Comtech EF Data CDM-760 - Manual (Page 247)

Serial-based Remote Product Management Revision 2
CDM-760 Advanced High-Speed Trunking Modem MN-CDM760
8–13
Parameter
Type
Command
(Instruction
& Qualifier)
Number of
Arguments
Description of Arguments
Response to
Command
Query
(Instruction &
Qualifier)
Response to Query
Tx Alpha
Rolloff
TAR = 1 byte, value
of 0 thru 5
Command or Query.
Sets or returns Tx Alpha Rolloff in the form x, where:
0 = 20%
1 = 25%
2 = 35%
3 = 5% (only available when NET>0)
4 = 10% (only available when NET>0)
5 = 15% (only available when NET>0)
EXAMPLE: <0/TAR=0 (selects a Tx Alpha Rolloff of 20%)
TAR=
TAR?
TAR*
TAR#
TAR? TAR=x
Tx Gold Code
Sequence
Index
TGS = 6 bytes Command or Query.
Sets or returns Tx Gold Code Sequence Index in the form xxxxxx, where:
Gold Code Sequence Index = 000000 to 262141
EXAMPLE: <0/TGS=189063
TGS=
TGS?
TGS*
TGS#
TGS? TGS=xxxxxx
Tx Pilot TPI = 1 byte, value
of 0 or 1
Command or Query.
Sets or returns Tx Pilot in the form x, where:
0 = Off
1 = On
NOTES:
1) CEFD recommends that you use Pilots when running any 16-APSK, 32-APSK, or 64-APSK ModCod.
2) Pilots are recommended when the symbol rate is below 5000 ksps.
EXAMPLE: <0/TPI=0 (selects Pilot Off)
TPI=
TPI?
TPI*
TPI#
TPI? TPI=x
Tx Power
Level
TPL = 5 bytes Command or Query.
Sets or returns Tx Output power level (dBm), in 0.1 dB steps, in the form sxx.x, where:
s = sign (+ or -)
xx.x = power level (dBm) from 0 to -25 dBm (70/140 MHz) or 0 to -40 dBm (L-Band)
EXAMPLE: <0/TPL=-13.4
TPL=
TPL?
TPL*
TPL#
TPL? TPL=sxx.x
(see Description of
Arguments)
Tx Carrier
State
TXO = 1 byte, value
of 0 or 1
Command or Query.
Sets or returns Tx Carrier State in the form x, where:
0 = OFF due to front panel or remote control command
1 = ON
EXAMPLE: <0/TXO=1 (Tx Carrier ON)
TXO=
TXO?
TXO*
TXO#
TXO? TXO=x
(see Description of
Arguments)