Paradise 205486 REV F User Manual
Page 121
Operations Manual, HPA2, Compact Outdoor SSPA
208495 REV C
121
To check the status of SSPA faults and conditions, the Host PC sends the following Request
String:
Byte Position Byte Value (Hex) Description
1
AA
Frame Sync Byte 1
2
55
Frame Sync Byte 2
3
5
Destination Address of Compact Outdoor SSPA
4
A
Source Address of PC sending Request String
5
0
Protocol Version Compatibility Field must always be 0
6
6F
Request ID byte is set by originator, will be echoed back by respondent
7
1
Command “Get request” designator
8
3
Data tag “3” indicates access to SSPA Conditions
9
1
Data address 1 indicates access to the beginning of the Conditions table
10
12
Data length is 18 byte (entire length of Conditions table)
11
95
Arithmetic checksum of bytes 3 to 10