2 liu control request – Dialogic DSI SPCI Network Interface Boards User Manual
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Dialogic
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DSI SPCI Network Interface Boards Programmer's Manual Issue 5
57
6.3.2
LIU Control Request
Synopsis:
Message sent by the application to dynamically control operation for a Line
Interface Unit (LIU). Allows setting of outgoing alarms and diagnostic
loopbacks.
Message Format:
MESSAGE HEADER
Field Name
Meaning
type
LIU_MSG_CONTROL (0x7e35)
id
liu_id
src
Sending Module ID
dst
MVD_TASK_ID (0x10)
rsp_req
used to request a confirmation
hclass
0
status
Status Response (if confirmation requested)
err_info
0
len
16
PARAMETER AREA
Offset Size
Name
0 1 ais_gen
1 1 rai_gen
2 1 loop_mode
3
13
Reserved for future use, must be set to zero.
Description:
This message is sent to the DSI SPCI Board to perform dynamic changes to
the operation of the Line Interface Unit. It allows the user to control
generation of AIS (Blue alarm) and RAI (Yellow alarm) and to activate various
diagnostic loopback modes.
The confirmation message (if requested) indicates success by status of zero.
Parameter Description:
ais_gen
The mode used to generate the Alarm Indication Signal (Blue Alarm) taken
from the following table: