6 Message Reference
6.7.5MVD_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 |
|
|
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11 | LIUS_IN_SYNC | Frame Sync OK |
|
|
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12 | LIUS_AIS | AIS Detected |
|
|
|
13 | LIUS_AIS_CLRD | AIS Cleared |
|
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14 | LIUS_REM_ALARM | Remote Alarm |
|
|
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15 | LIUS_REM_ALM_CLRD | Remote Alarm Cleared |
|
|
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16 | LIUS_IN_MFSYNC | In Multiframe Sync |
|
|
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17 | LIUS_MFSYNC_LOSS | Multiframe Sync Loss |
|
|
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20 | LIUS_PCM_LOSS | PCM Loss |
|
|
|
21 | LIUS_PCM_OK | PCM Restored |
|
|
|
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