Comtech EF Data CDM-840 - Manual (Page 158)

CDM-840 Remote Router Revision 2
Serial-based Remote Product Management MN-CDM840
7–12
Parameter
Type
Command
(Instruction
Code
& Qualifier)
Number of
Arguments for
Command or
Response to Query
Description of Arguments
(Note that all arguments are ASCII numeric codes from 48 and 57)
Response to
Command
(Target to
Controller)
Query
(Instruction
Code &
Qualifier)
Response to Query
(Target to Controller)
Tx
MODCOD
TMC= 2 bytes Command or Query.
Sets or returns Tx Modulation in the form xx, where:
0=BPSK 0.488
1=QPSK 0.533
2=QPSK 0.631
3=QPSK 0.706
4=QPSK 0.803
5=8-QAM 0.642
6=8-QAM 0.711
7=8-QAM 0.780
8=16-QAM 0.731
9=16-QAM 0.780
10=16-QAM 0.829
11=16-QAM 0.853
12=reserved (auto)
All other codes are invalid.
Example: <1/TMC=6’cr’
TMC=
TMC?
TMC*
TMC#
TMC? TMC=xx
(see Description of
Arguments)
Tx
Spectrum
Invert
TSI= 1 byte Command or Query.
Sets or returns Tx Spectrum invert in the form x, where:
0=normal
1=inverted
Example: <1/TSI =0’cr’
TSI=
TSI?
TSI*
TSI#
TSI? TSI=x
(see Description of
Arguments)
Tx Rolloff TAR= 1 byte Command or Query.
Sets or returns Tx Rolloff slope in the form x, where:
0=20%
1=25%
2=35%
Example: <1/TAR=2’cr’
TAR =
TAR?
TAR *
TAR #
TAR? TAR =x
(see Description of
Arguments)
VMS
Frequency
N/A 9 bytes Query only.
Returns VMS Frequency in the form xxxx.xxxx, where:
Range = 950.0000 to 2150.0000 MHz
Resolution=100Hz
Example: <1/VFQ?’cr’
VFQ =
VFQ?
VFQ*
VFQ? VFQ =xxxx.xxxx
(see Description of
Arguments)