Comtech EF Data CDM-800, Installation And Operation Manual

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CDM-800 Gateway Router Revision 1
Serial-based Remote Product Management MN-CDM800
6–4
Controller-to-Target (Issued Command or Query)
Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet
<
ASCII code 60
(1 character)
0000 (default)
(4 characters)
/
ASCII code 47
(1 character) (3 characters)
= or ?
ASCII codes 61 or 63
(1 character) (n characters)
Carriage Return
ASCII code 13
(1 character)
Packet Example: <0000/RSH=30[cr]
Target-to-Controller (Response to Command or Query)
Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet
>
ASCII code 62
(1 character)
0000 (default)
(4 characters)
/
ASCII code 47
(1 character) (3 characters)
= or ?
ASCII codes 61 or 63
(1 character) (n characters)
Carriage Return
ASCII code 13
(1 character)
Packet Example: >0000/BBU=107[cr][lf]
Detailed description of the packet components follow.
6.2.2.1 Start of Packet
•
Controller ‐ to ‐ Target: This is the character ‘ < ’ (ASCII code 60).
•
Target ‐ to ‐ Controller: This is the character ‘ > ’ (ASCII code 62).
The ‘ < ’ and ‘ > ’ characters indicate the start of packet. They may not appear anywhere else within the body of the message.