Specifications

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DSI SS7HD Network Interface Boards Programmer's Manual Issue 11
83
4.3.9 MVD_MSG_SC_CONNECT - CT Bus Connect Request
Synopsis
Message sent to the board to control the switch path through the CT Bus switch.
Note: This message provides an alternative approach for controlling the switching through the CT
Bus switch allowing connections to the CT Bus to be utilized only as required, rather than
being set up at initialization time.
Format
MESSAGE HEADER
Field Name
Meaning
type
MVD_MSG_SC_CONNECT (0x7e1f)
id
0
src
Sending module ID
dst
MVD_module_ID
rsp_req
Used to request a confirmation.
hclass
0
status
0
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 board to control the CT Bus switch. Several different
actions can be performed depending on the value of the mode parameter. These
include:
• CT Bus to local bus connection
• local bus to CT Bus connection
• duplex connection between CT Bus and local bus
• duplex connection between local bus timeslots
The confirmation message (if requested) indicates success with a status value of 0.