Comtech EF Data CDM-625A - Page 339

CDM-625A Advanced Satellite Modem MN-CDM625A
Serial-based Remote Product Management Revision 4
8–25
Parameter
Command
(Instruction
& Qualifier)
Length of
Argument
Description of Arguments
Response to
Command
Query
(Instruction &
Qualifier)
Response to Query
Receive
Backward
Alarms Enable
RBA=
4 bytes, each 0
or 1
Command or Query. (IDR parameter)
Sets or returns Receive Backward Alarms enable in the form xxxx, where:
0=Disable
1=External trigger Enable
EXAMPLE: <0/RBA=0101
RBA=
RBA?
RBA*
RBA#
RBA?
RBA=xxxx
(see Description of
Arguments)
Receive ESC
Type
RET=
1 byte, 0 or 1
Command or Query. (IDR parameter)
Sets or queries IDR ESC Type in the form x, where:
0=64k data channel
1=2 Audio channels
RET=
RET?
RET*
RET#
RET?
RET=x
(see Description of
Arguments)
Insert Timeslot
ITS=
3 bytes
Command or Query. (D&I/D&I++ only)
(Note different format between command and query.)
Command sets Insert Timeslot in the form xxy, where:
xx=Channel 01 through 24
y=timeslot: 0-9, A=10, B=11, C=12, D=13,…V=31
ITS=
ITS?
ITS*
ITS#
ITS?
ITS=yyyyyyyyyyyyyyy
yyyyyyyyy
indicating all 24 Insert
timeslots values
associated with the 24
Rx Satellite channels.
ReCenter
Buffer
RCB=
None
Command only.
This command takes no arguments. Forces the modem to recenter the receive Plesiochronous/Doppler buffer.
EXAMPLE: <0/RCB=
RCB=
RCB?
RCB*
RCB#
N/A
N/A
RX LO
Frequency
RLO=
6 bytes
Command or Query.
Sets or returns LNB Rx LO frequency information in the form xxxxxs, where:
xxxxx=LO frequency: 03000 through 65000 MHz, or 00000=Off
s=sign for the MIX (+ or –)(See Note 1)
NOTES:
1) Negative mix induces a spectral inversion.
2) For additional information see Chapter 6 for LO, MIX, and Spectrum Settings.
3) Rx Terminal Frequency=RX LO ± modem RFQ (see below)
RLO=
RLO?
RLO*
RLO#
RLO?
RLO=xxxxxs
(see Description of
Arguments)
Rx Terminal
Frequency
N/A
10 bytes
Query only.
Returns Rx Terminal Frequency (the frequency, in MHz, being received from the satellite) in the form xxxxx.xxxx.
Resolution=100 Hz
NOTES:
1) For additional information see Chapter 6 for LO, MIX, and Spectrum Settings.
2) Returns 00000.0000 if LNB LO is zero
EXAMPLE: <0/RTF? >0/RTF=11650.2249 (MHz)
N/A
RTF?
RTF=xxxxx.xxxx
(see Description of
Arguments)
Receive
Equalizer
Enable and Rx
Alpha
REE=
1 byte
Command or Query.
Sets or returns Rx Equalizer and Rx Alpha in the form x, where:
0=Rx Equalizer Disabled and Rx Alpha=0.35 (DEFAULT)
1=Rx Equalizer Enabled and Rx Alpha=0.35
2=Rx Equalizer Disabled and Rx Alpha=0.12
3=Rx Equalizer Enabled and Rx Alpha=0.12
REE=
REE?
REE*
REE#
REE?
REE=x
(see Description of
Arguments)
Rx Info Rate
N/A
9 bytes, numeric
Query only.
Allows remote access to the Aggregate Rx Information Rate in the form ddddd.ddd
RIR?
RIR=
RIR*
RIR#
RIR?
RIR=ddddd.ddd
(see Description of
Arguments)