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Dialogic
®
DSI SS7MD Programmer’s Manual Issue 3
•
loop_mode
The diagnostic
loopback
mode. The following table shows the permitted values and their meanings.
•
prbs_gen
The Pseudo Random Bit Sequence (PRBS) generation mode. The following table shows the permitted
values and their meanings.
6.3.3
LIU_MSG_R_CONFIG – LIU Read Configuration Request
Synopsis
Message sent by the application to read back the current LIU configuration from the board.
Format
Description
This message is sent to the board to read back the current operating configuration of the Line Interface Unit
(LIU). The user should always request a confirmation message. The confirmation message indicates success
with a
status
value of 0 and contains the current configuration parameters in the parameter area of the
message.
Value
Description
0
Do not change diagnostic
loopback
mode
1
Disabled - remove any diagnostic loop
2
Payload loopback
3
Remote loopback
4
Local loopback
Value
Description
0
Do not change
PRBS generation
mode
1
Disabled - remove any PRBS generation
3
Generate PRBS pattern QRSS 20
MESSAGE HEADER
Field Name
Meaning
type
LIU_MSG_R_CONFIG (0x5e37)
id
liu_id (in the range 0 to one less than the number of LIUs)
src
Sending module ID
dst
MVD_module_ID
rsp_req
Used to request a confirmation.
hclass
0
status
0
err_info
0
len
40
PARAMETER AREA
Offset
Size
Name
0
40
Parameter area formatted in the same manner as the
LIU_MSG_CONFIG
message.
All fields should be set to 0.
The confirmation message contains the board configuration details.
The user should set the fields to 0 and the module writes the current
configuration parameters in the confirmation message.
