Specifications

4-4 Optical Amplifiers 4000326 Rev A
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
Optical power into the amplifier is outside its
required level.
Ilas Laser bias current
Laser bias current is outside normal
operating range.
Itec TE cooler current
Current level to the TE current is outside
normal operating range.
Ptmp Laser temperature
Temperature of the laser is outside operating
range.
Mtemp
Module
temperature
Temperature of the unit is outside normal
operating range.
Pump Pump Pump failure.
PSint
Pump power
supply
One or more of the pump’s power supplies is
out of spec.
D5Vdc
+5 V DC digital
power level
The +5 V DC power level for analog circuitry
is outside normal range.
A5Vdc
+5 V DC analog
power level
The +5 V DC power level for digital circuitry
is outside normal range.
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