Comtech EF Data SDM-9000 - Manual (Page 84)

Operation SDM-9000 Satellite Modem
4–10 Rev. 4
SDM-9000 "TYPE"
VER: 6.1.1
FUNCTION SELECT
CONFIGURATION
CONFIGURATION
DEMODULATOR
RX-X CODE_RATE RX-IF FREQUENCY DIFF. DECODER RF LOOP BACK
IF LOOP BACK BER THRESHOLD
x = FILTER A, B, C, or D
See table below for code rate
and data rate range.
70.000 MHz
50 to 180 MHz
in 2.5 kHz steps.
ON
OFF
ON
OFF
(TEST MODE CONFIGURATION )
ON
OFF
(TEST MODE CONFIGURATION)
1.0 E-3 to 1.0 E-8
NONE
SWEEP RANGE
0 to 120,000 Hz
RS DECODER
ON
CORRECTION_OFF
OFF
Reed-Solomon option only.
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Key:
Code Rate G.703 ECL/PECL MIL-STD-188
(Mbit/s) (Mbit/s) (Mbit/s)
QPSK 1/2 8.448, 32.064, 34.368 6.000 to 37.000 All code rates:
QPSK 3/4 All other All other 6.000 to 13.000
QPSK 7/8 code rates: code rates:
8PSK 2/3 32.064, 34.368 6.000 to 51.840
8PSK 5/6 44.736, 51.840
16QAM 3/4
16QAM 7/8
Figure 4-4. Configuration Demodulator Menu