Exfo PM-1600 High-Speed Power Meter Manuel d'utilisateur Page 65
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High-Speed Power Meter 55
7 Performing Typical Tests with
Your PM-1600
To make accurate, meaningful, and repeatable power measurements, it is
important to consider the following points:
➤ Connectors, fiber ends, ports, and detectors should be clean at all
times.
➤ A null measurement should be performed prior to each user session or
whenever there is a significant change in ambient temperature. To
perform a null measurement, see Nulling Electrical Offsets on page 11.
➤ The optical source should be stable.
➤ Appropriate test jumpers, connectors, and adapters must be used.
➤ Once a reference has been taken, ensure that the setup remains
stable. To take a reference, see Measuring Relative Power on page 16.
➤ Since optical losses vary according to the launch, receive conditions,
and fiber type, controlling these conditions with mode filters and
strippers is essential.
High-Speed Power Meter 55
7 Performing Typical Tests with
Your PM-1600
To make accurate, meaningful, and repeatable power measurements, it is
important to consider the following points:
➤ Connectors, fiber ends, ports, and detectors should be clean at all
times.
➤ A null measurement should be performed prior to each user session or
whenever there is a significant change in ambient temperature. To
perform a null measurement, see Nulling Electrical Offsets on page 11.
➤ The optical source should be stable.
➤ Appropriate test jumpers, connectors, and adapters must be used.
➤ Once a reference has been taken, ensure that the setup remains
stable. To take a reference, see Measuring Relative Power on page 16.
➤ Since optical losses vary according to the launch, receive conditions,
and fiber type, controlling these conditions with mode filters and
strippers is essential.
- High-Speed Power Meter 1
- Contents 5
- High-Speed Power Meter v 7
- Certification Information 8
- DECLARATION OF CONFORMITY 9
- 1 Introducing the PM-1600 11
- Front Panel 12
- Back Panel 13
- RS-232 Connector Pinout 14
- 2 Safety Information 15
- General Safety Information 16
- Laser Safety Information 16
- Electrical Safety Information 17
- Power Cable 18
- 3 Getting Started with Your 19
- 10 PM-1600 20
- - - - - - - 21
- 12 PM-1600 22
- Nulling Electrical Offsets 22
- 4 Acquiring Power 23
- Measurements 23
- 1310.00 nm 24
- 1550.00 nm 24
- Measuring Absolute Power 25
- 1310.25 nm 26
- -32.218 dBm 26
- Measuring Relative Power 27
- 18 PM-1600 28
- Measuring Corrected Power 29
- Setting an Offset Value 30
- Setting Measurement Range 32
- Viewing Statistics 34
- mark is displayed 35
- 26 PM-1600 36
- Managing the Wavelength List 36
- 28 PM-1600 38
- Setting a Correction Factor 40
- Setting Display Resolution 42
- Setting Refresh Rate 44
- Setting Sampling Rate 45
- Averaging 46
- Saving a Setup Configuration 47
- 38 PM-1600 48
- Resetting the PM-1600 49
- 6 Programming Acquisitions 55
- 46 PM-1600 56
- High-Speed Power Meter 47 57
- 48 PM-1600 58
- High-Speed Power Meter 49 59
- High-Speed Power Meter 51 61
- High-Speed Power Meter 53 63
- 54 PM-1600 64
- Your PM-1600 65
- 56 PM-1600 66
- Testing Instrument Linearity 68
- 60 PM-1600 70
- Testing Repeatability 71
- Testing the Settling Time 72
- Using the External Trigger 73
- 64 PM-1600 74
- Using the Analog Output 75
- 8 Controlling the PM-1600 77
- Automatically or Remotely 77
- 68 PM-1600 78
- Communication Parameters 79
- High-Speed Power Meter 71 81
- Command Structure 82
- High-Speed Power Meter 73 83
- Error Messages 90
- High-Speed Power Meter 81 91
- PM-1600 Error Messages 92
- 9 Customizing the PM-1600 93
- Setting Display Contrast 94
- Choosing Video Mode 94
- 10 Maintenance 97
- Cleaning Fixed Connectors 98
- IMPORTANT 100
- Cleaning EUI/EUA Adapters 103
- Trigger Ports 105
- Replacing the Fuse 106
- 98 PM-1600 108
- Software Upgrade 108
- 11 Troubleshooting 111
- 102 PM-1600 112
- Transportation 114
- 12 Warranty 115
- 106 PM-1600 116
- Liability 116
- 108 PM-1600 118
- A Technical Specifications 119
- 110 PM-1600 120
- B Remote Control (SCPI) 121
- Commands 121
- 112 PM-1600 122
- General Commands 122
- 114 PM-1600 124
- 116 PM-1600 126
- FETCh[:SCALar]:POWer:DC? 128
- FORMat:READings[:DATA] 129
- INITiate:AUTOstop 130
- INITiate:AUTOstop? 130
- INITiate:CONTinuous 131
- INITiate:CONTinuous? 131
- 122 PM-1600 132
- Specific Commands 132
- READ:ALL:POWer:DC? 133
- READ[:SCALar]:POWer:DC? 133
- SENSe:AVERage:COUNt 134
- SENSe:AVERage:COUNt? 134
- SENSe:AVERage[:STATe] 135
- SENSe:AVERage:STATe? 135
- SENSe:CORRection:COLLect:ZERO 136
- SENSe:FREQuency[:CONTinuous] 138
- SENSe:FREQuency:CONTinuous? 139
- SENSe:FREQuency:NCONtinuous 140
- SENSe:FREQuency:NCONtinuous? 140
- SENSe:POWer:RANGe? 141
- SENSe:POWer:RANGe:AUTO 142
- SENSe:POWer:RANGe:AUTO? 143
- SENSe:POWer:RANGe:HIGH 144
- SENSe:POWer:RANGe:LIST? 144
- SENSe:POWer:RANGe:LOW 145
- SENSe:POWer:REFerence 145
- SENSe:POWer:REFerence? 146
- SENSe:POWer:REFerence:DISPlay 146
- SENSe:POWer:REFerence:STATe 147
- SENSe:POWer:REFerence:STATe? 147
- SENSe:POWer:UNIT 148
- SENSe:POWer:UNIT? 148
- SENSe:POWer:WAVElength 149
- SENSe:POWer:WAVElength? 149
- TRACe:DATA? 150
- TRACe:POINts 151
- TRACe:POINts? 151
- TRIGger:SEQuence:LEVel 152
- TRIGger:SEQuence:LEVel? 153
- TRIGger:SEQuence:SLOPe 153
- TRIGger:SEQuence:SLOPe? 154
- TRIGger:SEQuence:SOURce 154
- TRIGger:SEQuence:SOURce? 155
- TRIGger:SEQuence:STATe 155
- TRIGger:SEQuence:STATe? 156
- UNIT:POWer 156
- High-Speed Power Meter 147 157
- High-Speed Power Meter 149 159
- High-Speed Power Meter 151 161
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