Exfo FTB -5240S/5240BP Optical Spectrum Analyzer Manual do Utilizador Página 601
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SCPI Command Reference
OSA 595
Product-Specific Commands—Description
:UNIT[1..n]:RATio?
Description This query returns the selected default unit for
commands which program relative power.
At *RST, default relative power unit is set to DB.
Syntax :UNIT[1..n]:RATio?
Parameter(s) None
Response Syntax <Unit>
Response(s) Unit:
The response data syntax for <Unit> is defined
as a <CHARACTER RESPONSE DATA> element.
The response corresponds to the selected
default relative power unit.
DB: dB power unit is selected.
W/W: watt ratio power unit is selected.
%: percent power unit is selected.
Example(s) UNIT:RAT W/W
UNIT:RAT? Returns W/W
See Also :UNIT[1..n]:POWer
:UNIT[1..n]:SPECtrum
:UNIT[1..n]:RATio
- FTB-5240S/S-P/BP 1
- Contents 3
- Certification Information 6
- 1 Introducing the 7
- FTB-5240S/S-P/BP Optical 7
- Spectrum Analyzer 7
- Typical Applications 9
- Optional Software Packages 10
- Post-Processing Application 11
- 2 Safety Information 13
- 8 FTB-5240S/S-P/BP 14
- 10 FTB-5240S/S-P/BP 16
- Selecting a Test Mode 18
- 14 FTB-5240S/S-P/BP 20
- WDM ST EDFA 20
- Nulling Electrical Offsets 21
- 16 FTB-5240S/S-P/BP 22
- Preparing Your OSA for a Test 24
- Factors 28
- To save a user calibration: 32
- Using the Autonaming Feature 35
- To customize the file name: 36
- 32 FTB-5240S/S-P/BP 38
- WDM Mode 39
- 34 FTB-5240S/S-P/BP 40
- 36 FTB-5240S/S-P/BP 42
- 44 FTB-5240S/S-P/BP 50
- 46 FTB-5240S/S-P/BP 52
- 48 FTB-5240S/S-P/BP 54
- Customizing WDM Results Table 55
- 52 FTB-5240S/S-P/BP 58
- 56 FTB-5240S/S-P/BP 62
- 58 FTB-5240S/S-P/BP 64
- 60 FTB-5240S/S-P/BP 66
- Defining Global Thresholds 68
- To define global thresholds: 70
- Defining Default Thresholds 72
- To define default Thresholds: 74
- 74 FTB-5240S/S-P/BP 80
- 4. Press Edit Selection 82
- 80 FTB-5240S/S-P/BP 86
- 84 FTB-5240S/S-P/BP 90
- 86 FTB-5240S/S-P/BP 92
- 88 FTB-5240S/S-P/BP 94
- Drift Mode 97
- 92 FTB-5240S/S-P/BP 98
- 94 FTB-5240S/S-P/BP 100
- Defining Preferences 100
- IMPORTANT 102
- To enter comments: 103
- 98 FTB-5240S/S-P/BP 104
- Defining Display Parameters 105
- 2. Select the Display tab 106
- 102 FTB-5240S/S-P/BP 108
- 104 FTB-5240S/S-P/BP 110
- 106 FTB-5240S/S-P/BP 112
- 108 FTB-5240S/S-P/BP 114
- 2. Select the General tab 116
- 112 FTB-5240S/S-P/BP 118
- 114 FTB-5240S/S-P/BP 120
- 116 FTB-5240S/S-P/BP 122
- 118 FTB-5240S/S-P/BP 124
- Threshold Limit Definition 125
- 120 FTB-5240S/S-P/BP 126
- 122 FTB-5240S/S-P/BP 128
- Managing Channels 129
- 2. Select the Channels tab 130
- 130 FTB-5240S/S-P/BP 136
- 132 FTB-5240S/S-P/BP 138
- 136 FTB-5240S/S-P/BP 142
- 140 FTB-5240S/S-P/BP 146
- Criteria Test 146
- Compatibility 146
- 142 FTB-5240S/S-P/BP 148
- 6. Click Next 149
- 144 FTB-5240S/S-P/BP 150
- 146 FTB-5240S/S-P/BP 152
- DFB Mode 155
- 152 FTB-5240S/S-P/BP 158
- 158 FTB-5240S/S-P/BP 164
- 160 FTB-5240S/S-P/BP 166
- 166 FTB-5240S/S-P/BP 172
- 172 FTB-5240S/S-P/BP 178
- 174 FTB-5240S/S-P/BP 180
- Spectral Transmittance Mode 183
- 180 FTB-5240S/S-P/BP 186
- 186 FTB-5240S/S-P/BP 192
- Parameters 193
- 188 FTB-5240S/S-P/BP 194
- Defining ST Analysis Settings 196
- 192 FTB-5240S/S-P/BP 198
- 194 FTB-5240S/S-P/BP 200
- 196 FTB-5240S/S-P/BP 202
- EDFA Mode 205
- 200 FTB-5240S/S-P/BP 206
- 202 FTB-5240S/S-P/BP 208
- 206 FTB-5240S/S-P/BP 212
- 210 FTB-5240S/S-P/BP 216
- 212 FTB-5240S/S-P/BP 218
- 216 FTB-5240S/S-P/BP 222
- 220 FTB-5240S/S-P/BP 226
- value applied on the output 229
- 228 FTB-5240S/S-P/BP 234
- 230 FTB-5240S/S-P/BP 236
- 232 FTB-5240S/S-P/BP 238
- 234 FTB-5240S/S-P/BP 240
- 10 Starting a Measurement 243
- 11 Managing Files and Test 245
- Configurations 245
- Using the Discover Feature 247
- Managing Measurement Files 248
- 244 FTB-5240S/S-P/BP 250
- 246 FTB-5240S/S-P/BP 252
- 248 FTB-5240S/S-P/BP 254
- Raw trace data 254
- Trace information 254
- Trace identification 254
- Managing Favorites 256
- 2. Select the Favorites tab 257
- 252 FTB-5240S/S-P/BP 258
- To save a test configuration: 259
- 254 FTB-5240S/S-P/BP 260
- 258 FTB-5240S/S-P/BP 264
- Using a Restore Point 266
- 12 Managing Results 267
- Managing WDM Test Results 268
- 264 FTB-5240S/S-P/BP 270
- 266 FTB-5240S/S-P/BP 272
- Results Tab 273
- Channel Results Tab 274
- Global Results Tab 276
- WDM Investigator Tab 277
- 272 FTB-5240S/S-P/BP 278
- Symbol Meaning 279
- 274 FTB-5240S/S-P/BP 280
- Managing Drift Test Results 282
- Signal power 283
- Managing Results 284
- Channel Graph Tab 286
- Channel History Tab 287
- WDM Graph Tab 289
- 284 FTB-5240S/S-P/BP 290
- Managing DFB Test Results 293
- 288 FTB-5240S/S-P/BP 294
- Managing FP Test Results 297
- 292 FTB-5240S/S-P/BP 298
- ST Graph Tab 301
- 296 FTB-5240S/S-P/BP 302
- ST Results Tab 304
- Managing EDFA Test Results 306
- Swapping EDFA Traces 311
- Adjusting the Display Size 312
- 308 FTB-5240S/S-P/BP 314
- Using Zoom Controls 315
- 310 FTB-5240S/S-P/BP 316
- Managing Markers 317
- 314 FTB-5240S/S-P/BP 320
- Managing Trace Information 321
- 316 FTB-5240S/S-P/BP 322
- 318 FTB-5240S/S-P/BP 324
- Generating Reports 325
- 13 Maintenance 327
- 322 FTB-5240S/S-P/BP 328
- Cleaning EUI Connectors 328
- Recalibrating the Unit 330
- Recycling and Disposal 331
- 14 Troubleshooting 333
- 328 FTB-5240S/S-P/BP 334
- Troubleshooting 335
- From the Main Menu, press 335
- 15 Warranty 339
- Liability 340
- Service and Repairs 342
- A Technical Specifications 345
- Technical Specifications 346
- B SCPI Command Reference 347
- SCPI Command Reference 348
- :CALCulate[1..n][:WDM]: 356
- BANDwidth[1 356
- RelativeLEVel 356
- RelativeLEVel? 358
- 354 FTB-5240S/S-P/BP 360
- CENTer:ITUGrid 362
- CENTer:ITUGrid? 364
- NOISe:AUTO 365
- NOISe:AUTO? 367
- NOISe:DISTance:FREQuency 368
- NOISe:DISTance:FREQuency? 370
- NOISe:DISTance:[WAVelength] 372
- NOISe:DISTance[WAVelength]? 374
- NOISe:WIDTh:FREQuency 376
- NOISe:WIDTh:FREQuency? 378
- NOISe:WIDTh:[WAVelength] 380
- NOISe:WIDTh[WAVelength]? 383
- NOISe:TYPE 385
- NOISe:TYPE? 387
- SIGnalPower:TYPE 389
- SIGnalPower:TYPE? 391
- WIDTh:FREQuency 393
- WIDTh:FREQuency? 395
- WIDTh[:WAVelength] 397
- WIDTh[:WAVelength]? 399
- CATalog? 401
- [:DEFine] 404
- [:DEFine]? 407
- DELete[:NAME] 409
- DELete:ALL 410
- CENTer:FREQuency 411
- CENTer:FREQuency? 413
- CENTer[:WAVelength] 415
- CENTer[:WAVelength]? 417
- NOISe:DISTance[:WAVelength] 435
- NOISe:DISTance[:WAVelength]? 437
- NOISe:WIDTh[:WAVelength] 443
- NOISe:WIDTh[:WAVelength]? 446
- 446 FTB-5240S/S-P/BP 452
- NSELect? 454
- 450 FTB-5240S/S-P/BP 456
- FREQuency? 461
- BANDwidth[1 465
- [:WAVelength]? 465
- 464 FTB-5240S/S-P/BP 470
- CenterMASs:FREQuency? 475
- CenterMASs[:WAVelength]? 477
- CenterPEAk:FREQuency? 479
- CenterPEAk[:WAVelength]? 481
- 478 FTB-5240S/S-P/BP 484
- 480 FTB-5240S/S-P/BP 486
- 486 FTB-5240S/S-P/BP 492
- 488 FTB-5240S/S-P/BP 494
- 490 FTB-5240S/S-P/BP 496
- 492 FTB-5240S/S-P/BP 498
- SIGnalPower? 499
- FLATness? 504
- :CALCulate[1..n][:WDM]:DATA: 506
- SIGnalPower:FLATness? 506
- SIGnalPower:MEAN? 507
- 502 FTB-5240S/S-P/BP 508
- :CALCulate[1..n][:WDM]:OSNR: 509
- BANDwidth 509
- :CALCulate[1..n][:WDM]:STATe 516
- :CALCulate[1..n][:WDM]:STATe? 517
- 512 FTB-5240S/S-P/BP 518
- 514 FTB-5240S/S-P/BP 520
- :CALibration[1..n]:DATE? 522
- 518 FTB-5240S/S-P/BP 524
- 520 FTB-5240S/S-P/BP 526
- :INITiate:CONTinuous 528
- :INITiate:CONTinuous? 531
- :INITiate[:IMMediate] 532
- :MEMory:TABLe:DATA? 534
- :MEMory:TABLe:DEFine 536
- :MEMory:TABLe:DEFine? 538
- :MEMory:TABLe:SELect 539
- :MEMory:TABLe:SELect? 540
- :MEMory:TABLe:POINt? 541
- 536 FTB-5240S/S-P/BP 542
- :SENSe[1..n]:AVERage:COUNt 544
- :SENSe[1..n]:AVERage:COUNt? 546
- :SENSe[1..n]:AVERage:STATe 548
- :SENSe[1..n]:AVERage:STATe? 549
- :SENSe[1..n]:AVERage:TYPE 550
- :SENSe[1..n]:AVERage:TYPE? 552
- [:MAGNitude] 553
- [:MAGNitude]? 555
- :SENSe[1..n]:FREQuency:STARt 557
- :SENSe[1..n]:FREQuency:STARt? 559
- :SENSe[1..n]:FREQuency:STOP 561
- :SENSe[1..n]:FREQuency:STOP? 563
- 560 FTB-5240S/S-P/BP 566
- 562 FTB-5240S/S-P/BP 568
- 564 FTB-5240S/S-P/BP 570
- 566 FTB-5240S/S-P/BP 572
- 568 FTB-5240S/S-P/BP 574
- 570 FTB-5240S/S-P/BP 576
- :SNUMber? 577
- :STATus? 578
- CONDition? 579
- 576 FTB-5240S/S-P/BP 582
- 578 FTB-5240S/S-P/BP 584
- 580 FTB-5240S/S-P/BP 586
- 582 FTB-5240S/S-P/BP 588
- :TRACe:FEED:CONTrol 589
- :TRACe:FEED:CONTrol? 591
- :TRACe:POINts? 593
- 590 FTB-5240S/S-P/BP 596
- :UNIT[1..n]:POWer 597
- :UNIT[1..n]:POWer? 599
- :UNIT[1..n]:RATio 600
- :UNIT[1..n]:RATio? 601
- :UNIT[1..n]:SPECtrum 602
- :UNIT[1..n]:SPECtrum? 603
- Referencing 604
- Command Sequence Comments 605
- 600 FTB-5240S/S-P/BP 606
- Noise Analysis 607
- 602 FTB-5240S/S-P/BP 608
- Acquisition Sequence (WDM) 609
- Channel (WDM) 610
- 606 FTB-5240S/S-P/BP 612
- 608 FTB-5240S/S-P/BP 614
- 610 FTB-5240S/S-P/BP 616
- 612 FTB-5240S/S-P/BP 618
- 614 FTB-5240S/S-P/BP 620
- 616 FTB-5240S/S-P/BP 622
- C Formulas Used with Your 625
- Optical Spectrum Analyzer 625
- Transmittance) 626
- ₼⦌␂ℝ☀⹂䓸德棟Ⓟ䤓屓⸩ 636
- MARKING REQUIREMENTS 637
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