
Raisecom
iTN2100 (P100R002) Hardware Description
15 PDH and RCMS cards
Raisecom Technology Co., Ltd.
158
15.5.6 Alarms
Table 15-27 lists alarms of the OPCOM3500E-120EOS×4.
Table 15-27
Alarms of the OPCOM3500E-120EOS×4
Alarm
Cause
Level
Optical interface LOS
alarm
Attenuation of received signals is over great.
The peer sender fails.
The fiber head is unclean or the connector is
improperly connected.
The local receiver fails.
Critical
Remote optical
interface LOS alarm
Attenuation of received signals is over great.
The peer sender fails.
The fiber head is unclean or the connector is
improperly connected.
The local receiver fails.
Critical
Optical interface LOF
alarm
The sending alarm of the peer device fails.
Optical signals do not match.
Local receiving reference clock fails.
Critical
Remote interface
LOF alarm
The sending alarm of the peer device fails.
Optical signals do not match.
Local receiving reference clock fails.
Critical
Local optical
interface E-3 alarm
Attenuation of received signals is over great.
The peer sender fails.
The fiber head is unclean or the connector is
improperly connected.
Major
Local optical
interface E-6 alarm
Attenuation of received signals is over great.
The peer sender fails.
The fiber head is unclean or the connector is
improperly connected.
Major
Remote optical
interface E-3 alarm
Attenuation of received signals is over great.
The peer sender fails.
The fiber head is unclean or the connector is
improperly connected.
Major
Remote optical
interface E-6 alarm
Attenuation of received signals is over great.
The peer sender fails.
The fiber head is unclean or the connector is
improperly connected.
Major
E1 LOS alarm
Signals are lost.
Critical
PDH overall alarm
Local PDH optical interface overall alarm
Critical
Remote LPR alarm
The remote device is powered off.
Major
Remote PDH overall
alarm
The PDH optical interface on the remote device has
overall alarms.
Critical
15.5.7 Specifications
Table 15-28 lists specifications of the OPCOM3500E-120EOS×4.