Comtech EF Data CST-5005 - Manual (Page 94)

Remote Control Operation CST-5005 C-Band Satellite Terminal
A–2 Rev. 1
A.2 Message Structure
The ASCII character format used requires 11 bits/character:
•
1 start bit
•
7 information bits
•
1 parity bit
•
2 stop bits
or:
•
1 start bit
•
8 information bits
•
no parity bit
•
2 stop bits
Messages on the remote link fall into the categories of commands and responses.
Commands are messages which are transmitted to an RFT-505, while responses are
messages returned by an RFT-505 in response to a command.
The general message structure is as follows:
•
Start Character
•
Device Address
•
Command/Response
•
End of Message Character
A.2.1 Start Character
A single character precedes all messages transmitted on the remote link. This character
flags the start of a message. This character is:
•
“<” for commands
•
“>” for responses