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SDM-2020 Satellite Demodulator Revision 4
Remote Control Commands MN/SDM2020D.IOM
A
–19
Non-G.703
Interface
Command:
Response:
<add/IRES_'cr'
>add/IRES_xxxxxxxxxxx’cr’’If’]
Where: xxxxxxxxxxx = Not Enabled (refer to Interface
Configuration Command, Interface Read Error Select.),
Locked (RX locked to transmitter), No Data (RX unlocked
to transmitter).
E
b
/N
0
Status
Command:
Response:
<add/EBN0_'cr'
>add/EBN0_xnn.ndB'cr''lf']
Where:
x = < or > (data modifier to indicate that the E
b
/N
0
is
less than or greater than the returned value).
nn.n = 1.0 to 99.9 (Eb/N0 value).
Notes:
1. The 'x' (< or >) parameter is only returned if the
E
b/N0 has exceeded the computational resolution
of the system.
2. 'No Data' is returned if the E
b/N0 cannot be
calculated.
3. 'Sampling' is returned if not enough data is
currently available to calculate the E
b/N0.
E
b
/N
0
Margin
Status
Command:
Response:
<add/EBNM_'cr'
>add/EBNM_xnn.ndB'cr''lf']
Where:
x = < - > (data modifier to indicate that the E
b
/N
0
threshold is less than 0 ).
nn.n = -16.0 to +16.0 (EB/NO threshold)
Notes:
1. “NO DATA” is returned if the E
b/N0 has cannot be
calculated or if the EB/NO has the computational
resolution of the system.
2. 'Sampling' is returned if not enough data is
currently available to calculate the E
b/N0.
Receive
Signal Level
Status
Command:
Response:
<add/RSL_'cr'
>add/RSL_xsnn.ndBm'cr''lf']
Where:
x = < or > (data modifier to indicate that the receive
signal level is less than or greater than the returned
value).
s = + or - (receive signal level sign, ±).
nn.n = 0.0 to 99.9 (receive signal level magnitude).
Notes:
1. The 'x' (< or >) parameter is only returned if the
level has exceeded the computational resolution of
the system.
2. 'No Data' is returned if the level cannot be
calculated.
3. 'Sampling' is returned if not enough data is
currently available to calculate the level.
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