JDS Uniphase RM3750 Manuel d'utilisateur

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 1 of 39RM3 SERIESBACKREFLECTION METERUser’s Manual

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 10 of 39non-conductive pollution occurs. Occasionally, however, a temporary conducti

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 11 of 39 General Information and SpecificationsGeneral Information This user’s manu

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 12 of 39Backreflection MeasurementsReflections in optical systems can come from a n

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 13 of 39Output PortThe output port of the RM meter is equipped with an ultra-low ba

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 14 of 39• User-calibration mode• RS232 serial and IEEE 488 GPIB parallel interface

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 15 of 39Specifications The following optical specifications describe the warranted

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 16 of 39* Flexcor is a trademark of CorningR.

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 17 of 39Table 4: Other Specifications Electrical Input voltage 100 to 240 V AC, 50

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 18 of 39 Getting Started The RM3 Series Backreflection Meter consists of the meter

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 19 of 39 Operating Environment In order for the unit to meet the warranted specific

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 2 of 39ContentsSafety Information, Instructions, and Symbols...

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 20 of 39invoice number, and an itemized statement of claimed defects must be includ

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL 10112341 Rev 002 Page 21 of 391. Blow the sleeve with filtered compressed air (Figure 2).Figure 2: Conne

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 22 of 39Operating and Maintenance InstructionsFront PanelThe front of the meter (mod

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 23 of 39Rear PanelThe back of the meter (Figure 4) can vary with the model.-25 VA ma

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 24 of 39need to be made just before the high-attenuation bends in order to offset th

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 25 of 39Figure 5b: Terminating the Jumper for BR Measurement for Single-mode (980 nm

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 26 of 396. Terminate the measurement jumper just before the output connector, and ho

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 27 of 39temperature. To ensure accurate backreflection measurements below -65 dB (-2

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 28 of 39 5. Attach the appropriate detector adapter to the detector on the front of

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 29 of 394. Connect the output connector of the DUT to the detector on the front of

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 3 of 39Front Panel...

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 30 of 39 Figure 9: Measuring Relative PowerPower AccuracyThe absolute accuracy of po

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 31 of 39Display Descriptionthe model number (XXXX) and the software version (Y.Y).ST

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 32 of 39Backreflection Calibration AdjustmentThe RM meter has a factory-set backrefl

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 33 of 393. Press the λ key to select the wavelength at which the calibration check i

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 34 of 39Figure 10: Removing the Connector Panel2. Remove the connector from the mat

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 35 of 39 Loss Before the DUTWhen a DUT is connected to the RM meter, the loss from

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 36 of 39 Laser StabilityIf the messages “Source Unstable” or “Input Low” are displa

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 37 of 39Programming GuideRS232 Serial InterfaceThe RM meter is equipped with an RS23

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 38 of 39On power-up, the RTS and DTR signals on the interface connector go positive,

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 39 of 39RS232-GPIB ConverterAn optional user-supplied RS232-to-IEEE 488 converter ca

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 4 of 39Website: http://www.jdsuniphase.comSafety Information, Instructions, and Symb

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 40 of 39Programming ExamplesRS232 Interface Program ExampleThe following program can

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 41 of 39Customized Features and Test Data

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 5 of 39Under the laser classification of the US Food and Drug Administration (FDA) C

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 6 of 39 Safety Instructions The following safety instructions must be observed when

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 7 of 39not use repaired fuses, and avoid any situations that can short-circuit thefu

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 8 of 39 Safety Symbols The following symbols and messages can be marked on the unit

RM3 SERIES BACKREFLECTION METERUSER’S MANUAL10112341 Rev 002 Page 9 of 39ComplianceCE Compliance The unit has been designed and tested to comply with