Table 5-12 Alarms For The Stm (A) Card - Raisecom RC3000-15 Hardware Description

Raisecom
RC3000-15 (P100R001) Hardware Description

Table 5-12 Alarms for the STM (A) card

Alarm
RS-LOS
RS-LOF
RS-TIM
AU-AIS
AU-LOP
MS-EXC
MS-AIS
HP-LOM
HP-TIM
HP-PLM
TU-AIS
TU-LOP
LP-TIM
 Attenuation of received signals is over great.
 The peer sender fails.
 The connector of fiber is dirty or improperly connected.
 The local receiver fails.
 The Tx clock of the peer device fails.
 Optical signals do not match.
 The local Rx reference clock fails.
 The received trace byte of the local device and the sent trace
byte of the peer device are inconsistent.

Services are improperly configured.

The AU-AIS alarm of the VC4 channel is triggered by MS-
AIS, R-LOS, R-LOF alarms.

Services are improperly configured.

The peer device sends AU-AIS alarms.
 The sender of the peer device or the receiver of the local
device fails.
 The sender of the peer device fails.
 Services are improperly configured on the peer device.
 Bit Error Rate (BER) of the local device is over great.
 BER in the multiplexing section is over high.
 Optical signals are improperly transmitted.
 The performance of the local card is bad.
Multiplexing section alarm LED
 Alarm signals are inserted in the optical signals sent by the
peer device.
 The peer device is a regenerator and receives LOS, LOF, or
OOF alarms.
High order path Loss of Multiframe (LOM) alarm
 Services are improperly configured.
 Byte H4 is lost or incorrect.

The received channel trace byte of the local device and the
sent channel trace byte of the peer device are inconsistent.
 Services are improperly configured.

The received signal marking byte of the local device and the
sent signal marking byte of the peer device are inconsistent.

Services are improperly configured.
 Services are improperly configured.

The channel of the peer device fails.

Higher order path alarms, such as R-LOS, trigger the alarm.
 The cross connection card fails.
 The interface between the tributary card and the cross
connection card fails.
 Services are improperly configured.
 The low order path trace identifiers of the local device and
the peer device are inconsistent.
 Services are improperly configured.
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Cause
5 SDH cards
Level
Critical
Critical
Critical
Minor
Critical
Major
Minor
Critical
Critical
Critical
Minor
Critical
Critical
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