4 RU SSPA Chassis Operations Manual
201627 REV X
95
SSPA response string:
Byte
Count
Bytes Description
1
170
Frame Sync Byte 1
2
85
Frame Sync Byte 2
3
10
Destination Address of PC request originator
4
5
Source address of the respondent
5
0
Protocol Version Compatibility Field must be always 0
6
111
Echo of the Originator's Request ID byte
7
3
Command field for "Get" type of the response
8
0
System Settings tag indicates which data from respondent included in response
frame
9 0
Data Address field omitted and replaced with Error status code. 0 in this field
indicates absense of errors
10
28
Data Length field indicates how many data bytes of the "System Settings"
requested from SSPA
11
1
Data field 1 contains data element 1 of the "System Settings"
12
0
Data field 2 contains data element 2 of the "System Settings"
13
0
Data field 3 contains data element 3 of the "System Settings"
14
3
Data field 4 contains data element 4 of the "System Settings"
15
0
Data field 5 contains data element 5 of the "System Settings"
16
0
Data field 6 contains data element 6 of the "System Settings"
17
0
Data field 7 contains data element 7 of the "System Settings"
18
5
Data field 8 contains data element 8 of the "System Settings"
19
0
Data field 9 contains data element 9 of the "System Settings"
20
0
Data field 10 contains data element 10 of the "System Settings"
21
0
Data field 11 contains data element 11 of the "System Settings"
22
0
Data field 12 contains data element 12 of the "System Settings"
23
0
Data field 13 contains data element 13 of the "System Settings"
24
0
Data field 14 contains data element 14 of the "System Settings"
25
0
Data field 15 contains data element 15 of the "System Settings"
26
0
Data field 16 contains data element 16 of the "System Settings"
27
1
Data field 17 contains data element 17 of the "System Settings"
28
0
Data field 18 contains data element 18 of the "System Settings"
29
0
Data field 19 contains data element 19 of the "System Settings"
30
0
Data field 20 contains data element 20 of the "System Settings"
31
0
Data field 21 contains data element 21 of the "System Settings"
32
0
Data field 22 contains data element 22 of the "System Settings"
33
0
Data field 23 contains data element 23 of the "System Settings"
34
0
Data field 24 contains data element 24 of the "System Settings"
35
0
Data field 25 contains data element 25 of the "System Settings"
36
0
Data field 26 contains data element 26 of the "System Settings"
37
0
Data field 27 contains data element 27 of the "System Settings"
38
40
Data field 28 contains data element 28 of the "System Settings"
39 207
Arithmetic
checksum
of bytes number 3 through 38
Summary of Contents for 4 RU Chassis
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