Comtech EF Data CDM-710 Installation And Operation Manual page 277

CDM-710/L Broadcast Satellite Modem
Serial Interface Operation
Controller-to-Target
Instruction Code & Qualifier
Parameter
Type
Command Query
Transmit &
Receive
Configuration
(continued)
Unit Test TST= TST?
Mode
Number of
Arguments for
Command or
(Note that all arguments are ASCII numeric codes from 48 and 57)
Response to
Query
NOTES:
1) ** indicates Read-only.
2) Unit returns 'x's for Rx parameters if unit is Modulator Only
3) Unit returns 'x's for Tx parameters if unit is Demodulator Only.
If Rx is in DVB-S2 mode, the Rx Modulation Type and FEC rate are ignored
because these are automatically detected.
1 byte Command or Query.
Sets or returns the Test Mode in the form x where:
0=Normal Mode (no test)
1=IF Loop
2=I/O Loop
3=RF Loop
4=Tx CW
5=Tx Alternating 1,0 Pattern
COMMAND EXAMPLE: <0001/TST=4{CR} (sets Tx CW test mode)
9–69
Description of Arguments
MN/CDM710.IOM
Revision 12
Target-to-Controller
(See Description of Arguments)
Response to Response to
Command Query
TST= TST=x
TST?
TST*
TST#