Comtech EF Data CDD-880 - Manual (Page 104)

CDD-880 Multi Receiver Router Revision 1
Serial-based Remote Product Management MN-CDD880
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.