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Comtech EF Data CDM-710 Installation And Operation Manual page 178

Broadcast satellite modem

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CDM-710 Satellite Modulator
Remote Control
Command
Parameter
(Instruction
for Command
Type
Code and
Qualifier)
Transmit &
TRC=
69 bytes
Receive
Configuration
Arguments
Description of Arguments
or Response
to Query
Global configuration, in the form:
aaaa.aaaabcc.ccccccdefghhhhhhiii.ijkllll.llllmnn.nnnnnnopqrsssss
stuvv
where:
aaaa.aaaa = Tx Frequency (in MHz)
b = Tx Mode
cc.cccccc = Tx Symbol Rate
d = Tx FEC Type
e = Tx Modulation type
f = Tx FEC Rate
g = Tx Spectrum Inversion
hhhhhh = Tx Gold Code Sequence
iii.i = Tx Power Level
j = Tx Carrier State
k = Tx Alpha Roll-off
llll.llll = Rx Frequency (in MHz)
m = Rx Mode
nn.nnnnnn = Rx Symbol Rate
o = Rx FEC Type
p = Rx Modulation type
q = Rx FEC Rate
x = spare
ssssss = Rx Gold Code Sequence
t = Rx Alpha Roll-off
u = Unit test Mode
vv = Unit Alarm Mask
** Read-only
Response
to
Command
TRC=
TRC?
TRC*
TRC#
same as TFQ
same as TMM
same as TSR
same as TFT **
same as TMD
same as TCR
same as TSI
same as TGS
same as TPL
same as TXO
same as TAR
same as RFQ
same as RMM
same as RSR
same as RFT **
same as RMD
same as RCR
same as RGS
same as RAR
same as TST**
same as MSK
A–16
Revision 9
MN/CDM710.IOM
Query
(Instruction
Response to Query
Code and
Qualifier)
TRC?
TRC=
aaaa.aaaabcc.ccccccdefg
hhhhhhiii.ijkllll.llllmnn.n
nnnnnopqxsssssstuvv
Returns current transmit
and receive
configuration.
Notes:
Unit returns 'x's for Rx
parameters if unit is
modulator.
Unit returns 'x's for Tx
parameters if unit is
demodulator.
If Rx is in DVB-S2
mode, the Rx
Modulation Type and Rx
FEC Rate is ignored
because these are
automatically detected.

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