Comtech EF Data CDM-840 - Manual (Page 157)

CDM-840 Remote Router Revision 2
Serial-based Remote Product Management MN-CDM840
7–11
7.3.2 Transmit (Tx) Parameters Commands and Queries
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
Frequency
TFQ 9 bytes Command or Query.
Sets or returns Tx Frequency in the form xxxx.xxxx , where:
Range = 950.0000 to 2150.0000 MHz (L-Band)
Resolution=100Hz
Example: <1/TFQ=0950.9872’cr’
TFQ=
TFQ?
TFQ *
TFQ#
TFQ? TFQ =xxxx.xxxx
(see Description of
Arguments)
Tx Data
Rate
N/A 10 bytes Query only.
Returns Tx Data Rate in the form dddddd.ddd, where:
dddddd.ddd = Tx Data Rate in kbps, from 16 kbps to 16.00 Mbps
Resolution=1 bps
Example: <1/TDR?’cr’
Note: The corresponding data rate will be automatically updated as per the
CCM MODCOD or the MODCOD currently being received.
TDR =
TDR?
TDR *
TDR? TDR=xxxxxx.xxx
(see Description of
Arguments)
Tx Symbol
Rate
TSR= 10 bytes Command or Query.
Sets or returns Tx Symbol Rate in the form dddddd.ddd, where:
dddddd.ddd = Tx Symbol Rate in ksps, from 16ksps to 4.5Msps
Example: <1/TSR=002047.999’cr’
TSR=
TSR?
TSR*
TSR#
TSR? TSR=dddddd.ddd
(see Description of
Arguments)
Tx Carrier
State
TXO= 1 byte Command or Query.
Sets or returns Tx Carrier State in the form x, where:
0=Off
1=On
Example: <1/TXO=1’cr’
TXO=
TXO?
TXO*
TXO#
TXO? TXO=x
(see Description of
Arguments)
Tx Power
Level
TPL= 4 bytes Command or Query.
Sets or returns Tx Power Level in the form sxx.x, where:
s = sign [– (negative) or + (positive)]
xx.x = power value
Tx Output power level for 950 to 2150MHz range is from 0 to -40 dBm.
Example: <1/TPL=-13.4’cr’
TPL=
TPL?
TPL*
TPL#
TPL? TPL=sxx.x
(see Description of
Arguments)