Comtech EF Data SDM-300L - Manual (Page 58)

SDM-300L Satellite Modem Operation
Rev. 2 3–17
SDM300L "TYPE"
VER: X.X.X
FUNCTION SELECT
FAULTS/ALARMS
MODULATOR DEMODULATOR TX INTERFACE RX INTERFACE
COMMON BACKWARD ALARMS
IF SYNTHESIZER
DATA CLOCK SYN
I CHANNEL
Q CHANNEL
AGC LEVEL
MODEM REF ACT
MODEM REF PLL
MODULE
CONFIGURATION
CARRIER DETECT
IF SYNTHESIZER
I CHANNEL
Q CHANNEL
BER THRESHOLD
MODULE
CONFIGURATION
LNB
TX DROP
TX DATA/AIS
TX CLK PLL
TX CLK ACTIVITY
TX AUDIO 1 CLIP
TX AUDIO 2 CLIP
CONFIGURATION
BUFFER UNDERFLOW
BUFFER OVERFLOW
RX DATA/AIS
FRAME BER
BACKWARD ALARM
BUFFER CLK PLL
BUFFER CLK ACT
DEMUX LOCK
RX 2047 LOCK
BUFFER FULL
RX INSERT
RX AUDIO 1 CLIP
RX AUDIO 2 CLIP
CONFIGURATION
BATTERY/CLOCK
-12 VOLT SUPPLY
+12 VOLT SUPPLY
+ 5 VOLT SUPPLY
SELF TEST
CONTROLLER
INTERFACE MODULE
BW ALARM RX #4
BW ALARM RX #3
BW ALARM RX #2
BW ALARM RX #1
BW ALARM TX #4
BW ALARM TX #3
BW ALARM TX #2
BW ALARM TX #1
IDR 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.
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Key:
ODU
CURRENT AND VOLTAGE
TX/RX L-Band only
Figure 3-13. Faults/Alarms Menu