CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Serial Remote Control MN/CDM570L.IOM
13–9
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments
for Command
or Response
to Query
Description of Arguments Response to
Command
Query
(Instruction
Code and
Qualifier)
Response to Query
Tx FEC Code
Rate
TCR= 1 byte, value
of 0 thru 7
Command or Query
Tx Code Rate, where:
0 = Rate 5/16 (Turbo Only)
1 = Rate 21/44 (Turbo Only)
2 = Rate 1/2
3 = Rate 2/3 (8-PSK TCM or 8-QAM only)
4 = Rate 3/4
5 = Rate 7/8
6 = Rate 0.95 (Turbo Only)
7 = Rate 1/1 (Uncoded or No FEC)
Depending on FEC and Modulation type, not all of these
selections will be valid.
Example: TCR=4 (which is Rate 3/4)
TCR=
TCR?
TCR*
TCR#
TCR+
TCR? TCR=x
(see description of
arguments)
Tx Data Rate TDR= 8 bytes Command or Query.
Tx Data rate, in kbps, between 2.4 kbps and 9.98 Mbps
Resolution=1 bps.
Example: TDR=2047.999 (which is 2047.999 kbps)
TDR=
TDR?
TDR*
TDR#
TDR? TDR=xxxx.xxx
(see description of
arguments)
Tx Symbol
Rate
N/A 8 bytes Query only.
Tx Symbol rate, in ksymbols/sec, between 4.8 ksps and 3.00 Msps
Resolution = 1 sps.
Example: TSR=2047.999 (which is 2047.999 ksymbols/sec)
N/A TSR? TSR=xxxx.xxx
(see description of
arguments)
Tx Spectrum
Invert
TSI= 1 byte, value
of 0 or 1
Command or Query.
Tx Spectrum Invert selection, where:
0=Normal,
1=Tx Spectrum Inverted
Example: TSI=0 (which is normal)
TSI=
TSI?
TSI*
TSI#
TSI? TSI=x
(see description of
arguments)
Tx Scrambler TSC= 1 byte, value
of 0, 1 or 2
Command or Query.
Tx Scrambler state, where:
0=Off
1=On (default scrambler type)
2 = On - IESS-315 (Turbo only)
Example: TSC=1 (Scrambler On)
TSC=
TSC?
TSC*
TSC#
TSC? TSC=x
(see description of
arguments)
Tx Power
Level
TPL= 4 bytes Command or Query.
Tx Output power level
CDM-570L: 0 to -40 dBm (minus sign assumed).
CDM-570: 0 to -25 dBm (minus sign assumed).
Example: TPL=13.4
(Command not valid in AUPC mode)
TPL=
TPL?
TPL*
TPL#
TPL?
TPL=xx.x
(see description of
arguments)