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Comtech EF Data SDM-650B User Manual

Page 320

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Trojan Interface

SDM-650B Satellite Modem

G–24

Rev. 5

G.6.4.2.2.1 Demodulator Filter Rate Assignment

Command:

Response:

>add/ADRx_nnn_mmmm.m”cr””lf”]

Status Only: Response:

>add/ADRx_nnn_mmmm.m”cr””lf”]

Where:

nnn = 1/2, 3/4, 7/8, or BP12 (Decoder rate).
mmmm.m = 9.6 to 4080.0 (Data rate).


Note: The parameters “nnn_mmmm.m” may be replaced by “N/A” to indicate “no
assignment.”

Example:

Command:

Response:

>add/ADRx_N/A”cr””lf”]

G.6.4.2.2.2 Select Demodulator Rate

Command:

Response:

>add/SDRx_”cr””lf”]

Status Only: (See the DR command.)

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


Note: If the modem is commanded to a filter (rate) which is not assigned (N/A), the error 2
message will be returned.

G.6.4.2.2.3 Select Demodulator Rate Variable

Note: This command is only applicable for the variable rate option.

Command:

Response:

>add/SDRV_nnn_mmmm.m”cr””lf”]

Status Only: (See the DR command.)

Where:

nnn = 1/2, 3/4, 7/8, or BP12 (Coder rate).
mmmm.m = 9.6 to 4080.0 (Data rate).