Comtech EF Data CDM-750 Installation And Operation Manual page 218

CDM-750 Advanced High-Speed Trunking Modem
Appendix D
Command
Parameter Number of
(Instruction
Type Arguments
& Qualifier)
Test Mode TST= 1 byte,
Description of Arguments
Command or Query.
Unit Test Mode, where:
0=Normal Mode (no test)
1=Tx CW
2=Dual Side Band (Tx Alternating 1,0 Pattern)
3=Single Side Band
4=IQ PN Sequence
5=RF Loopback (auto configures Rx to match Tx)
6=IF Loopback
7=Digital Loopback
8=I/O Loopback
Example: TST=5 (RF Loopback)
D–22
Query
Response to
(Instruction &
Command
Qualifier)
TST= TST? TST=x
TST? (see Description of
Arguments)
TST*
TST#
Revision 1
MN-CDM750
Response to Query