User GuideOptical Modulation AnalyzerPSO-200
Introducing the PSO-200 Optical Modulation Analyzer2 PSO-200Main FeaturesThe PSO-200 Optical Modulation Analyzer has the following features: Fully cu
Bit Pattern Analysis and the Gearbox92 PSO-200Performing Detailed Bit Pattern Analysis with the GearboxGearbox Configuration File LayoutA Gearbox conf
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 93Performing Detailed Bit Pattern Analysis with the GearboxDefinition SectionThis sect
Bit Pattern Analysis and the Gearbox94 PSO-200Performing Detailed Bit Pattern Analysis with the GearboxBit Symbol Mapping SectionDepending on the modu
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 95Performing Detailed Bit Pattern Analysis with the GearboxFrom the previous example,
Bit Pattern Analysis and the Gearbox96 PSO-200Performing Detailed Bit Pattern Analysis with the GearboxThe second column represents the bit delay. In
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 97Performing Detailed Bit Pattern Analysis with the GearboxTo set or import the Gearbo
Bit Pattern Analysis and the Gearbox98 PSO-200Performing Detailed Bit Pattern Analysis with the GearboxSymbol Coordinates SectionThe third section of
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 99Performing Detailed Bit Pattern Analysis with the GearboxThe PSO-200 default impleme
Bit Pattern Analysis and the Gearbox100 PSO-200Using PRBS or User-Defined Bit Patterns with the GearboxUsing PRBS or User-Defined Bit Patterns with th
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 101Using PRBS or User-Defined Bit Patterns with the Gearbox6. Select the Length of the
Introducing the PSO-200 Optical Modulation AnalyzerOptical Modulation Analyzer 3ConventionsConventionsBefore using the product described in this guide
Bit Pattern Analysis and the Gearbox102 PSO-200Using PRBS or User-Defined Bit Patterns with the GearboxTo import, edit and apply a custom bit pattern:
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 103Using PRBS or User-Defined Bit Patterns with the Gearbox7. For each stream listed,
Bit Pattern Analysis and the Gearbox104 PSO-200Exporting Gearbox SetupsExporting Gearbox SetupsAfter you have defined a full Gearbox setup in the Opti
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 105Obtaining and Using Bit/Symbol Error RatesObtaining and Using Bit/Symbol Error Rate
Bit Pattern Analysis and the Gearbox106 PSO-200Obtaining and Using Bit/Symbol Error RatesThe application displays a BER for each polarization of the s
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 107Obtaining and Using Bit/Symbol Error RatesThe expected pattern graph always overlay
Optical Modulation Analyzer 1099 Post-Processing and Reanalyzing DataInstalling and Using the Application on a ComputerYou can install the application
Post-Processing and Reanalyzing Data110 PSO-200Installing and Using the Application on a Computer4. Read and accept the licence agreement, then click
Post-Processing and Reanalyzing DataOptical Modulation Analyzer 111Installing and Activating Software OptionsInstalling and Activating Software Option
Post-Processing and Reanalyzing Data112 PSO-200Installing and Activating Software OptionsTo generate the Identification file for your unit or computer
Post-Processing and Reanalyzing DataOptical Modulation Analyzer 113Exporting DataExporting DataYou can export PSO-200 data and results to comma-separa
Post-Processing and Reanalyzing Data114 PSO-200Copying Graph and Measurements to ClipboardTo export the data:1. From the File menu, select Export, the
Post-Processing and Reanalyzing DataOptical Modulation Analyzer 115Reanalyzing Acquisitions with New SettingsReanalyzing Acquisitions with New Setting
Post-Processing and Reanalyzing Data116 PSO-200Reverting to Original FileReverting to Original FileWhen working on a file, you might want to discard y
Optical Modulation Analyzer 11710 MaintenanceTo help ensure long, trouble-free operation: Always inspect fiber-optic connectors before using them and
Maintenance118 PSO-200Cleaning EUI ConnectorsTo clean EUI connectors:1. Remove the EUI from the instrument to expose the connector baseplate and ferru
MaintenanceOptical Modulation Analyzer 119Recycling and Disposal (Applies to European Union Only)6. Clean the ferrule in the connector port as follows
Optical Modulation Analyzer 12111 TroubleshootingSolving Common ProblemsHere are a few common situations you might have to deal with: The burst numbe
Optical Modulation Analyzer 52 Safety InformationLaser Safety InformationYour instrument is a Class 1 laser product in compliance with standards IEC 6
Troubleshooting122 PSO-200Solving Phase Tracking IssuesSolving Phase Tracking IssuesPhase tracking issues (cycle slips) typically occur for the follow
TroubleshootingOptical Modulation Analyzer 123Contacting the Technical Support GroupContacting the Technical Support GroupTo obtain after-sales servic
Troubleshooting124 PSO-200Viewing System InformationViewing System InformationWhen contacting EXFO’s technical support, you might be asked to provide
TroubleshootingOptical Modulation Analyzer 125TransportationTransportationMaintain a temperature range within specifications when transporting the uni
Optical Modulation Analyzer 12712 WarrantyGeneral InformationEXFO Inc. (EXFO) warrants this equipment against defects in material and workmanship for
Warranty128 PSO-200ExclusionsExclusionsEXFO reserves the right to make changes in the design or construction of any of its products at any time withou
WarrantyOptical Modulation Analyzer 129Service and RepairsService and RepairsEXFO commits to providing product service and repair for five years follo
Warranty130 PSO-200EXFO Service Centers WorldwideEXFO Service Centers WorldwideIf your product requires servicing, contact your nearest authorized ser
Optical Modulation Analyzer 131A Technical SpecificationsIMPORTANTThe following technical specifications can change without notice. The information pr
Safety Information6 PSO-200Electrical Safety InformationElectrical Safety InformationThis unit uses an international safety standard three-wire power
Optical Modulation Analyzer 133B SCPI Commands ReferenceThis appendix presents detailed information on the commands and queries supplied with your PSO
SCPI Commands Reference134 PSO-200Quick Reference Command TreeSRATe? 155BDURation <Integer>,POI 156VALue? 157UNIT? 158RECording LENGth <Lengt
SCPI Commands ReferenceOptical Modulation Analyzer 135Quick Reference Command TreeSENSe ROSCillator SOURce TYPe INTernal|EXTernal 184TYPe? 185DDEMod M
SCPI Commands Reference136 PSO-200Quick Reference Command TreeLOAD GEARbox STReam 16QAM|APSK|BPSK|DP-16QAM|DP-APSK|DP-BPSK|DP-OOK|DP-QPSK|OOK|QPSK,One
SCPI Commands ReferenceOptical Modulation Analyzer 137Quick Reference Command TreeRES? 228CDIS ENABle 229ENABle? 230VAL 231VAL? 232SIGNal ENCoding 233
SCPI Commands Reference138 PSO-200Product-Specific Commands—DescriptionProduct-Specific Commands—Description:MMEMory:LOAD:TRACeDescription This comman
SCPI Commands ReferenceOptical Modulation Analyzer 139Product-Specific Commands—Description:MMEMory:STORe:TRACeDescription This command saves a measur
SCPI Commands Reference140 PSO-200Product-Specific Commands—Description:MMEMory:STORe:TRACe:DATADescription This command exports a measurement in the
SCPI Commands ReferenceOptical Modulation Analyzer 141Product-Specific Commands—Description:SENSe:DDEMod:AVERage:STATeDescription This command sets th
Safety InformationOptical Modulation Analyzer 7Electrical Safety InformationThe color coding used in the electric cable depends on the cable. New plug
SCPI Commands Reference142 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:AVERage:STATe?Description This query returns the average mode sta
SCPI Commands ReferenceOptical Modulation Analyzer 143Product-Specific Commands—Description:SENSe:DDEMod:AVERage:COUNtDescription This command sets th
SCPI Commands Reference144 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:AVERage:COUNt?Description This query returns the number of bursts
SCPI Commands ReferenceOptical Modulation Analyzer 145Product-Specific Commands—Description:SENSe:DDEMod:AVERage:TCONtrolDescription This command sets
SCPI Commands Reference146 PSO-200Product-Specific Commands—DescriptionNotes When averaging is on and the number of scans is less than or equal to the
SCPI Commands ReferenceOptical Modulation Analyzer 147Product-Specific Commands—Description:SENSe:DDEMod:AVERage:TCONtrol?Description This query retur
SCPI Commands Reference148 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:MODulationDescription This command sets the digital communication
SCPI Commands ReferenceOptical Modulation Analyzer 149Product-Specific Commands—DescriptionBPSK, selects Binary phase-shift keying (BPSK) as the modul
SCPI Commands Reference150 PSO-200Product-Specific Commands—DescriptionDP-QPSK, selects Differential Quadrature phase-shift keying (QPSK) as the modul
SCPI Commands ReferenceOptical Modulation Analyzer 151Product-Specific Commands—Description:SENSe:DDEMod:MODulation?Description This query returns the
Safety Information8 PSO-200Electrical Safety InformationThe following label is located on the back panel of the unit:Equipment RatingsTemperature Ope
SCPI Commands Reference152 PSO-200Product-Specific Commands—DescriptionDP-BPSK, Differential Quadrature Binary phase-shift keying (BPSK) as the modula
SCPI Commands ReferenceOptical Modulation Analyzer 153Product-Specific Commands—Description16QAM, Quadrature Amplitude Modulation (QAM16) as the modul
SCPI Commands Reference154 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SRATeDescription This command sets the symbol rate (symbols per s
SCPI Commands ReferenceOptical Modulation Analyzer 155Product-Specific Commands—Description:SENSe:DDEMod:SRATe?Description This query returns the symb
SCPI Commands Reference156 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:BDURationDescription This command sets the burst duration in term
SCPI Commands ReferenceOptical Modulation Analyzer 157Product-Specific Commands—Description:SENSe:DDEMod:BDURation:VALue?Description This query return
SCPI Commands Reference158 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:BDURation:UNIT?Description This query returns the unit of the bur
SCPI Commands ReferenceOptical Modulation Analyzer 159Product-Specific Commands—Description:SENSe:RECording:LENGthDescription This command sets the am
SCPI Commands Reference160 PSO-200Product-Specific Commands—Description:SENSe:RECording:LENGth:VALue?Description This query returns the integer value
SCPI Commands ReferenceOptical Modulation Analyzer 161Product-Specific Commands—Description:SENSe:RECording:LENGth:UNIT?Description This query returns
Optical Modulation Analyzer 93 Getting Started with Your Optical Modulation AnalyzerInstalling the EXFO Universal Interface (EUI)The EUI fixed basepla
SCPI Commands Reference162 PSO-200Product-Specific Commands—Description:INITiateDescription This command starts recording the bursts.This command is n
SCPI Commands ReferenceOptical Modulation Analyzer 163Product-Specific Commands—Description:ABORtDescription This command stops recording the bursts.T
SCPI Commands Reference164 PSO-200Product-Specific Commands—Description:READ:DDEMod?Description This query reads the entire (current) measurement and
SCPI Commands ReferenceOptical Modulation Analyzer 165Product-Specific Commands—Description:READ:DDEMod:DATA[n]?Description This query reads a burst (
SCPI Commands Reference166 PSO-200Product-Specific Commands—Description:READ:DDEMod:AVERage?Description This query reads the average results and retur
SCPI Commands ReferenceOptical Modulation Analyzer 167Product-Specific Commands—Description:CALCulate:DDEMod:DATA[n]:TABLe:NAMes?Description This quer
SCPI Commands Reference168 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:DATA[n]:TABLe?Description This query reads the entire table o
SCPI Commands ReferenceOptical Modulation Analyzer 169Product-Specific Commands—DescriptionResponse(s) List: The response data syntax for <List>
SCPI Commands Reference170 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:AVERage:TABLe?Description This query reads the average entrie
SCPI Commands ReferenceOptical Modulation Analyzer 171Product-Specific Commands—DescriptionResponse(s) List: The response data syntax for <List>
Getting Started with Your Optical Modulation Analyzer10 PSO-200Cleaning and Connecting Optical FibersCleaning and Connecting Optical FibersTo connect
SCPI Commands Reference172 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:MINimum:TABLe?Description This query reads the minimum entrie
SCPI Commands ReferenceOptical Modulation Analyzer 173Product-Specific Commands—DescriptionResponse(s) List: The response data syntax for <List>
SCPI Commands Reference174 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:MAXimum:TABLe?Description This query reads the maximum entri
SCPI Commands ReferenceOptical Modulation Analyzer 175Product-Specific Commands—DescriptionResponse(s) List: The response data syntax for <List>
SCPI Commands Reference176 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:DATA[n]:VECTor?Description This query returns the output buff
SCPI Commands ReferenceOptical Modulation Analyzer 177Product-Specific Commands—DescriptionResponse(s) List: The response data syntax for <List>
SCPI Commands Reference178 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:DATA[n]:VECTor:POINts?Description This query returns the numb
SCPI Commands ReferenceOptical Modulation Analyzer 179Product-Specific Commands—DescriptionResponse(s) List: The response data syntax for <List>
SCPI Commands Reference180 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:DATA[n]:RAW[c]?Description Return in the output buffer the Ra
SCPI Commands ReferenceOptical Modulation Analyzer 181Product-Specific Commands—Description:CALCulate:DDEMod:ERRor:VECTor?Description This query retur
Getting Started with Your Optical Modulation AnalyzerOptical Modulation Analyzer 11Cleaning and Connecting Optical Fibers3. Carefully align the connec
SCPI Commands Reference182 PSO-200Product-Specific Commands—Description:CALCulate:DDEMod:ERRor:VECTor:INDex?Description This query returns the Error l
SCPI Commands ReferenceOptical Modulation Analyzer 183Product-Specific Commands—DescriptionResponse(s) Error List: The response data syntax for <Er
SCPI Commands Reference184 PSO-200Product-Specific Commands—Description:SENSe:ROSCillator:SOURce:TYPeDescription This command sets the frequency refer
SCPI Commands ReferenceOptical Modulation Analyzer 185Product-Specific Commands—Description:SENSe:ROSCillator:SOURce:TYPe?Description This query retur
SCPI Commands Reference186 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:MASK:NAMeDescription This command sets the Mask Name of the digit
SCPI Commands ReferenceOptical Modulation Analyzer 187Product-Specific Commands—Description:SENSe:DDEMod:MASK:NAMe?Description This query returns the
SCPI Commands Reference188 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:MASK:STATeDescription This command enables and disables the Mask
SCPI Commands ReferenceOptical Modulation Analyzer 189Product-Specific Commands—Description:SENSe:DDEMod:MASK:STATe?Description This query returns the
SCPI Commands Reference190 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:FILTer:TYPeDescription This command sets the filter Type of the o
SCPI Commands ReferenceOptical Modulation Analyzer 191Product-Specific Commands—Description:SENSe:DDEMod:FILTer:TYPe?Description This query returns th
ii PSO-200Copyright © 2010–2013 EXFO Inc. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmit
Getting Started with Your Optical Modulation Analyzer12 PSO-200Starting and Exiting the Optical Modulation Analyzer ApplicationStarting and Exiting th
SCPI Commands Reference192 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:FILTer:CUTFrequencyDescription This command sets the FilterCutFre
SCPI Commands ReferenceOptical Modulation Analyzer 193Product-Specific Commands—Description:SENSe:DDEMod:FILTer:CUTFrequency?Description This query re
SCPI Commands Reference194 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:FILTer:ORDerDescription This command sets the Filter order of the
SCPI Commands ReferenceOptical Modulation Analyzer 195Product-Specific Commands—Description:SENSe:DDEMod:FILTer:ORDer?Description This query returns t
SCPI Commands Reference196 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:WINDow:UPPerboundDescription This command sets the measurement fo
SCPI Commands ReferenceOptical Modulation Analyzer 197Product-Specific Commands—Description:SENSe:DDEMod:WINDow:UPPerbound?Description This query retu
SCPI Commands Reference198 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:WINDow:LOWerboundDescription This command sets the measurement fo
SCPI Commands ReferenceOptical Modulation Analyzer 199Product-Specific Commands—Description:SENSe:DDEMod:WINDow:LOWerbound?Description This query retu
SCPI Commands Reference200 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:WINDow:AMPLitudeDescription This command sets the measurement val
SCPI Commands ReferenceOptical Modulation Analyzer 201Product-Specific Commands—Description:SENSe:DDEMod:WINDow:AMPLitude?Description This query retur
Optical Modulation Analyzer 134 Setting Up the Optical Modulation AnalyzerYou should start by setting parameters on the PSO-200 so that acquisitions a
SCPI Commands Reference202 PSO-200Product-Specific Commands—Description:MMEMory:LOAD:GEARbox:SETupDescription This command sets the file for the GearB
SCPI Commands ReferenceOptical Modulation Analyzer 203Product-Specific Commands—Description:MMEMory:STORe:GEARbox:SETupDescription This command sets t
SCPI Commands Reference204 PSO-200Product-Specific Commands—Description:MMEMory:LOAD:GEARbox:STReamDescription This command sets the GearBox Stream Al
SCPI Commands ReferenceOptical Modulation Analyzer 205Product-Specific Commands—DescriptionDP-APSK, selects DP-APSK as the string modulation format fo
SCPI Commands Reference206 PSO-200Product-Specific Commands—DescriptionDualXYStreams, selects DualXYStreams as the Gear box layout for the GearBox Str
SCPI Commands ReferenceOptical Modulation Analyzer 207Product-Specific Commands—Description:MMEMory:STORe:GEARbox:STReamDescription This command sets
SCPI Commands Reference208 PSO-200Product-Specific Commands—DescriptionDP-APSK, selects DP-APSK as the string modulation format for the GearBox Stream
SCPI Commands ReferenceOptical Modulation Analyzer 209Product-Specific Commands—DescriptionDualXYStreams, selects DualXYStreams as the Gear box layout
SCPI Commands Reference210 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SYNC:SWORd:PTYPeDescription This command sets the BitPatternType.
SCPI Commands ReferenceOptical Modulation Analyzer 211Product-Specific Commands—DescriptionUserDefinedBitPattern, selects UserDefinedBitPattern as Bit
Setting Up the Optical Modulation Analyzer14 PSO-200Configuring the Input Signal Bit format (RZ or NRZ): this should be used according to the pulse c
SCPI Commands Reference212 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SYNC:SWORd:PTYPe?Description This query returns the BitPatternTyp
SCPI Commands ReferenceOptical Modulation Analyzer 213Product-Specific Commands—Description:SENSe:DDEMod:SYNC:SWORd:PLENgthDescription This command se
SCPI Commands Reference214 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SYNC:SWORd:PLENgth?Description This query returns the BitPattern
SCPI Commands ReferenceOptical Modulation Analyzer 215Product-Specific Commands—Description:MMEMory:LOAD:PATTernDescription This command sets the Bit
SCPI Commands Reference216 PSO-200Product-Specific Commands—Description:MMEMory:STORe:PATTernDescription This command sets the Bit Pattern.This comman
SCPI Commands ReferenceOptical Modulation Analyzer 217Product-Specific Commands—Description:SENSe:DDEMod:LEARnpatternDescription This command enables
SCPI Commands Reference218 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:LEARnpattern?Description This query enables the “Waveform estima
SCPI Commands ReferenceOptical Modulation Analyzer 219Product-Specific Commands—Description:SENSe:ROSCillator:SOURce:PHASecalibrationDescription This
SCPI Commands Reference220 PSO-200Product-Specific Commands—Description:SENSe:ROSCillator:SOURce:PHASecalibration?Description This query returns the v
SCPI Commands ReferenceOptical Modulation Analyzer 221Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:FREQuencyDescription .This command set
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 15Configuring the Input SignalTo configure the input signal type and properties:
SCPI Commands Reference222 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:FREQuency?Description This query returns the signal freque
SCPI Commands ReferenceOptical Modulation Analyzer 223Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:OFFSetDescription This command sets an
SCPI Commands Reference224 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:OFFSet?Description This query returns an offset value of u
SCPI Commands ReferenceOptical Modulation Analyzer 225Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:WIDThDescription This command controls
SCPI Commands Reference226 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:WIDTh?Description This query returns the speed of the IF t
SCPI Commands ReferenceOptical Modulation Analyzer 227Product-Specific Commands—Description:SENSe:DDEMod:AVERage:RESDescription This command sets time
SCPI Commands Reference228 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:AVERage:RES?Description This query returns the time resolution. T
SCPI Commands ReferenceOptical Modulation Analyzer 229Product-Specific Commands—Description:SENSe:DDEMod:CDIS:ENABleDescription This command sets the
SCPI Commands Reference230 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:CDIS:ENABle?Description This query returns the chromatic dispersi
SCPI Commands ReferenceOptical Modulation Analyzer 231Product-Specific Commands—Description:SENSe:DDEMod:CDIS:VALDescription This command sets the chr
Setting Up the Optical Modulation Analyzer16 PSO-200Setting Other Acquisition ParametersSetting Other Acquisition ParametersUse the following paramete
SCPI Commands Reference232 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:CDIS:VAL?Description This query returns the chromatic dispersion
SCPI Commands ReferenceOptical Modulation Analyzer 233Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:ENCodingDescription This command sets
SCPI Commands Reference234 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:SIGNal:ENCoding?Description This query returns the format of the
SCPI Commands ReferenceOptical Modulation Analyzer 235Product-Specific Commands—Description:SENSe:DDEMod:DEMXDescription This command sets the status
SCPI Commands Reference236 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:DEMX?Description This query returns the status of Polarization de
SCPI Commands ReferenceOptical Modulation Analyzer 237Product-Specific Commands—Description:SENSe:DDEMod:IFALDescription This command sets the Interme
SCPI Commands Reference238 PSO-200Product-Specific Commands—Description:SENSe:DDEMod:IFAL?Description This query returns the Intermediate Frequency R
Optical Modulation Analyzer 239C Coherent Detection and Sampling MethodsCoherent DetectionCoherent receivers are sensitive to the optical field of the
Coherent Detection and Sampling Methods240 PSO-200Sampling MethodsThus, the detected signals correspond to the I and Q axes in the signal space. The e
Coherent Detection and Sampling MethodsOptical Modulation Analyzer 241Sampling MethodsReal-Time SamplingReal-time sampling means that a signal is acqu
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 17Setting Other Acquisition ParametersTo set the acquisition parameters:1. From
Coherent Detection and Sampling Methods242 PSO-200PSO-200 Principles of OperationThe sampling is usually conducted by sequential sampling with precise
Coherent Detection and Sampling MethodsOptical Modulation Analyzer 243PSO-200 Principles of OperationWhen the LO pulses overlap the input signal, mixi
Coherent Detection and Sampling Methods244 PSO-200Signal Processing AlgorithmsSignal Processing AlgorithmsThe signal processing algorithms of the PSO-
Coherent Detection and Sampling MethodsOptical Modulation Analyzer 245Signal Processing AlgorithmsPolarization DemultiplexingThe polarization-diversit
Coherent Detection and Sampling Methods246 PSO-200Signal Processing AlgorithmsTo reconstruct the correct time base, you must input the symbol rate to
Optical Modulation Analyzer 247D Modulation SchemesThis appendix describes modulation schemes supported by the PSO-200. All formats can be RZ (pulse c
Modulation Schemes248 PSO-200For simplicity purposes, transitions corresponding to higher-order formats are not illustrated here. The symbol mapping,
Modulation SchemesOptical Modulation Analyzer 249QPSK 2 NRZ: NRZ:RZ: RZ:APSK 3ModulationFormatBits/SymbolConstellationChartDefaultImplementationMappin
Modulation Schemes250 PSO-20016-QAM 4ModulationFormatBits/SymbolConstellationChartDefaultImplementationMappingMZM π/2MZMMZM π/2MZMIQIQX0X1X2X3AttnB3B2
Optical Modulation Analyzer 251E Measurement DefinitionsMeasurements follow the conventional measurement definitions from the telecommunications indus
Setting Up the Optical Modulation Analyzer18 PSO-200Setting File AutonamingSetting File AutonamingAutonaming helps you create a predefined file naming
Measurement Definitions252 PSO-200Measurements for Constellation ChartsMeasurements for Constellation ChartsConstellation chart measurements refer to
Measurement DefinitionsOptical Modulation Analyzer 253Measurements for Constellation ChartsError Vector MagnitudeThe deviation of an acquired signal s
Measurement Definitions254 PSO-200Measurements for Constellation ChartsPhase ErrorThe phase error (EP) describes the deviation of phase from the ideal
Measurement DefinitionsOptical Modulation Analyzer 255Measurements for Constellation ChartsQuadrature-Phase ErrorThe quadrature-phase error (EQ) is th
Measurement Definitions256 PSO-200Measurements for Constellation ChartsQuadrature ErrorQuadrature error appears when the I and Q channels are not oper
Measurement DefinitionsOptical Modulation Analyzer 257Measurements for Constellation ChartsSignal-To-Noise RatioThe signal-to-noise ratio (SNR) comput
Measurement Definitions258 PSO-200Measurements for Eye DiagramsMeasurements for Eye DiagramsEye diagram measurements refer to measurements conducted i
Measurement DefinitionsOptical Modulation Analyzer 259Measurements for Eye DiagramsContrast RatioThe contrast ratio (CR) is only defined for RZ format
Measurement Definitions260 PSO-200Measurements for Eye DiagramsDuty CycleThe duty cycle is defined only for RZ formats as the ratio between the pulse
Measurement DefinitionsOptical Modulation Analyzer 261Measurements for Eye DiagramsExtinction RatioThe extinction ratio (ER) of an eye diagram is only
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 19Setting File Autonaming4. Define the autonaming scheme. A sample file name sho
Measurement Definitions262 PSO-200Measurements for Eye DiagramsPulse WidthThe pulse width measurement only applies to RZ formats. From a thin horizont
Measurement DefinitionsOptical Modulation Analyzer 263Measurements for Eye DiagramsRise Time and Fall Time Rise time: delay between the times where t
Measurement Definitions264 PSO-200Measurements for Eye DiagramsTiming JitterThe timing jitter of an eye diagram is a measurement of the variance in ti
Measurement DefinitionsOptical Modulation Analyzer 265Measurements for Eye DiagramsIQ SkewThe IQ skew is the time difference between I and Q tributari
IndexOptical Modulation Analyzer 267Index16-QAM ... 25020%-80% thresholds ...
Index268 PSO-200chart, constellation ... 41chebyshev filter ... 76chromatic
IndexOptical Modulation Analyzer 269EVMcalculation ... 253diagram of...
Index270 PSO-200II/Q eye diagram... 44icon, application... 12identifica
IndexOptical Modulation Analyzer 271Mmagnitudeerror ... 253error vector. see EVMeye diagram...
Setting Up the Optical Modulation Analyzer20 PSO-200Identifying AcquisitionsIdentifying AcquisitionsSetting up acquisition information can save you ti
Index272 PSO-200patternbit... 16diagram ... 47len
IndexOptical Modulation Analyzer 273remote controlcommands... 133indicator ...
Index274 PSO-200Ttablescopy to clipboard... 114measurement... 56tabs...
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Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 21Identifying Acquisitions3. Select the Equipment Under Test and Location Inform
ContentsOptical Modulation Analyzer iiiContentsCertification Information ...
Setting Up the Optical Modulation Analyzer22 PSO-200Setting Analysis ParametersSetting Analysis ParametersThe signal can be analyzed while being acqui
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 23Setting Analysis ParametersTo set the analysis parameters:1. From the Settings
Setting Up the Optical Modulation Analyzer24 PSO-200Using Special Modulation ModesUsing Special Modulation ModesIn some situations, when the input sig
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 25Using Special Modulation ModesThe figure below shows an example of intensity s
Setting Up the Optical Modulation Analyzer26 PSO-200Using Special Modulation ModesTo select a special modulation mode and activate optional algorithms
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 27Using an External Local OscillatorUsing an External Local OscillatorThe Extern
Setting Up the Optical Modulation Analyzer28 PSO-200Using an External Local OscillatorBy default, the application automatically calibrates the externa
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 29Using an External Local OscillatorTo enable the external local oscillator:1. F
Setting Up the Optical Modulation Analyzer30 PSO-200Using an External Local Oscillator3. If necessary only, disable the automatic calibration by clear
Setting Up the Optical Modulation AnalyzerOptical Modulation Analyzer 31Locking the Remote UnitLocking the Remote UnitIf you control the unit remotely
Contentsiv PSO-2007 Viewing and Analyzing Results ...49Opening an Existing Acquisition
Optical Modulation Analyzer 335 Performing AcquisitionsStarting and Stopping an AcquisitionOnce you start an acquisition, it will continue until you s
Performing Acquisitions34 PSO-200Clearing Data During an AcquisitionClearing Data During an AcquisitionWhile an acquisition is in progress, you can cl
Performing AcquisitionsOptical Modulation Analyzer 35Saving Acquisitions to a FileSaving Acquisitions to a FileOnce an acquisition is completed, you c
Performing Acquisitions36 PSO-200Activating Trigger-Based AcquisitionsActivating Trigger-Based AcquisitionsYou could use an external equipment, such a
Performing AcquisitionsOptical Modulation Analyzer 37Activating Trigger-Based AcquisitionsTo activate triggered acquisitions:1. From the Settings menu
Optical Modulation Analyzer 396 Customizing the Graph and Data LayoutSelecting and Customizing the LayoutThe application’s main window is fully custom
Customizing the Graph and Data Layout40 PSO-200Selecting and Customizing the LayoutAt any time during of after acquisitions, you can change the displa
Customizing the Graph and Data LayoutOptical Modulation Analyzer 41Constellation ChartConstellation ChartUseful when characterizing advanced modulatio
ContentsOptical Modulation Analyzer v11 Troubleshooting ... 121Sol
Customizing the Graph and Data Layout42 PSO-200Constellation ChartThe figure below shows an example of a QPSK constellation with four points (2-bit sy
Customizing the Graph and Data LayoutOptical Modulation Analyzer 43Eye DiagramsEye DiagramsAn eye diagram is a trace of the intensity, magnitude, or p
Customizing the Graph and Data Layout44 PSO-200Eye DiagramsI/Q Eye DiagramsThe I (in-phase) and Q (quadrature) eye diagrams represent the “real” and “
Customizing the Graph and Data LayoutOptical Modulation Analyzer 45Eye DiagramsMagnitude Eye DiagramEye diagram of P(tB)1/2=|E(tB)|. No phase informat
Customizing the Graph and Data Layout46 PSO-200Eye DiagramsError Vector Magnitude (EVM) DiagramThe quality of the transmitted signal can be establishe
Customizing the Graph and Data LayoutOptical Modulation Analyzer 47Pattern DiagramsPattern DiagramsYou can view all graphs (I/Q, intensity, magnitude,
Optical Modulation Analyzer 497 Viewing and Analyzing ResultsOpening an Existing Acquisition FileYou can recall previously saved acquisition files on
Viewing and Analyzing Results50 PSO-200Viewing Acquisition InformationViewing Acquisition InformationWhen opening a previously acquired file for analy
Viewing and Analyzing ResultsOptical Modulation Analyzer 51Playing Back Acquisition FilesPlaying Back Acquisition FilesOnce you have acquired bursts,
Certification Informationvi PSO-200Certification InformationNorth America Regulatory StatementThis unit was certified by an agency approved in both Ca
Viewing and Analyzing Results52 PSO-200Zooming and Moving GraphsZooming and Moving GraphsOnce you have acquired data, you can use zoom and pan functio
Viewing and Analyzing ResultsOptical Modulation Analyzer 53Displaying and Setting X-Axis ValuesDisplaying and Setting X-Axis ValuesFor eye and pattern
Viewing and Analyzing Results54 PSO-200Displaying Graphs in Color Grade ModeDisplaying Graphs in Color Grade ModeThe Color Grade mode is much like usi
Viewing and Analyzing ResultsOptical Modulation Analyzer 55Displaying Multiple Bursts Simultaneously (Persistence)Displaying Multiple Bursts Simultane
Viewing and Analyzing Results56 PSO-200Using the Measurement TablesUsing the Measurement TablesThe measurement table is used to view the calculated re
Viewing and Analyzing ResultsOptical Modulation Analyzer 57Using the Measurement TablesTo customize the measurement table display:1. From the Settings
Viewing and Analyzing Results58 PSO-200Using Graph MarkersUsing Graph MarkersTo help you evaluate values and differences (deltas) in precise locations
Viewing and Analyzing ResultsOptical Modulation Analyzer 59Using Graph MarkersTo display (or hide) markers and dashboard for a graph:Right-click on a
Viewing and Analyzing Results60 PSO-200Viewing Signal Distribution Using HistogramsViewing Signal Distribution Using HistogramsIn cases where you want
Viewing and Analyzing ResultsOptical Modulation Analyzer 61Viewing Signal Distribution Using HistogramsTo display a histogram on a graph:1. Select a g
Certification InformationOptical Modulation Analyzer viiEuropean Community Declaration of ConformityEuropean Community Declaration of Conformity Ap
Viewing and Analyzing Results62 PSO-200Distinguishing Data Points from TransitionsDistinguishing Data Points from TransitionsYou can display “real dat
Viewing and Analyzing ResultsOptical Modulation Analyzer 63Distinguishing Data Points from TransitionsTo highlight data points in white:From the Displ
Viewing and Analyzing Results64 PSO-200Using Pattern MasksUsing Pattern MasksYou can display masks on graphs to test signal quality and perform a quic
Viewing and Analyzing ResultsOptical Modulation Analyzer 65Using Pattern MasksThe following standard masks are provided with the application:Note: Whe
Viewing and Analyzing Results66 PSO-200Using Pattern MasksTo activate and select masks:1. From the Settings menu, select Acquisition.2. Under the Anal
Viewing and Analyzing ResultsOptical Modulation Analyzer 67Using Pattern MasksCreating or Editing Mask Definition FilesThe Optical Modulation Analyzer
Viewing and Analyzing Results68 PSO-200Using Pattern MasksSpecific requirements for intensity (and EVM) masks: You can enter as many coordinates (x,y
Viewing and Analyzing ResultsOptical Modulation Analyzer 69Using Pattern MasksEVM masks follow the same requirements and rules as intensity masks, but
Viewing and Analyzing Results70 PSO-200Using Averaging to Improve ResultsUsing Averaging to Improve ResultsYou can improve the signal waveform (and SN
Viewing and Analyzing ResultsOptical Modulation Analyzer 71Using Averaging to Improve ResultsThe averaging mode “fills the holes” by adding more and m
Viewing and Analyzing Results72 PSO-200Applying Advanced Signal Processing AlgorithmsTo activate and configure averaging:1. From the Settings menu, se
Viewing and Analyzing ResultsOptical Modulation Analyzer 73Applying Advanced Signal Processing Algorithms Waveform Estimation Phase TrackingIncreases
Viewing and Analyzing Results74 PSO-200Applying Advanced Signal Processing Algorithms Chromatic Dispersion UnwrappingCompensates for chromatic disper
Viewing and Analyzing ResultsOptical Modulation Analyzer 75Applying Advanced Signal Processing AlgorithmsThe following table shows algorithms availabl
Viewing and Analyzing Results76 PSO-200Applying Data FilteringApplying Data FilteringThe Optical Modulation Analyzer application allows you to apply t
Viewing and Analyzing ResultsOptical Modulation Analyzer 77Applying Data FilteringWhen you select filtering, the application also activates Average mo
Optical Modulation Analyzer 798 Bit Pattern Analysis and the GearboxThe following diagram illustrates the main steps and possibilities in bit pattern
Bit Pattern Analysis and the Gearbox80 PSO-200Basic Gearbox Setup DetailsBasic Gearbox Setup DetailsHere are the basic instructions to set the Gearbox
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 81Basic Gearbox Setup Details3. Select the Gearbox tab.4. Select the Gearbox layout.5.
Optical Modulation Analyzer 11 Introducing the PSO-200 Optical Modulation AnalyzerAs new advanced modulation schemes enable the transmission of high-s
Bit Pattern Analysis and the Gearbox82 PSO-200Basic Gearbox Setup Details6. Enter the offsets for the bit patterns and indicate whether they are inver
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 83Exporting Symbol PatternsExporting Symbol PatternsIf the signal data has been acquir
Bit Pattern Analysis and the Gearbox84 PSO-200Importing User-Defined Symbol PatternsImporting User-Defined Symbol PatternsYou can import a known symbo
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 85Importing User-Defined Symbol PatternsTo import a symbol pattern:1. From the Setting
Bit Pattern Analysis and the Gearbox86 PSO-200Importing User-Defined Symbol Patterns4. Click Import, then select the symbol pattern file (.osp) you wa
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 87Performing Detailed Bit Pattern Analysis with the GearboxPerforming Detailed Bit Pat
Bit Pattern Analysis and the Gearbox88 PSO-200Performing Detailed Bit Pattern Analysis with the GearboxGearbox Streaming TypesDepending on how the bit
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 89Performing Detailed Bit Pattern Analysis with the GearboxThere are several ways to i
Bit Pattern Analysis and the Gearbox90 PSO-200Performing Detailed Bit Pattern Analysis with the GearboxAPSK 1 Global stream 1 Global streamDual (X-Y)
Bit Pattern Analysis and the GearboxOptical Modulation Analyzer 91Performing Detailed Bit Pattern Analysis with the Gearbox16-QAM 1 global stream 1 gl
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