Specifications

4 Message Reference
104
4.5.4 MVD_MSG_LIU_STATUS - LIU Status Indication
Synopsis
Message issued by the board to provide notification of changes in LIU status.
Format
MESSAGE HEADER
Field Name
Meaning
type
MVD_MSG_LIU_STATUS (0x0e01)
id
liu_id (in the range 0 to one less than the number of LIUs)
src
MVD_module_ID
dst
MGMT_module_ID
rsp_req
0
hclass
0
status
liu_status (see below)
err_info
Reserved for future use.
len
0
Description
This message is issued by the board for every change of state on the trunk interface.
The MVD_MSG_LIU_STATUS message header uses the following parameters:
liu_id
The identity of the Line Interface Unit (LIU) to which the status indication applies.
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
22
LIUS_FRAME_SLIP
Frame Slip
25
LIUS_BER5_OCRD
BER > 1 in 100,000