Comtech EF Data SLM-3650 Installation And Operation Manual page 123

SLM-3650 Satellite Modem
Operation
3.4.10.1 Function Select: Modulator: Faults
IF SYNTHESIZER
DATA CLOCK SYN
I CHANNEL
Q CHANNEL
AGC LEVEL
MODEM REF ACT
MODEM REF PLL
MODULE
CONFIGURATION
3.4.10.2 Function Select: Demodulator: Faults
CARRIER DETECT
IF SYNTHESIZER
I CHANNEL
Q CHANNEL
BER THRESHOLD
MODULE
CONFIGURATION
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Modulator IF synthesizer fault.
Transmit clock synthesizer fault. Indicates the internal Voltage Controlled
Oscillator (VCO) has not locked to the incoming data clock.
I channel data activity fault.
Q channel data activity fault.
TX IF AGC level fault.
MODEM REF activity alarm.
MODEM REF PLL not locked.
Modulator module fault.
Modulator configuration fault.
Carrier detect fault. Indicates the decoder is not locked.
Demodulator IF synthesizer fault. Indicates the IF synthesizer is not locked.
I channel activity fault. Indicates a loss of activity in the I channel of the
quadrature demodulator.
Q channel activity fault. Indicates a loss of activity in the Q channel of the
quadrature demodulator.
Secondary alarm result of the BER threshold set in the DEMOD Configuration
menu.
Demodulator/decoder module fault.
Demodulator/decoder configuration fault.
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MN/SLM3650.IOM