Dialogic® DSI SPCI Network Interface Boards Programmer's Manual Issue 5

6.3.2LIU 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:

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Dialogic DSI SPCI Network Interface Boards manual LIU Control Request, Parameter Description Aisgen

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