Comtech-ef-data DD240XR Rev Е Instrukcja Użytkownika Strona 62

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User Interfaces DD240XR High-Speed Digital Demodulator
4-42 MN-DD240XR Rev. E
Opcode: <2406h> Query Latched alarms and
Opcode: <2409h> Query Current Alarms
Response
<1>
<1>
<1>
<1>
<1>
Major Alarms 1
Major Alarms 2
Minor Alarms 1
Minor Alarms 2
Common Faults
Bit 0 = loss of signal lock
Bit 1 = loss of synthesizer PLL lock
Bit 2 = input level alarm
Bit 3 = reserved for POST alarm
Bit 4 = FPGA Configuration alarm
Bit 5 = reserved for deframer FIFO fault
Bit 6 = reserved for deframer PLL lock fault
Bit 7 = carrier subsystem comm fault
0 = no alarm, 1 = alarm
Bit 0 = demod subsystem comm Fault
Bit 1 = loss of clock activity
Bit 2-7 = reserved
0 = no alarm, 1 = alarm
Bit 0 = reserved for loss of buffer clock
Bit 1 = loss of Rx data activity
Bit 2 = loss of demodulation lock
Bit 3 = loss of inner FEC lock
Bit 4 = loss of outer FEC lock
Bit 5 = loss of dvb frame lock
Bit 6 = Eb/No alarm
Bit 7 = reserved
0 = no alarm, 1 = alarm
Bit 0 = terrestrial buffer underflow
Bit 1 = terrestrial buffer overflow
Bit 2 = terrestrial buffer near empty
Bit 3 = terrestrial buffer near full
Bit 4 = exc clock activity
Bit 5 = loss of exc pll lock
Bit 6 = Ethernet Dest ID
Bit 7 = Ethernet Link Status
0 = no alarm, 1 = alarm
Bit 0 = -12 V alarm
Bit 1 = +12 V alarm
Bit 2 = +5 V alarm
Bit 3 = +24 V alarm
Bit 4 = reserved for temperature alarm
Bit 5 = LNB DC Supply
Bit 6 = Demod HW Fault
Bit 7 = reserved
0 = no alarm, 1 = alarm
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