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3 differential decoder enable, 4 rf loop-back (on/off), 5 if loop-back (on/off) – Comtech EF Data SDM-309B User Manual

Page 184: 6 bit error rate threshold

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SDM-309B Satellite Modem

Remote Control

MN/U-SDM309B Rev. #

B-B–7

4.2.2.3 Select Demodulator Rate Variable

*Variable Rate Option Only*

Command:

(nnn = 1/2,3/4, or 7/8 Coder rate)
(mmmm.m = 48.0 to 4080.0 Data rate)

Response:

>add/SDRV_nnn_mmmm.m”cr””lf”]

Status Only:

see DR command.

4.2.3 Differential Decoder Enable

Command:

(xxx = ON or OFF)

Response:

>add/DDEC_xxx”cr”lf”]

Status Only:

Response:

>add/DDEC_xxx”cr”lf”]

4.2.4 RF Loop-back (ON/OFF)

Command:

(xxx = ON or OFF)

Response:

>add/RFL_xxx”cr””lf”]

Status Only:

Response:

>add/RFL_xxx”cr””lf”]

4.2.5 IF Loop-back (ON/OFF)

Command:

(xxx = ON or OFF)

Response:

>add/IFL_xxx”cr””lf”]

Status Only:

Response:

>add/IFL_xxx”cr””lf”]

4.2.6 Bit Error Rate Threshold

Command:

(xxxx = NONE, or 1E-n.)

Response:

>add/BERT_xxxx”cr””lf”]

Where n = 3,4,5,6,7 or 8 (exponent of threshold).

Status Only:

Response:

>add/BERT_xxxx”cr””lf”]