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SDM-2020 Satellite Demodulator
SDM-2020 DEMOD
VER: X.X.X
RAW BER
Current Data
(Low Limit: based on
performance)
(High Limit: based on
data/code rate)
No Data
RECEIVE LEVEL
-38.3 to -70.0 dBm
(-9.26 to -63.2 dBm)
RF Card dependent
LNB CURRENT
0 to 1000 mA
(in 1mA increments)
(L-Band only)
Notes:
1. A "-" indicates that no fault or
alarm exists.
2. A "+" indicates that a fault
exists, and will cause switching
in a redundant system.
3. A reversed contrast "+"
indicates an active alarm.
Note: Refer to Chapter 1, Specifications for the actual operating input signal level.
Rev. 3
FUNCTION SELECT
MONITOR
CORRECTED BER
Current Corrected BER
(Low Limit: based on
performance)
(High Limit: 1.0 E-12)
No Data
SWEEP
FREQUENCY
-500,000 TO +500,000 Hz
No Data
2047 PATTERN
NOT ENABLED
CURRENT STATUS
NO DATA
LOCKED
(Available with G.703
Key:
ACCESS TO
SUBMENU
Figure 3-8. Monitor Menu
EB/NO
Current Eb/No
(Low Limit: based on
performance)
(High Limit: 16.0 dB)
No Data
SWEEP RANGE
-60,000 to +60,000
No Data
(70/140 MHz)
2047 ERRORS
BUFFER FILL
DISPLAYS BER
NO DATA or SAMPLING
(Available with G.703
Interface.)
Interface.)
CONDITIONAL OR
Parameter Information
OPTION-DEPENDENT
Operation
EB/NO MARGIN
E/b/No MARGIN =
[Eb/No -Eb/No Threshold)
DEMOD SPECTRUM
NORMAL
INVERTED
3–19
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