E.4.3 command structure – Comtech EF Data CDM-570 User Manual
Page 389
CDM-570/570L Satellite Modem with Optional IP Module
Revision 12
Appendix E
MN/CDM570L.IOM
E–3
All messages from Controller-to-Target require a response as indicated. This will be either to return data that has been requested by the
Controller, or to acknowledge reception of an instruction to change the configuration of the Target.
E.4.3 Command Structure
Controller-to-Target
Start of Packet
Target Address
Address
De-limiter
Instruction Code
Row Index
(Optional)
Code Qualifier
Optional Arguments
End of Packet
<
ASCII code 60
(1 character)
(1 to 4 characters)
/
ASCII code 47
(1 character)
(3 characters)
1 to 3 characters
contained within [ and
] brackets.
= or ?
ASCII codes
61 or 63
(1 character)
(n characters)
Carriage Return and
Line Feed
ASCII code 13 and
code 10
[ 0x0D 0x0A ]
(2 characters)
Example: <0135/TFQ=1949.2345{CR}
Example: <1/rte[1]=rt1|239.022.033.044.32|1|***************|0011|0|0|0|0|3
Target-to-Controller
Start of Packet
Target Address
Address
De-limiter
Instruction Code
Code Qualifier
Optional Arguments
End of Packet
>
ASCII code 62
(1 character)
(4 characters)
/
ASCII code 47
(1 character)
(3 characters)
=, ?, !, *, # or ~
ASCII code 61, 63, 33, 42,
35, 126
(1 character)
(n characters)
Carriage Return, Line
Feed
ASCII code 13,10
(2 characters)
Example: >0654/RSW=32{CR}{LF}
Example: