Specifications

4 Message Reference
40
4.3.1 LIU_MSG_CONFIG - LIU Configuration Request
Synopsis
Message sent by the application to establish the operating mode for a Line Interface
Unit (LIU).
Note: When using the s7_mgt protocol configuration utility, this message is generated by s7_mgt
as a result of the LIU_CONFIG command. It therefore need not be generated by the user.
Format
MESSAGE HEADER
Field Name
Meaning
type
LIU_MSG_CONFIG (0x7e34)
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
1
liu_type
1
1
line_code
2
1
frame_format
3
1
crc_mode
4
1
build_out
5
6
Reserved. Must be set to 0.
11
1
ais_gen
12
6
Reserved. Must be set to 0.
18
1
sensitivity
19
2
clk_options
21
19
Reserved. Must be set to 0.
Description
This message is sent to the board to configure the operating mode of a Line Interface
Unit (LIU). All configuration parameters must be supplied in the message, that is, it is
not possible to modify individual operating parameters in isolation. On receipt of the
message, the board first verifies that the fitted hardware options support the
requested operating mode and then initializes (or reinitializes) the LIU.
The confirmation message (if requested) indicates success with a status value of 0.