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DSI SPCI Network Interface Boards Programmer's Manual Issue 5
67
6.3.8 Fixed Data Output Request
Synopsis:
Message sent to the DSI SPCI Board in order to generate a fixed pattern on a
specific T1/E1 Line Interface Unit timeslot.
Message Format:
MESSAGE HEADER
Field Name Meaning
type MVD_MSG_SC_FIXDATA (0x7e15)
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
6
PARAMETER AREA
Offset Size Name
0 2 liu_id
2 2 timeslot
4 2 pattern
Description:
This message is sent to the DSI SPCI Board in order to generate a fixed
pattern on a specific timeslot of an T1/E1 Line Interface Unit. It is typically
issued at initialization and whenever a call terminates to generate an IDLE
pattern towards the network.
Parameter Description:
liu_id
The identifier of the T1/E1 Line Interface Unit in the range 0 to one less than
the number of LIUs fitted.
Note: For the SPCI2S, valid values for the LIU identifiers are 2 and 3.