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B.1.4.8 e, Status, B.1.4.9 modulator rate status – Comtech EF Data SDM-650B User Manual

Page 200: B.1.4.10 demodulator rate status

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Remote Control Operation

SDM-650B Satellite Modem

B–24

Rev. 6

B.1.4.8 E

b

/N

0

Status

The E

b

/N

0

status command causes the E

b

/N

0

ratio to be returned. E

b

/N

0

is returned in dB.

Command:

Response:

>add/EBN0_n.ndB”cr””lf”]

Example: Request E

b

/N

0

ratio from modem 2.


Command:

<2/EBN0_”cr”

Response:

>2/EBN0_6.2dB”cr””lf”]

Where: E

b

/N

0

= 6.2 dB.


Notes:

1. E

b

/N

0

limits are lower < 3 2 dB, upper > 9.7 dB.

2. “No Data” is returned if no carrier is detected (decoder not locked).

B.1.4.9 Modulator Rate Status

Command:

Response:

>add/MR_nnn_mmmm.m”cr””lf”]

Where:

nnn = 1/2, 3/4, 7/8, or BP12 (Coder 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.”

B.1.4.10 Demodulator Rate Status

Command:

Response:

>add/DR_nnn_mmmm.m”cr””lf”]

Where:

nnn = 1/2, 3/4, 7/8, or BP12 (Coder 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.”