Specifications

SDM-300L3 Satellite Modem Revision 0
Remote Control Operation MN/SDM300L3.IOM
A–8
Descramble
Enable
Command:
Response:
Status:
Response:
<add/DE_xxx'cr'
>add/DE_xxx'cr''lf']
<add/DE_'cr'
>add/DE_xxx'cr''lf']
Where: xxx = ON or OFF.
Differential
Decoder
Enable
Command:
Response:
Status:
Response:
<add/DDEC_xxx'cr'
>add/DDEC_xxx'cr''lf']
<add/DDEC_'cr'
>add/DDEC_xxx'cr''lf']
Where: xxx = ON or OFF.
IF Loopback
TX L-Band
modem
Command:
Response:
Status:
Response:
<add/IFL_xxx'cr'
>add/IFL_xxx'cr''lf']
<add/IFL_'cr'
>add/IFL_xxx'cr''lf']
Where: xxx = ON or OFF.
Sweep
Center
Frequency
Command:
Response:
Status:
Response:
<add/SCF_snnnnn'cr'
>add/SCF_snnnnn'cr''lf']
<add/SCF_'cr'
>add/SCF_snnnnn'cr''lf']
Where: snnnnn = -75000 to +75000, in 1 Hz steps.
Sweep Width
Range
Command:
Response:
Status:
Response:
<add/SWR_nnnnnn'cr'
>add/SWR_nnnnnn'cr''lf']
<add/SWR_'cr'
>add/SWR_nnnnnn'cr''lf']
Where: nnnnnn = 0 to 150000, in 1 Hz steps.
Sweep
Reacquisi-
tion
Command:
Response:
Status:
Response:
<add/SR_xxx'cr'
>add/SR_xxx'cr''lf']
<add/SR_'cr'
>add/SR_xxx'cr''lf']
Where: xxx = 0 to 999 (number of seconds).
Bit Error Rate
Threshold
Command:
Response:
Status:
Response:
<add/BERT_xxxx'cr'
>add/BERT_xxxx'cr''lf']
<add/BERT_'cr'
>add/BERT_xxxx'cr''lf']
Where: xxxx = NONE, or 1E-n, where n = 3, 4, 5, 6, 7,
or 8 (exponent of threshold).
Demodulator
Type
Command:
Response:
Status:
Response:
<add/DT_xxxx'cr'
>add/DT_xxxx'cr''lf']
<add/DT_'cr'
>add/DT_xxxx'cr''lf']
Where: xxxx = INTL (INTELSAT OPEN NETWORK),
EFD (EF DATA CLOSED NETWORK), CSC
(COMSTREAM CLOSED NETWORK), FDC
(FAIRCHILD CLOSED NETWORK).
Demodulator
Decoder
Type
Command:
Response:
Status:
Response:
<add/DDT_xxx'cr'
>add/DDT_xxx'cr''lf']
<add/DDT_'cr'
>add/DDT_xxx'cr''lf']
Where: xxx = VIT (K-7 VITERBI ENCODER), SEQ
(SEQUENTIAL ENCODER) or TUR (TURBO).
Demodulator
Spectrum
Rotation
Command:
Response:
Status:
Response:
<add/DSR_xxx'cr'
>add/DSR_xxx'cr''lf']
<add/DSR_'cr'
>add/DSR_xxx'cr''lf']
Where: xxx = NRM (normal spectrum), INV (inverted
spectrum).
Reed-
Solomon
Decoder
Enable
Command:
Response:
Status:
Response:
<add/RSDE_xxx'cr'
>add/RSDE_xxx'cr'lf']
<add/RSDE_'cr'
>add/RSDE_xxx'cr'lf']
Where: xxx = ON, OFF, or CORR_OFF.
Receive
BPSK Data
Ordering
Command:
Response:
Status:
Response:
<add/RDA_xxx'cr'
>add/RDA_xxx'cr''lf']
<add/RDA_xxx'cr'
>add/RDA_xxx'cr''lf']
Where: xxx = NRM (STANDARD), INV (NON-
STANDARD).
Reed-
Solomon
Interleave
Value
Command:
Response:
Status:
Response:
<add/RRSI_xx'cr'
>add/RRSI_xx'cr''lf']
<add/RRSI_'cr'
>add/RRSI_xx'cr''lf']
Where: xx = 4, 8, or 16.
RX 8PSK 2/3
IESS-310
Operation
Command:
Response:
Status:
Response:
<add/R310_xxx'cr'
>add/R310_xxx'cr''lf']
<add/R310_'cr'
>add/R310_xxx'cr''lf']
Where: xxx = ON or OFF.
LNB Power Command:
Response:
Status:
Response:
<add/LNB_xxx'cr'
>add/LNB_xxx'cr''lf']
<add/LNB_'cr'
>add/LNB_xxx'cr''lf']
Where: xxx = ON or OFF.