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

Page 291

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C5/K1/K3 Integrated Satellite Terminal System

Remote Control Operation

Rev. 0

B–7

B.3.2 Demodulator

Demodulator
Band

Command:
Response:

Status:
Response:

>add/DB_x'cr''lf']

>add/DB_x'cr''lf']

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:
>add/DF_n.nnnnnnn'cr''lf']

>add/DF_n.nnnnnnn'cr''lf']

Ku-Band:
>add/DF_nn.nnnnnnn'cr''lf']

>add/DF_nn.nnnnnnn'cr''lf']

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:

>add/ADRx_nnnn_mmmm.mmm'cr''lf']

>add/ADRx_nnnn_mmmm.mmm'cr''lf']

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:

>add/SDRx_'cr''lf']

See DR command.

Where: x = A, B, C, D, or V (Preset designator).

Demodulator
Rate Variable
Assignment &
Selection

Command:
Response:

Status:

>add/SDRV_nnnn_mmmm.mmm'cr''lf']

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:

>add/DE_xxx'cr''lf']

>add/DE_xxx'cr''lf']

Where: xxx = ON or OFF.

Differential
Decoder
Enable

Command:
Response:

Status:
Response:

>add/DDEC_xxx'cr''lf']

>add/DDEC_xxx'cr''lf']

Where: xxx = ON or OFF.

RF Loopback

Command:
Response:

Status:
Response:

>add/RFL_xxx'cr''lf']

>add/RFL_xxx'cr''lf']

Where: xxx = ON or OFF.

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