED...

Страница 456: ...ry form Syntax CALCulate 1 n CHANnel ADD wsp Name CentralWav Freq wsp M HZ Width M HZ INTEGRATEDSIGNAL PEAKSIGNAL TOTALCHANNEL FIXEDIEC INBAND INBANDNF Parameter s Name The program data syntax for Nam...

Страница 457: ...ACTER PROGRAM DATA elements for this parameter are M HZ Width unit of the channel being added SignalPowerCalculation The program data syntax for the second parameter is defined as a CHARACTER PROGRAM...

Страница 458: ...cts Fixed range IEC based IEC as the OSNR calculation method INBAND selects In Band InB as OSNR calculation method INBANDNF selects In Band narrow filter InB nf as OSNR calculation method Example s CA...

Страница 459: ...ears the channel list Syntax CALCulate 1 n CHANnel COUNt Parameter s None Response Syntax ChannelCount Response s ChannelCount The response data syntax for ChannelCount is defined as a NR1 NUMERIC RES...

Страница 460: ...er s NoiseForOSNR The program data syntax for the first parameter is defined as a CHARACTER PROGRAM DATA element The allowed CHARACTER PROGRAM DATA elements for this parameter are FIXEDIEC INBAND INBA...

Страница 461: ...is value is FIXEDIEC Syntax CALCulate 1 n CHANnel DEFault NFOSnr Parameter s None Response Syntax NoiseForOsnr Response s NoiseForOsnr The response data syntax for NoiseForOsnr is defined as a CHARACT...

Страница 462: ...is INTEGRATEDSIGNAL Syntax CALCulate 1 n CHANnel DEFault SIGPowercal c wsp INTEGRATEDSIGNAL PEAKSIGNAL TO TALCHANNEL Parameter s SignalPowerCalculation The program data syntax for the first parameter...

Страница 463: ...AL selects Peak signal power method to calculate signal power value TOTALCHANNEL selectsTotal channel power method to calculate signal power value Example s CALC CHAN DEFault SIGPowercalc INTEGRATEDSI...

Страница 464: ...EGRATEDSIGNAL Syntax CALCulate 1 n CHANnel DEFault SIGPowercal c Parameter s None Response Syntax SigmalPowerCalculation Response s SigmalPowerCalculation The response data syntax for SigmalPowerCalcu...

Страница 465: ...ate Parameter s State The program data syntax for State is defined as a Boolean Program Data element The State special forms ON and OFF are accepted on input for increased readability ON corresponds t...

Страница 466: ...At RST this value is 1 activated Syntax CALCulate 1 n CHANnel DEFault STATe Parameter s None Response Syntax State Response s State The response data syntax for State is defined as a BINARY NUMERIC RE...

Страница 467: ...The program data syntax for ChannelWidth is defined as a DECIMAL NUMERIC PROGRAM DATA element Set the default channel width Range 0 008 400 000 nm or 1 0 58150 0 GHz ChannelWidthUnit The program data...

Страница 468: ...Culate 1 n CHANnel DEFault WIDTh Parameter s None Response Syntax ChannelWidth Response s ChannelWidth The response data syntax for ChannelWidth is defined as a DEFINITE LENGTH ARBITRARY BLOCK RESPONS...

Страница 469: ...is an event and has no associated RST condition or query form Syntax CALCulate 1 n CHANnel DELete wsp Cha nnelIndex Parameter s ChannelIndex The program data syntax for ChannelIndex is defined as a DE...

Страница 470: ...n This command deletes all channels from channel list The OSA module must not be in acquisition for this command to be accepted This command is an event and has no associated RST condition or query fo...

Страница 471: ...made to sub system CALC At RST this value is 0 deactivated Syntax CALCulate 1 n IMMediate AUTO wsp Sta te Parameter s State The program data syntax for State is defined as a Boolean Program Data elem...

Страница 472: ...lculation of all measurements every time a call is made to sub system CALC At RST this value is 0 deactivated Syntax CALCulate 1 n IMMediate AUTO Parameter s None Response Syntax State Response s Stat...

Страница 473: ...he OSA module must be in Ready state with no acquisition in progress At RST this value is 45 00 dBm Syntax CALCulate 1 n PEAK DETEction LEVel wsp PeakDetectionLevel Parameter s PeakDetectionLevel The...

Страница 474: ...t RST this value is 45 00 dBm Syntax CALCulate 1 n PEAK DETEction LEVel Parameter s None Response Syntax PeakDetectionLevel Response s PeakDetectionLevel The response data syntax for PeakDetectionLeve...

Страница 475: ...to be accepted the OSA module must be in Ready state with no acquisition in progress At RST this value is 0 00 dB Syntax CALCulate 1 n POWer OFFSet OUTPut wsp Offset Parameter s Offset The program dat...

Страница 476: ...alue At RST this value is 0 00 dB Syntax CALCulate 1 n POWer OFFSet OUTPut Parameter s None Response Syntax Offset Response s Offset The response data syntax for Offset is defined as a NR3 NUMERIC RES...

Страница 477: ...command to be accepted the OSA module must be in Ready state with no acquisition in progress At RST this value is 0 100 nm Syntax CALCulate 1 n RBW wsp RbwForOsnr Parameter s RbwForOsnr The program d...

Страница 478: ...value is 0 100 nm Syntax CALCulate 1 n RBW Parameter s None Response Syntax RbwForOsnr Response s RbwForOsnr The response data syntax for RbwForOsnr is defined as a NR3 NUMERIC RESPONSE DATA element...

Страница 479: ...ition in progress At RST this value is 1 or ON Syntax CALCulate 1 n RBW INSTrument wsp Rb wInstrumentState Parameter s RbwInstrumentState The program data syntax for RbwInstrumentState is defined as a...

Страница 480: ...ameter is a boolean value that determines the status of the default channel 0 deactivates Instrument RBW user defined RBW is used by application 1 activates instrument RBW Example s CALC RBW INSTrumen...

Страница 481: ...ined RBW value At RST this value is 1 or ON Syntax CALCulate 1 n RBW INSTrument Parameter s None Response Syntax RbwInstrumentState Response s RbwInstrumentState The response data syntax for RbwInstru...

Страница 482: ...e must be in Ready state with no acquisition in progress At RST this value is 0 000 nm Syntax CALCulate 1 n WAVelength OFFSet OUTPut wsp WavelegthOffset Parameter s WavelegthOffset The program data sy...

Страница 483: ...fset value At RST this value is 0 000 nm Syntax CALCulate 1 n WAVelength OFFSet OUTPut Parameter s None Response Syntax WavelengthOffset Response s WavelengthOffset The response data syntax for Wavele...

Страница 484: ...nd triggers a WDM re analysis using CALCulate current values Pre condition trace data must be present in memory either from an acquisition or from loading a file This command is an event and has no as...

Страница 485: ...nnelIndex is defined as a DECIMAL NUMERIC PROGRAM DATA element Selects the Index of channel The maximum value for the index varies with thenumber of channels on the results list Response Syntax Channe...

Страница 486: ...RIC RESPONSE DATA I Bandwidth at x dB always in m NR3 NUMERIC RESPONSE DATA J Empty channel state NR1 NUMERIC RESPONSE DATA K Power saturation state NR1 NUMERIC RESPONSE DATA L Sufficient discriminati...

Страница 487: ...channel results from the list RST has no effect on the WDM measurement Syntax CALCulate 1 n WDM CHANnel COUNt Parameter s None Response Syntax ChannelCount Response s ChannelCount The response data s...

Страница 488: ...no effect on the WDM measurement Syntax CALCulate 1 n WDM OSNR AVERage Parameter s None Response Syntax OsnrAverage Response s OsnrAverage The response data syntax for OsnrAverage is defined as a NR3...

Страница 489: ...as no effect on the WDM measurement Syntax CALCulate 1 n WDM OSNR FLATness Parameter s None Response Syntax OsnrFlatness Response s OsnrFlatness The response data syntax for OsnrFlatness is defined as...

Страница 490: ...t on the WDM measurement Syntax CALCulate 1 n WDM SIGPower AVERage Parameter s None Response Syntax PowerAverage Response s PowerAverage The response data syntax for PowerAverage is defined as a NR3 N...

Страница 491: ...ffect on the WDM measurement Syntax CALCulate 1 n WDM SIGPower FLATness Parameter s None Response Syntax PowerFlatness Response s PowerFlatness The response data syntax for PowerFlatness is defined as...

Страница 492: ...the WDM measurement Syntax CALCulate 1 n WDM SIGPower INTegrated Parameter s None Response Syntax PowerIntegrated Response s PowerIntegrated The response data syntax for PowerIntegrated is defined as...

Страница 493: ...ands Description CALibration ZERO IMMediate Description This command performs a nulling operation This command is an event and has no associated RST condition or query form Syntax CALibration ZERO IMM...

Страница 494: ...ing to IDLE on completion The operation in progress is instrument dependent This command is an event and has no associated RST condition or query form However the equivalent of the ABORt command is pe...

Страница 495: ...However most settings affected by this command are set to default values at RST Syntax MMEMory 1 n LOAD CONFiguratio wsp Fil ename Parameter s Filename The program data syntax for Filename is defined...

Страница 496: ...with no acquisition in progress for At RST this value is OFF Syntax MMEMory 1 n LOAD OVERwrite wsp Over write Parameter s Overwrite The program data syntax for Overwrite is defined as a Boolean Progra...

Страница 497: ...overwritten or not when loading a trace file At RST this value is OFF Syntax MMEMory 1 n LOAD OVERwrite Parameter s None Response Syntax OverwriteState Response s OverwriteState The response data syn...

Страница 498: ...be accepted the OSA module must be in Ready state with no acquisition in progress RST has no effect on traces in memory Syntax MMEMory 1 n LOAD TRACe wsp TRCMAIN FileName Parameter s TracePosition The...

Страница 499: ...ogram data syntax for FileName is defined as a STRING PROGRAM DATA element The Filename parameter can either be only the filename or the name and its path If no path is specified the default path is u...

Страница 500: ...no associated RST condition or query form Syntax MMEMory 1 n STORe CONFiguratio wsp F ilename Parameter s Filename The program data syntax for Filename is defined as a STRING PROGRAM DATA element Sav...

Страница 501: ...le is already present For this command to be accepted the OSA module must be in Ready state with no acquisition in progress At RST this value is OFF Syntax MMEMory 1 n STORe OVERwrite wsp Ove rwrite P...

Страница 502: ...n when the MMEMory STORe OVERwrite command is used At RST this value is OFF Syntax MMEMory 1 n STORe OVERwrite Parameter s None Response Syntax OverwriteState Response s OverwriteState The response da...

Страница 503: ...meter s TracePosition The program data syntax for the first parameter is defined as a CHARACTER PROGRAM DATA element The allowed CHARACTER PROGRAM DATA element for this parameter is TRCMAIN Selects th...

Страница 504: ...be in Ready state with no acquisition in progress At RST this value is 8 Syntax SENSe 1 n AVERage COUNt wsp AverageC ount Parameter s AverageCount The program data syntax for AverageCount is defined a...

Страница 505: ...trace Returns 1 when average type is SINGLE At RST this value is 8 Syntax SENSe 1 n AVERage COUNt Parameter s None Response Syntax AverageCount Response s AverageCount The response data syntax for Ave...

Страница 506: ...t be in Ready state with no acquisition in progress At RST this value is 64 Syntax SENSe 1 n AVERage INBand COUNt wsp InbandCount Parameter s InbandCount The program data syntax for InbandCount is def...

Страница 507: ...ce final trace At RST this value is 64 Syntax SENSe 1 n AVERage INBand COUNt Parameter s None Response Syntax InbandCount Response s InbandCount The response data syntax for InbandCount is defined as...

Страница 508: ...SENSe 1 n AVERage TYPE wsp SINGLE AVE RAGING INBAND Parameter s Type The program data syntax for the first parameter is defined as a CHARACTER PROGRAM DATA element The allowed CHARACTER PROGRAM DATA...

Страница 509: ...VERAGING or INBAND At RST this value is SINGLE Syntax SENSe 1 n AVERage TYPE Parameter s None Response Syntax Type Response s Type The response data syntax for Type is defined as a CHARACTER RESPONSE...

Страница 510: ...r limit Syntax SENSe 1 n WAVelength RANGe STARt wsp Start wsp NM MAXimum MINimum Parameter s Start The program data syntax for Start is defined as a numeric_value element followed by an optional SUFFI...

Страница 511: ...Specific Commands Description Example s SENS WAV RANG STAR 1520 NM Notes SENS WAV RANG STOP value will be forced to 5 0 nm larger than SENS WAV RANG STARt See Also SENSe 1 n WAVelength RANGe STARt SEN...

Страница 512: ...t RST this value is set to 1530 0 nm C band lower limit Syntax SENSe 1 n WAVelength RANGe STARt Parameter s None Response Syntax Start Response s Start The response data syntax for Start is defined as...

Страница 513: ...d upper limit Syntax SENSe 1 n WAVelength RANGe STOP wsp Stop wsp NM MAXimum MINimum Parameter s Stop The program data syntax for Stop is defined as a numeric_value element followed by an optional SUF...

Страница 514: ...fic Commands Description Example s SENS WAV RANG STOP 1570 NM Notes SENS WAV RANG STARt value will be forced to 5 0 nm smaller than SENS WAV RANG STOP See Also SENSe 1 n WAVelength RANGe STOP SENSe 1...

Страница 515: ...nge At RST this value is set to 1565 0 nm C band upper limit Syntax SENSe 1 n WAVelength RANGe STOP Parameter s None Response Syntax Stop Response s Stop The response data syntax for Stop is defined a...

Страница 516: ...l number of the module RST has no effect on Serial number Syntax SNUMber Parameter s None Response Syntax SerialNumber Response s SerialNumber The response data syntax for SerialNumber is defined as a...

Страница 517: ...condition Syntax STATus Parameter s None Response Syntax Status Response s Status The response data syntax for Status is defined as a CHARACTER RESPONSE DATA element The Status response represents the...

Страница 518: ...rence 510 FTB 5240S 5240BP Product Specific Commands Description DEFECTIVE means the module is defective and UNCONFIGURED means the module is not configured Example s STATus See Also INITiate IMMediat...

Страница 519: ...GRAM DATA element The allowed CHARACTER PROGRAM DATA element for this parameter is TRCMAIN Selects the Trace Index Response Syntax TraceData Response s TraceData The response data syntax for TraceData...

Страница 520: ...arameter s TracePosition The program data syntax for the first parameter is defined as a CHARACTER PROGRAM DATA element The allowed CHARACTER PROGRAM DATA element for this parameter is TRCMAIN Selects...

Страница 521: ...ectral range start always in m NR3 NUMERIC RESPONSE DATA C Spectral range stop always in m NR3 NUMERIC RESPONSE DATA D Number of scans NR1 NUMERIC RESPONSE DATA E Bandwidth Resolution always in m NR3...

Страница 522: ...wsp TRCMAIN Parameter s TracePosition The program data syntax for the first parameter is defined as a CHARACTER PROGRAM DATA element The allowed CHARACTER PROGRAM DATA element for this parameter is TR...

Страница 523: ...ion end date and time STRING RESPONSE DATA C Calibration date STRING RESPONSE DATA D User or factory calibration STRING RESPONSE DATA E Model name STRING RESPONSE DATA F Serial number STRING RESPONSE...

Страница 524: ...he program data syntax for the first parameter is defined as a CHARACTER PROGRAM DATA element The allowed CHARACTER PROGRAM DATA element for this parameter is TRCMAIN Selects the Trace Index Response...

Страница 525: ...s command sets the spectrum units At RST this value is m Syntax UNIT 1 n SPECtrum wsp M HZ Parameter s Unit The program data syntax for the first parameter is defined as a SUFFIX PROGRAM DATA element...

Страница 526: ...ery returns the current spectrum unit At RST this value is m Syntax UNIT 1 n SPECtrum Parameter s None Response Syntax SpectralUnit Response s SpectralUnit The response data syntax for SpectralUnit is...

Страница 527: ...measurement is obtained using the following equation Where PASE is the power of the spontaneous emission amplified by the EDFA PSSE is the power of the spontaneous emission of the source G is the gai...

Страница 528: ...culation Spectral Transmittance The central wavelength is calculated using the following equation Where a is the central wavelength R is the wavelength on the right at which the power is 3 dB below th...

Страница 529: ...tance Bandwidth is calculated using the following equation Where b is the bandwidth at X dB N is the nominal wavelength XdBLeft is the wavelength on the left at which the power is X dB below the power...

Страница 530: ......

Страница 531: ...personal hazard 4 of product hazard 4 central offset 343 certification information vi channel center 294 338 381 count 305 index 381 name53 225 283 293 300 337 370 380 387 number 283 294 300 342 370 r...

Страница 532: ...Band method 99 295 338 narrow filter 295 339 increment value 76 139 241 input signal power average 388 flatness 388 inserting a module 7 L label identification 427 left SMSR 342 stopband 342 link ID 1...

Страница 533: ...preferences comments 43 109 170 188 214 DFB 166 Drift 105 EDFA 210 ST 184 WDM 39 prefix 76 139 240 product identification label 427 specifications 437 providing comments 44 110 171 189 215 PSSE 225 3...

Страница 534: ...9 transportation requirements 421 430 two sided stopband 343 typical application 3 U unit recalibration 424 user guide see online user guide W warm up period 13 warranty certification 433 exclusions 4...

Страница 535: ...363 2006 X Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requirement in SJ T11363 2006 SJ T11363 2006 Pa...

Страница 536: ...MARKING REQUIREMENTS Product Environmental protection use period years Logo This Exfo product EXFO 10 Batterya a a If applicable 5...

Страница 537: ...1 Chin Swee Road 03 29 Manhattan House SINGAPORE 169876 Tel 65 6333 8241 Fax 65 6333 8242 EXFO CHINA Room 2711 Trade Center No 4028 Jintian Road Futian District Beijing Global Trade Center Tower C Roo...

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