Demodulator, B.3.2 demodulator – Comtech EF Data C5 User Manual
Page 291

C5/K1/K3 Integrated Satellite Terminal System
Remote Control Operation
Rev. 0
B–7
B.3.2 Demodulator
Demodulator
Band
Command:
Response:
Status:
Response:
Where: x = A (BAND A), B (BAND B), C (BAND C), D
(BAND D).
Note: For Ku-Band only.
Set
Demodulator
Frequency
Command:
Response:
Status:
Response:
Command:
Response:
Status:
Response:
C-Band:
Ku-Band:
C-Band:
Where: n.nnnnnnn = Frequency in GHz, 3.7000000
to 4.2000000 (100 Hz steps)
Ku-Band:
BAND A: Where: nn.nnnnnnn = Frequency in GHz,
11.7000000 to 12.2000000 (100 Hz steps)
BAND B: Where: nn.nnnnnnn = Frequency in GHz,
10.9500000 to 11.4500000 (100 Hz steps)
BAND C: Where: nn.nnnnnnn = Frequency in GHz,
11.2000000 to 11.7000000 (100 Hz steps)
BAND D: Where: nn.nnnnnnn = Frequency in GHz,
12.2500000 to 12.7500000 (100 Hz steps)
Demodulator
Rate Preset
Assignment
Command:
Response:
Status:
Response:
Where:
x = A, B, C, D, or V [Preset designator].
nnnn = 1/2 (QPSK 1/2), [Decoder rate], 3/4 (QPSK
3/4), 7/8 (QPSK 7/8), BP12 (BPSK 1/2).
mmmm.mmm = Data rate in kHz.
Demodulator
Rate Preset
Selection
Command:
Response:
Status:
See DR command.
Where: x = A, B, C, D, or V (Preset designator).
Demodulator
Rate Variable
Assignment &
Selection
Command:
Response:
Status:
See DR command.
Where:
nnnn = 1/2 (QPSK 1/2), [Decoder rate], 3/4 (QPSK
3/4), 7/8 (QPSK 7/8), BP12 (BPSK 1/2).
mmmm.mmm = Data rate in kHz.
Descramble
Enable
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
Differential
Decoder
Enable
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
RF Loopback
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.