Specifications

4000326 Rev A Optical Amplifiers 4-21
Monitor Alarm Parameters,
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ALARMS Screen Description
The ALARMS screens let you quickly determine the cause of an alarm. When an
ALARMS screen is active, press the Select
key on the amplifier to rotate
through the active alarms.
Each screen also displays the current parameter. If no alarm is active for a particular
parameter, the module does not display that screen.
Alarm Parameters
The following table describes each alarm parameter.
Parameter Meaning Description
No Alarms No alarms No alarms are active.
Self Test Software self test Software self test failed.
Pout Power output
Amplifier power is outside its normal
operating range.
Pin Input power
Power into the amplifier is outside its
normal operating range.
IlasA Laser diode A current
Current level to laser diode A is outside
normal operating range.
IlasB Laser diode B current
Current level to laser diode B is outside
normal operating range.
IlimA Laser A current
Laser A current is outside normal
operating range.
IlimB Laser B current
Laser B current is outside normal
operating range.
ItecA TE cooler A current
TE cooler A temperature is outside
normal operating range.
ItecB TE cooler B current
TE cooler B temperature is outside
normal operating range.
PtmpA
Laser diode A
temperature
Temperature of laser diode A is outside
operating range.
PtmpB
Laser diode B
temperature
Temperature of laser diode B is outside
operating range.
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