Comtech EF Data SDR-54A - Manual (Page 80)

SDR-54A Satellite Demodulator Revision 4
Remote Control Specification MN/SDR54A.IOM
Messages on the remote link fall into the categories of commands and responses.
Commands are messages which are transmitted to a satellite modem, while responses are
messages returned by a satellite modem in response to a command.
Note: All commands must be in uppercase.
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
A.2.2 Device Address
The only valid address that will be recognized and accepted by the SDR-54A is 1.
A–2