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Dialogic DSI SPCI Network Interface Boards User Manual

Page 70

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6 Message Reference

70

Message Format:

MESSAGE HEADER

Field Name

Meaning

type

MVD_MSG_SC_CONNECT (0x7e1f)

id 0

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 2 local_stream

2 2 local_slot

4 2 mode

6 2 source_stream

8 2 source_slot

10 2

dest_stream

12 2

dest_slot

14 2

pattern

Description:
This message is sent to the DSI SPCI Board to control the CT bus switch.

Several different actions can be performed depending on the value of the
mode parameter, these are CT bus to local bus connection, local bus to CT
bus connection, duplex connection between CT bus, and local bus and duplex

connection between local bus timeslots.

The confirmation message (if requested) indicates success by status of zero.

Parameter Description:
The following table depicts which parameters are required for each of the

seven different modes. (* = parameter is required)