Comtech EF Data CDM-550T - Manual (Page 135)

CDM-550T Satellite Modem Revision 3
Remote Control MN/CDM550T.IOM
15–19
Parameter
Type
Command
(Instruction
Code and
qualifier)
Arguments for
Command or
Response to
Query
Description of arguments
(note that all arguments are ASCII numeric codes, that is,
ASCII codes between 48 and 57)
Response to Command
(target to controller)
Query
(Instruction
Code and
qualifier)
Response to
query
(target to
controller)
Extended Serial
Number ESN= 9 bytes
numerical
Command portion is FACTORY USE ONLY.
Used to set or Query the unit’s 9 digit serial number.
Unit returns its S/N, in the form xxxxxxxxx.
Example: ESN=123451765 (S/W Version > 1.16)
ESN= (message ok) ESN? ESN=xxxxxxxxx
(see description
for details of
arguments)