Comtech EF Data CDM-425, Installation And Operation Manual

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CDM-425 Advanced Satellite Modem
Revision 0
Serial Remote Control 8–22 MN-CDM-425
Parameter
Command
(Instruction
& Qualifier)
Length of
Argument
Description of Arguments
Response to
Command
Query
(Instruction
& Qualifier)
Response to Query
Rx Sub-Mux
Ratio
RMR= 2 bytes,
numeric
Command or Query.
Sets or returns Rx Sub-Mux Ratio (IP/Synchronous Interface) in the form xx, where:
RMR?
RMR=
RMR*
RMR#
RMR? RMR=xx
(see Description of
Arguments)
00=1/9
01=1/8
02=1/7
03=1/6
04=1/5
05=1/4
06=2/7
07=1/3
08=2/5
09=3/7
10=1/2
11=3/5
12=2/3
13=3/4
14=4/5
15=1/1
16=5/4
17=4/3
18=3/2
19=5/3
20=2/1
21=7/3
22=5/2
23=3/1
24=7/2
25=4/1
26=5/1
27=6/1
28=7/1
29=8/1
30=9/1
31=1/59
32=1/39
33=1/19
EXAMPLE: <0/RMR=01 (Selects ratio 1/8)
Rx Spectrum
Invert
RSI= 1 byte,
0 or 1
Command or Query.
Sets or returns Rx Spectrum Invert in the form x, where:
0=Normal
1=Rx Spectrum Invert
EXAMPLE: <0/RSI=0 (selects Normal)
RSI=
RSI?
RSI*
RSI#
RSI? RSI=x
(see Description of
Arguments)
Rx Descrambler RDS= 1 byte,
0 or 1
Command or Query.
Sets or returns Rx Descrambler state in the form x, where:
0=Off
1=Normal
2=IESS-315
EXAMPLE: <0/RDS=1 (Scrambler On)
RDS=
RDS?
RDS*
RDS#
RDS? RDS=x
(see Description of
Arguments)
Rx Demod
Acquisition
Sweep Width
RSW= 3 bytes Command or Query.
Sets or returns Rx ± Acquisition Sweep Range of demodulator, in kHz.
Available range depends on the symbol rate:
RSW=
RSW?
RSW*
RSW#
RSW? RSW=xxx
(see Description of
Arguments)
18ksps to 64ksps:
64ksps to 389ksps:
389ksps to 3000ksps:
>3000ksps:
±1 to the symbol rate (ksps)/2
±1 to the symbol rate (ksps)/2
±1 to the symbol rate (ksps)/2
±1 to the symbol rate (ksps)/2
EXAMPLE: <0/RSW=009 (selects ± 9 kHz)
Rx Clock
Source
RCK= 1 byte,
0 thru 3
Command or Query.
Sets or returns Rx Clock Source in the form x, where:
0=Rx Satellite
1=Tx-Terrestrial
2=Internal(SCT)
3=INSERT (command valid only when Rx framing is Insert or D&I++ and interface is G.703 or set for
D&I loop)
EXAMPLE: <0/RCK=1 (selects Tx-Terrestrial)
RCK=
RCK?
RCK*
RCK#
RCK? RCK=x
(see Description of
Arguments)
Rx Clock Invert RCI= 1 byte,
0 or 1
Command or Query.
Sets or returns Invert Receive Clock, in the form x, where:
0=Normal
1=Inverted
RCI=
RCI?
RCI*
RCI#
RCI? RCI=x
(see Description of
Arguments)