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Comtech EF Data SDM-100A User Manual

Page 159

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SDM-100A Satellite Modem

Remote Control Operation

Rev. 0

A–7

Sweep
Center
Frequency

Command:
Response:

Status:
Response:

>add/SCF_snnnnn'cr''lf']

>add/SCF_snnnnn'cr''lf']

Where: snnnnn = -35000 to +35000, in 1 Hz steps.

Sweep
Width
Range

Command:
Response:

Status:
Response:

>add/SWR_nnnnn'cr''lf']

>add/SWR_nnnnn'cr''lf']

Where: nnnnn = 0 to 70000, in 1 Hz steps.

Bit Error
Rate
Threshold

Command:
Response:

Status:
Response:

>add/BERT_xxxx'cr''lf']

>add/BERT_xxxx'cr''lf']

Where: xxxx = NONE, or 1E

-n

(where n = 3, 4, 5, 6, 7, or 8).


Demod
Type

Command:
Response:

Status:
Response:

>add/DT_xxxx'cr''lf']

>add/DT_xxxx'cr''lf']

Where: xxxx = INTL (INTELSAT OPEN NETWORK), EFD
(EF DATA CLOSED NETWORK), CSC (COMSTREAM
CLOSED NETWORK), or FDC (FAIRCHILD CLOSED
NETWORK).

Demod
Decoder
Type

Command:
Response:

Status:
Response:

>add/DDT_xxx'cr''lf']

>add/DDT_xxx'cr''lf']

Where: xxx = VIT (K-7 VITERBI ENCODER) or SEQ
(SEQUENTIAL ENCODER).

Receive
BPSK Data
Ordering

Command:
Response:

Status:
Response:

>add/RDA_xxx'cr''lf']

>add/RDA_xxx'cr''lf']

Where: xxx = NRM (STANDARD) or INV (NON-
STANDARD).

Demod
Spectrum
Rotation

Command:
Response:

Status:
Response:

>add/DSR_xxxx'cr''lf']

>add/DSR_xxxx'cr''lf']

Where: xxxx = NRM (normal spectrum) or INV (inverted
spectrum).

Reed-
Solomon
Decoder
Enable

Command:
Response:

Status:
Response:

>add/RSDE_xxx'cr'lf']

>add/RSDE_xxx'cr'lf']

Where: xxx = ON, OFF, or CORR_OFF