Packet structure, A.2.1 p, A.2.1.1 s – Comtech EF Data CSAT-6070 User Manual
Page 77
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5 to 25 Watt C-Band Transceiver
Revision 0
Remote Control
MN/CSAT607025.IOM
A.2.1 P
ACKET
S
TRUCTURE
Table A-3. Master-to-Slave:
Start of
Packet
Device
Address
Address
Delimiter
Instruction
Code
Code
Qualifier
Optional
Arguments
End of
Packet
Character
<
/
= or ?
Carriage
Return
ASCII
Code
60
47
61 or 63
13
#
Characters
1
4
1
3
1
n
1
Example: <0135/UAT=12.25{CR}
Table A-4. Slave-to-Master:
Start of
Packet
Device
Address
Address
Delimiter
Instruction
Code
Code
Qualifier
Optional
Arguments
End of Packet
Character
>
/
=, ?, !, or *
Carriage Return,
Line Feed
ASCII
Code
62
47
61, 63, 33
or 42
13, 10
#
Characters
1 4 1
3 1
From 0 to
n
2
Example: >0135/UAT=07.75{CR}{LF}
A.2.1.1 S
TART
O
F
P
ACKET
Master to Slave: This is the character: < = (ASCII code 61)
Master to Slave: This is the character: > = (ASCII code 62)
Because this is used to provide a reliable indication of the start of packet, these two characters
may not appear anywhere else within the body of the message.
A–3