System Description

System Description and Installation Manual for MXS ICD10004-01
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6. Comm-A Report Message: Type 0x85
The Comm-A Report Message is sent when Comm-A messages are received, provided this report was previously enabled
through the Target Request Message Comm-A report setting. The MXS buffers up to 23 interrogations in a response
message. Each Comm-A packet occupies 11 bytes in the message. The total payload message length will be 11 times the
number of Comm-A packets included.
An overview of the Comm-A Report Message is shown in Table 0-36Table 6-38. Table 0-37Table 6-39 provides the
detailed message definition.
Table 0-3638 Comm-A Report Message Payload Structure Overview
Payload Index
Packet Number
(p) where
0 > p ≤ 23
Field Position
(f) where
0 ≤ f ≤ 11
Byte Name Number bytes
00
PACKET 1
0 CA10 1
01 1 CA11 1
… … … …
10 10 CA110 1
11
PACKET 2
0 CA20 1
12 1 CA21 1
… … … …
21 10 CA210 1
…
PACKET p
… … …
(p * 11) + f f
CApf
1
… … … …