Specifications

4000326 Rev A Transmitters 1-41
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 transmitter 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
Transmitter power is outside its normal
operating range.
Lpout Photodiode current
Photodiode current is outside its normal
operating range.
Lbias Laser bias Laser bias current is outside its normal range.
RFlvl
Composite
OMI/RF
Composite OMI/RF power level is outside its
normal operating range.
Itec TE cooler current
TE cooler current level is outside its normal
operating range.
Ttemp
TE cooler
temperature
TE cooler temperature is outside its normal
operating range.
Htemp Linearizer heat sink
The linearizer heat sink temperature is
outside its normal operating range.
Mbias Modulator bias
The modulator bias test point voltage is
outside normal operating range.
Psbs RF power
The RF power detection of SBS is outside its
normal range.
Lock1 PLL lock status
The PLL lock status for SBS synthesizer 1 has
failed.
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