Comtech EF Data SDR-54A - Manual (Page 83)

SDR-54A Satellite Demodulator Revision 4
Remote Control Specification MN/SDR54A.IOM
Receive AIS
(Data Inhibit) Command:
Response:
Status:
Response: <1/RAIS_xxx'cr'
>1/RAIS_xxx'cr''lf']
<1/RAIS_'cr'
>1/RAIS_xxx'cr''lf']
Where: xxx = ON (force all 1s) or OFF (normal data).
Forces the output data to all ones.
Group Link
Address Command:
Response:
Status:
Response: <1/GA_xxx'cr'
>1/GA_xxx'cr''lf']
<1/GA_'cr'
>1/GA_xxx'cr''lf']
Where: xxx = 0 to 255.
Sets the group link address.
Note: A ‘0' indicates ignore all group and global link
messages.
Local
(Individual)
Link Address Command:
Response:
Status:
Response: <1/LA_xxxxx'cr'
>1/LA_xxxxx'cr''lf']
<1/LA_'cr'
>1/LA_xxxxx'cr''lf']
Where: xxxxx = 0 to 65535.
Sets the local link address.
Note: A ‘0' indicates ignore all local, group, and global link
messages.
Demodulator
Spectrum
Rotation Command:
Response:
Status:
Response: <1/DSR_xxx'cr'
>1/DSR_xxx'cr''lf']
<1/DSR_'cr'
>1/DSR_xxx'cr''lf']
Where: xxx = NRM (normal spectrum) or INV (inverted
spectrum).
Sets the spectrum rotation to either normal or inverted.
Set LNB
Power
Monitor
Option Low
Current
Threshold Command:
Response:
Status:
Response: <1/SPL_nnn'cr'
>1/SPL_nnn'cr''lf']
<1/SPL_'cr'
>1/SPL_nnn'cr''lf']
Where: nnn = 50 to 500 mA, in 50 mA steps.
Sets the low current threshold for the LNB fault monitoring.
Current draw less than this value will result in an error being
reported in the demodulator faults.
Note: The lower limit specified must be less than or equal to
the current upper limit (LNB switch must be on).
Set LNB
Power
Monitor
Option High
Current
Threshold Command:
Response:
Status:
Response: <1/SPH_nnn'cr'
>1/SPH_nnn'cr''lf']
<1/SPH_'cr'
>1/SPH_nnn'cr''lf']
Where: nnn = 50 to 500 mA, in 50 mA steps.
Sets the high current threshold for the LNB fault monitoring.
Current draw exceeding this value will result in an error being
reported in the demodulator faults.
Notes:
1. The upper limit specified must be greater than or equal
to the current lower limit.
2. LNB Switch (S3) must be ON.
Demodulator
Type Command:
Response:
Status:
Response: <1/DT_xxxxx'cr'
>1/DT_xxxxx'cr''lf']
<1/DT_'cr'
>1/DT_xxxxx'cr''lf']
Where: xxxxx = INTL (INTELSAT Open Network), EFD
(EFData Closed Network), or SDM51 (SDM-51 compatible).
The demodulator type species the filter to be applied to the
received data.
Differential
Decoder
Enable Command:
Response:
Status:
Response: <1/DDEC_xxx'cr'
>1/DDEC_xxx'cr''lf']
<1/DDEC_'cr'
>1/DDEC_xxx'cr''lf']
Where: xxx = OFF (Differential Decoder Disabled) or ON
(Differential Decoder Enabled).
Enables or disables the differential decoder section of the
Viterbi decoder.
Descrambler
Enable Command:
Response:
Status:
Response: <1/DE_xxxx'cr'
>1/DE_xxxx'cr''lf']
<1/DE_'cr'
>1/DE_xxxx'cr''lf']
Where: xxxx = OFF (Descrambler Disabled) or ON
(Descrambler Enable).
Enables or disables the descrambler section of the Viterbi
decoder.
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