Specifications
4 Message Reference
96
liu_status
The LIU status. The following table shows the possible values and their meanings.
Value
Mnemonic
State
10
LIUS_SYNC_LOSS
Frame Sync Loss
11
LIUS_IN_SYNC
Frame Sync OK
12
LIUS_AIS
AIS Detected
13
LIUS_AIS_CLRD
AIS Cleared
14
LIUS_REM_ALARM
Remote Alarm
15
LIUS_REM_ALM_CLRD
Remote Alarm Cleared
20
LIUS_PCM_LOSS
PCM Loss
21
LIUS_PCM_OK
PCM Restored
4.7.5 MGT_MSG_SS7_EVENT - MTP2 Q.791 Event Indication
Synopsis
Message issued by the MTP2 module to advise management of protocol events in
accordance with Q.791.
Format
MESSAGE HEADER
Field Name
Meaning
type
MGT_MSG_SS7_EVENT (0x0202)
id
l2_llid
src
MTP2_module_ID
dst
Management module ID
rsp_req
0
hclass
0
status
EVENT CODE (see below)
err_info
Timestamp
next
0
len
0
Description
This primitive is used by MTP2 to advise system management of the occurrence of
protocol related events in accordance with Q.791. Currently, these events relate to the
following:
• the reason for a signaling link (previously in service) going out of service (events
prefixed S7F_)
• a timer expired (prefixed S7T_)