Welltech SPCI2S Intel NetStructure SS7 Boards - Manual (Page 53)

SS7 Programmer’s Manual for SPCI2, SPCI4 and CPM8 Issue 2 Page 53
5.3.2 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 (0 .. 7)
src Sending Module ID
dst MVD_TASK_ID (0x10)
rsp_req
used to request a confirmation
hclass 0
status 0
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 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) will indicate success by a status of 0.