Cisco Cisco Prisma II EDR Receiver Installation Guide
Chapter 5 Maintenance and Troubleshooting
104
Troubleshooting Alarm Conditions
Module Alarm Conditions
If the red ALARM indicator is illuminated, check the display on the front panel to
determine the cause of the alarm. The following tables list possible alarm conditions,
causes, and solutions.
determine the cause of the alarm. The following tables list possible alarm conditions,
causes, and solutions.
Note: Tx1Pwr - Tx4Pwr and Rx1Pwr - Rx4Pwr alarms are not applicable to
GainMaker Node transmitters.
GainMaker Node transmitters.
Common Alarms
Alarm
Function
Possible Causes
Possible Solutions
PsOk
Bus voltage
status
status
Power supply failure
Check power supply
Communication
Status
Status
Status of LCI
communication
with module
(also indicated
by negative poll
count)
communication
with module
(also indicated
by negative poll
count)
LCI cable
disconnected
disconnected
Receiver module
failure
failure
PC serial port not
operating correctly
operating correctly
Check LCI cable
Replace receiver
module
module
Reconfigure PC serial
port
port
OptPin1
Loss of signal
for Rx1
for Rx1
Broken fiber
Transmitter failure
Faulty OPM
Low input power
Alarm limits set
incorrectly
incorrectly
Check, clean fiber
Check transmitter
Replace faulty OPM
OptPin2
Loss of signal
for Rx2
for Rx2
Broken fiber
Transmitter failure
Faulty OPM
Low input power
Alarm limits set
incorrectly
incorrectly
Check, clean fiber
Check transmitter
Replace faulty OPM
Rx1_Data
Loss of data for
Rx1
Rx1
Degraded signal
Low input power
Degraded transmitter
Check, clean fiber
Check transmitter
output power
output power
Rx2_Data
Loss of data for
Rx2
Rx2
Degraded signal
Low input power
Degraded transmitter
Check, clean fiber
Check transmitter
output power
output power