Figure 3-8. Faults/Alarms (Sdm-100 Operation) - Comtech EF Data SDM-100A Installation And Operation Manual

Operation
SDM-100 "TYPE"
VER: 14.7.4
MODULATOR
IF SYNTHESIZER
DATA CLOCK SYN
I CHANNEL
Q CHANNEL
AGC LEVEL
MODULE
See notes.
COMMON
BATTERY/CLOCK
-12 VOLT SUPPLY
+12 VOLT SUPPLY
+5 VOLT SUPPLY
CONTROLLER
INTERFACE MODULE
See notes.
3–28
FUNCTION SELECT
FAULTS/ALARMS
DEMODULATOR
CARRIER DETECT
IF SYNTHESIZER
I CHANNEL
Q CHANNEL
DESCRAMBLER
BER THRESHOLD
MODULE
See notes.

Figure 3-8. Faults/Alarms (SDM-100 Operation)

TX INTERFACE
TX CLK ACTIVITY
TX AUDIO CLIP
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.
Key:
ACCESS TO CONDITIONAL OR
SUBMENU OPTION-DEPENDENT
SDM-100A Satellite Modem
RX INTERFACE
BUFFER CLK ACT
BUFFER UNDERFLOW
BUFFER OVERFLOW
RX AUDIO CLIP
DEMUX LOCK
REMOTE OFF HOOK
Parameter Information
Rev. 0