Specifications

1-40 Transmitters 4000326 Rev A
Monitor Alarm Parameters
Introduction
From the ALARMS screen on the transmitter, you can determine whether there is a
transmitter alarm condition and, if there is an alarm condition, the cause of the
alarm.
If an alarm condition:
• Is present, the cause of the condition displays on the screen. Items that are not in
the alarm state are passed over and are not displayed.
• Is not present, the message No Alarms displays on the screen.
Alarm Information
The following transmitter alarm information is available:
• Software self test
• Power output
• Photodiode current
• Laser bias current
• Composite OMI/RF
• TE cooler current
• TE cooler temperature
• Linearizer heat sink temperature
• Modulator bias test point voltage
• RF power
• PLL lock status
• Key switch position
• Laser temperature
• Module temperature
• +5 V DC analog power level
• +5 V DC digital power level
• -5 V DC analog power level
• +15 V DC analog power level
• +24 V DC analog power level
• Backplane power supply status (primary and secondary)
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