Comtech EF Data SDM-100A User Manual
Page 62
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Operation
SDM-100A Satellite Modem
3–28
Rev.
0
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.
SDM-100 "TYPE"
VER: 14.7.4
FUNCTION SELECT
FAULTS/ALARMS
MODULATOR
DEMODULATOR
COMMON
IF SYNTHESIZER
DATA CLOCK SYN
I CHANNEL
Q CHANNEL
AGC LEVEL
MODULE
See notes.
CARRIER DETECT
IF SYNTHESIZER
I CHANNEL
Q CHANNEL
DESCRAMBLER
BER THRESHOLD
MODULE
See notes.
BATTERY/CLOCK
-12 VOLT SUPPLY
+12 VOLT SUPPLY
+5 VOLT SUPPLY
CONTROLLER
INTERFACE MODULE
See notes.
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Key:
TX INTERFACE
RX INTERFACE
TX CLK ACTIVITY
TX AUDIO CLIP
BUFFER CLK ACT
BUFFER UNDERFLOW
BUFFER OVERFLOW
RX AUDIO CLIP
DEMUX LOCK
REMOTE OFF HOOK
Figure 3-8. Faults/Alarms (SDM-100 Operation)