Start Of Packet - Comtech EF Data LBC-4000 Installation And Operation Manual

LBC-4000 L-Band Up/Down Converter System
Serial-based Remote Product Management

Start of Packet

<
ASCII code 60
(1 character)
Packet Example:
Start of Packet
>
ASCII code 62
(1 character)
Packet Example:
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.
Controller-to-Target (Issued Command or Query)
Target Address Address Delimiter
0000 (default) /
ASCII code 47
(4 characters) (1 character)
<0000/RSH=30[cr]
Target-to-Controller (Response to Command or Query)
Target Address Address Delimiter
0000 (default) /
ASCII code 47
(4 characters) (1 character)
>0000/BBU=107[cr][lf]
Instruction Code Code Qualifier
= or ?
ASCII codes 61 or 63
(3 characters) (1 character)
Instruction Code Code Qualifier
= or ?
ASCII codes 61 or 63
(3 characters) (1 character)
6–4
Revision 4
MN/LBC4000.IOM
Optional Arguments End of Packet
Carriage Return
ASCII code 13
(n characters) (1 character)
Optional Arguments End of Packet
Carriage Return
ASCII code 13
(n characters) (1 character)