Troubleshooting Alarm Conditions; Module Alarm Conditions - Cisco Prisma II HD-LRMW Installation And Operation Manual

Chapter 5 Maintenance and Troubleshooting

Troubleshooting Alarm Conditions

Module Alarm Conditions

If the red ALARM indicator is illuminated or is blinking, check the display on
the front panel to determine the cause of the alarm.
Alarm
LasBias
LasTemp
PsOK
TxEnable
InRF
OutPwr
90
Function
Laser Bias Current
Failed
Laser Temperature
High or Low
Backplane voltage
status
Laser Enabled status
RF Input Power
High or Low
Optical Output Power
High or Low
Possible Causes
Automatic power control
circuit failure.
¡
Laser temperature out
of specification. Laser
could be faulty.
¡
Chassis air filter
requires changing.
OK
OK
¡
RF source not
transmitting.
¡
Faulty RF cables or
connections.
Laser could be faulty.
Possible Solutions
Contact Cisco Services for
assistance.
Contact Cisco Services for
assistance.
¡
Check module seating
¡
Check chassis power
supply
¡
Laser disabled
¡
Check Enable and
Master control settings
Check RF source and cables
and call connections.
Contact Cisco Services for
assistance.