4 packet structure, 1 start of packet – Comtech EF Data LPOD-R User Manual
Page 115
LPOD-R Outdoor Amplifier / Block Up Converter (BUC)
MN-LPODR
Optional Serial-based Remote Product Management
Revision 1
5–5
5.3.4
Packet Structure
Controller-to-Target
Start of Packet
Target Address
Address Delimiter
Instruction Code
Code Qualifier
Optional Arguments
End of Packet
<
ASCII code 60
(1 character)
0-9
ASCII codes 48-57
(4 characters)
/
ASCII code 47
(1 character)
A-Z, a-z
ASCII codes 65-90,
97-122
(3 characters)
= or ?
ASCII codes
61 or 63
(1 character)
(n characters)
Carriage Return
ASCII code 13
(1 character)
Example: <0412/MUT=1{CR}
Target-to-Controller
Start of Packet
Target Address
Address Delimiter
Instruction Code
Code Qualifier
Optional Arguments
End of Packet
>
ASCII code 62
(1 character)
0-9
ASCII codes 48-57
(4 characters)
/
ASCII code 47
(1 character)
A-Z, a-z
ASCII codes 65-90,
97-122
(3 characters)
=, ?, !, or *
ASCII codes
61,63,33 or 42
(1 character)
(From 0 to n
characters)
Carriage Return,
Line Feed
ASCII codes
13,10
(2 characters)
Example: >0412/MUT=1{CR}{LF}
5.3.4.1 Start of Packet
These characters are used to provide a reliable indication of the start of packet. They must not appear anywhere else in the body of the
message:
• Controller-to-Target: < (ASCII code 60)
• Target-to-Controller: > (ASCII code 62)