Comtech EF Data SNM-1000 User Manual
Page 155
SNM-1000 Node Control Modem
Revision 3
Remote Control Operation
MN/SNM1000.IOM
A–7
IF Loopback
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
Sweep Center
Frequency
Command:
Response:
Status:
Response:
Where: snnnnn = -35000 to +35000, in 1 Hz
steps.
Note: In RX Continuous mode only.
Sweep Width Range
Command:
Response:
Status:
Response:
Where: nnnnn = 0 to 70000, in 1 Hz steps.
Note: In RX Continuous mode only.
Sweep Reacquisition
Command:
Response:
Status:
Response:
Where: xxx = 0 to 999 (number of seconds).
Demodulator
Spectrum Rotation
Command:
Response:
Status:
Response:
Where: xxx = NRM (normal spectrum), INV
(inverted spectrum).
Reed-Solomon
Decoder Enable
Command:
Response:
Status:
Response:
Where: xxx = ON, OFF, or CORR_OFF.
Bit Error Rate
Threshold
Command:
Response:
Status:
Response:
Where: xxxx = None or 1E-n (where n = 3, 4, 5,
6, 7, or 8 [exponent of threshold]).
Demodulator Type
Command:
Response:
Status:
Response:
Where:
In RX Continuous mode,
xxxx = INTL (INTELSAT Open Network),
EFD (Comtech EF Data Closed Network),
CSC (Comstream Closed Network), or FDC
(Fairchild Closed Network).
Demodulator Decoder
Type
Command:
Response:
Status:
Response:
Where:
In RX Continuous mode,
xxx = VIT (K-7 Viterbi Encoder)
SEQ (Sequential Encoder)
TUR (Turbo)
Reed-Solomon
Interleave Value
Command:
Response:
Status:
Response:
Where: xx = 4, 8, or 16.
RX 8PSK 2/3
IESS-310 Operation
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.