Demodulator configuration commands, A.6 demodulator configuration commands – Comtech EF Data SDM-300A User Manual
Page 400
SDM-300A Satellite Modem
Revision 6
Remote Control Operation
MN/SLM3650.IOM
A–8
A.6
Demodulator Configuration Commands
Set
Demodulator
Frequency
Command:
Response:
Status:
Response:
<add/DF_nnn.nnnnnn'cr'
>add/DF_nnn.nnnnnn'cr''lf']
<add/DF_'cr'
>add/DF_nnn.nnnnnn'cr''lf']
Where: nnn.nnnnnn = Frequency in MHz, 50.000000 to
180.000000 in 1 Hz steps.
Demodulator
Rate Preset
Assignment
(Sets the
pre-assigned
rates)
Command:
Response:
Status:
Response:
<add/ADRx_nnnn_mmmm.mmm'cr'
>add/ADRx_nnnn_mmmm.mmm'cr''lf']
<add/ADRx_'cr'
>add/ADRx_nnnn_mmmm.mmm'cr''lf']
Where:
x = A, B, C, D, or V [preset designator].
For Non-Turbo nnnn = 1/2 (QPSK 1/2), [coder rate], 3/4
(QPSK 3/4), 7/8 (QPSK 7/8), BP12 (BPSK 1/2), OQ12
(OQPSK 1/2), OQ34 (OQPSK 3/4), and OQ78 (OQPSK
7/8), OQSK (OQPSK 1/1), BPSK (BPSK 1/1), QPSK (QPSK
1/1), and 8P23 (8PSK 2/3)
For Turbo nnnn= 8P34 (8PSK 3/4), 2144 (BPSK 21/44),
B516 (BPSK 5/16), 1/2 (QPSK 1/2), OQ12 (OQPSK 1/2),
3/4 (QPSK 3/4), and OQ34 (OQPSK 3/4)
mmmm.mmm = Data rate in kHz.
Demodulator
Rate Preset
Selection
(Selects the
pre-assigned
rates)
Command:
Response:
Status:
<add/SDRx_'cr'
>add/SDRx_'cr''lf']
See DR command.
Where: x = A, B, C, D, or V (preset designator).
Demodulator
Rate
Variable
Assignment
& Selection
(Selects and
sets the
variable rate)
Command:
Response:
Status:
<add/SDRV_nnnn_mmmm.mmm'cr'
>add/SDRV_nnnn_mmmm.mmm'cr''lf']
See DR command.
Where:
For Non-Turbo nnnn = 1/2 (QPSK 1/2), [coder rate], 3/4
(QPSK 3/4), 7/8 (QPSK 7/8), BP12 (BPSK 1/2), OQ12
(OQPSK 1/2), OQ34 (OQPSK 3/4), and OQ78 (OQPSK
7/8), OQSK (OQPSK 1/1), BPSK (BPSK 1/1), QPSK (QPSK
1/1), and 8P23 (8PSK 2/3)
For Turbo nnnn= 8P34 (8PSK 3/4), 2144 (BPSK 21/44),
B516 (BPSK 5/16), 1/2 (QPSK 1/2), OQ12 (OQPSK 1/2),
3/4 (QPSK 3/4), and OQ34 (OQPSK 3/4)
mmmm.mmm = Data rate in kbps