JDS Uniphase RM3750 Operating and Maintenance Instructions, Front Panel, Key/LED Description

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RM3 SERIES BACKREFLECTION METER

USER’S MANUAL

Operating and Maintenance Instructions

Front Panel

The front of the meter (model RM3750) is shown in Figure 3 and described inTable 5. Not all RM3 Series meters are exactly as shown.

	Figure 3: Front of the Meter
Table 5: Front Panel Operating Keys and LEDs

Key/LED	Description

ON / OFF	Power on ON / OFF switch.

BR	Sets the meter to Backreflection measurement mode.

STORE BR0	Stores the BR0 value used in backreflection measurements and toggles
	the key lamp on and off.

POWER	Sets the meter to Power and Relative Power measurement modes.

STORE ID	Stores the ID value used in dark measurements.

λ	Selects one of the two laser sources.

10112341 Rev 002

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Contents RM3 Series Backreflection Meter User’s ManualContents Customized Features and Test Data Programming GuideSafety Information, Instructions, and Symbols Safety InformationClass Laser Product Before Initializing and Operating the Unit Safety InstructionsOperating the Unit RM3 Series Backreflection Meter USER’S Manual Symbol Safety SymbolsProceeding CE Compliance ComplianceFDA-CDRH Compliance CSA / IEC Compliance RM3 Series Backreflection Meter USER’S Manual General Information and Specifications General InformationLoss and Power Measurements Backreflection MeasurementsInternal Light Sources Key FeaturesOutput Port Hybrid JumpersOptional Accessories Standard AccessoriesApplications Specifications Parameter Specification Single-mode MultimodeFlexcor is a trademark of CorningR Physical ElectricalEnvironmental Before Initializing and Operating the Unit Getting StartedInitial Inspection Operating Environment Storing and ShippingCleaning Connectors Powering Up the Meter Connector Cleaning connector type can varyFront Panel Operating and Maintenance InstructionsKey/LED Description Component Function Rear PanelTermination Techniques Termination Techniques for Single-mode Fiber except 980 nmMeasuring Backreflection for Single-mode except 980 nm Setting Up the Meter for Backreflection Measurements Backreflection MeasurementsMeasuring Backreflection Setting Up the Meter for Loss and Power Measurements Loss and Power MeasurementsBackreflection Accuracy and Range Measuring Power Loss and Power MeasurementsMeasuring Relative Power Insertion Loss Measuring Absolute PowerPower Accuracy Data Logging Using the Foot PedalMessages and Symbols Display DescriptionCalibrating the Meter StabilizingBackreflection Calibration Adjustment Power Calibration AdjustmentCleaning the Connector Ends Cleaning the UnitMaintaining the Meter Replacement of Internal Fuses Recharging the BatteryTroubleshooting Loss Before the DUT Front Panel ConnectorsLong Cables for single mode model only, except 980 nm model Reflections Before the DUTCalibration Other Display Problem SolutionLaser Stability Up the Meter for BackreflectionProgramming Guide RS232 Interface SpecificationsName Symbol Pin Number Signal Direction RS232 Serial InterfaceCommand Action Right Dip Switch Left Dip SwitchSwitch Setting Meaning RS232-GPIB ConverterProgramming Examples RS232 Interface Program ExampleCustomized Features and Test Data