User's Manual

User’s Manual for Remote Unit
MMR8/19
Page 34 M0106A7E.doc
6.5. ALARM LIST
The status of the remote unit can be checked via software commands.
Alarm message Failure
Opt. Rx alarm
Opt. Tx alarm
Opt. Rx failure (no input)
Opt. Tx failure
Autolevelling Optical loss has changed
Amplifier current DL1
Amplifier current DL2
Amplifier current DL3
Amplifier current too high or too low
ALC alarm DL
ALC alarm UL
Output power too high
Input power too high
Temperature alarm Temperature out of range
I2C bus failure Internal communication bus failure
PSU 12 V
PSU 28 V
PSU mains
Power supply 12V failure
Power supply 28V failure
Power supply mains failure
FAN FAN out of order
External alarm 1
External alarm 2
External alarm 3
External alarm 4
Option for supervision of external components