Cisco Cisco Prisma II EDR Receiver Guida All'Installazione
Chapter 5 Maintenance and Troubleshooting
134
Alarm
Function
Possible Causes
Possible Solutions
Rx1_Data
Loss of data for
Rx1
Rx1
Degraded signal
Low input power
Degraded transmitter
Wrong mode selected
Check, clean fiber
Check transmitter
output power
output power
Rx2_Data
Loss of data for
Rx2
Rx2
Degraded signal
Low input power
Degraded transmitter
Wrong mode selected
Check, clean fiber
Check transmitter
output power
output power
Rx3_Data
Loss of data for
Rx3
Rx3
Degraded signal
Low input power
Degraded transmitter
Wrong mode selected
Check, clean fiber
Check transmitter
output power
output power
Rx4_Data
Loss of data for
Rx4
Rx4
Degraded signal
Low input power
Degraded transmitter
Wrong mode selected
Check, clean fiber
Check transmitter
output power
output power
IntComm
Internal
communication
error
communication
error
Hardware failure
Replace module
Check for other
alarms indicating
fault elsewhere
alarms indicating
fault elsewhere
Alarm
Forced alarm
User is forcing an
alarm
alarm
Disable "Alarm"
control
control
Node Data
Node data valid
or invalid
or invalid
Broken fiber
Transmitter failure
Check fiber
Check transmitter
Alarms Specific to GS7000 Nodes
Alarm
Function
Possible Causes
Possible Solutions
NdTxPwr
Tx loss of output
power
power
Broken cable
Transmitter failure
Check cable
Check transmitter
NdRxPwr
Rx loss of
output power
output power
Low or no input
power at node
receiver input
power at node
receiver input
Node receiver
hardware failure
hardware failure
Replace module
Check for other
alarms indicating
fault elsewhere
alarms indicating
fault elsewhere