Alarms And Troubleshooting; Alarms - Comba Telecom MRU-4500 User Manual

6 ALARMS AND TROUBLESHOOTING

6.1

ALARMS

Alarm List
Over-Temperature
Alarm
Optical Tx Alarm
Optical Rx Alarm
DL Input Power
Overload Alarm
Alarm List
External Alarm
Over-Temperature
Alarm
Optical Tx Alarm
Optical Rx Alarm
PA Alarm
DL Output
Overload Alarm
Shutdown Alarm
LNA Alarm
ENU STATUS : 1-0-0
USER MANUAL FOR COMFLEX-5H00 1W2W
Table 14: MU Alarm List
Alarm Condition

Alarm when equipment temperature is higher than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold : 80℃ by default.

Alarm when Optical Transmiting power is lower than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold: -7dBm by default.

Alarm when Optical received power is lower than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold: -10dBm by default.

Alarm when DL input power is higher than the threshold, otherwise normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold: 32dBm by default.
Table 15: RU Alarm List
Alarm Condition

Alarm status when the external terminals have the same H/L level with alarm
level, otherwise normal;

Alarm period: 10s by default.

Alarm when equipment temperature is higher than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold : 80℃ by default.

Alarm When optical transmiting power is lower than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold: 0dBm by default.

Alarm When optical receiving power is lower than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold: -14dBm by default.

Alarm when any one of the PA Current Alarm,PA Over-temperature Alarm,
PA DL output power overload Alarm, Reflection Power Alarm happens,
otherwise normal;

Alarm judgment period: 3 minutes by default.

Alarm when the DL output power is higher than the threshold, otherwise
normal;

Alarm judgment period: 3 minutes by default;

Alarm threshold: 32dBm@1W, 35dBm@2W.

Alarm when the PA status is off, otherwise normal;

Alarm judgment period: 10s by default.

Alarm when LNA have problems, otherwise normal;

Alarm judgment period: 3 minutes by default.
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