Specifications

1-104 Transmitters 4000326 Rev A
Monitor Alarm Parameters Using the ICIM
Introduction
The Intelligent Communications Interface Module (ICIM) in the Prisma II Chassis
allows you to scroll through and view alarms that may exist for the transmitter.
Transmitter Status LED Description
The Alarm LED located on the transmitter’s front panel illuminates or blinks to
indicate the state of the transmitter.
The following table shows each possible transmitter state.
If the Alarm LED: This Indicates:
Blinks a minor alarm condition.
Illuminates a critical alarm condition.
Alarm Information
The following transmitter alarm information is available:
• Laser bias • Optical output power
• Laser temperature • Power supply
• Module temperature • Laser on/off
• Modulator bias • Continuous wave (CW) mode
• 2 GHz SBS power level • -5 V power level
• 2 GHz SBS power level status • -12 V power level
• Constant power loop status • +12 V power level
• RF input power
Note: Not all alarm parameters listed above apply to all 1550 nm Transmitters.
Alarm Limits
Alarms limits fall into one of the following categories.
• Minor low
• Minor high
• Major low
• Major high
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