Comtech EF Data DD2401 VME - Manual (Page 61)

DD2401 VME L-Band Demodulator Card Installation & Operational Manual User Interfaces
MN-VME2401 – Rev. B 4-37
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Demodulator
Alarm 2
Demodulator
Alarm 3
Demodulator
Alarm 4
Reserved
Common Alarm
Reserved
Drop Alarm Status
Bit 7 = External Reference PLL Lock Fault
(0 = Pass, 1 = Fail)
Bit 0 = Buffer Underflow
Bit 1 = Buffer Overflow
Bit 2 = Buffer Under 10%
Bit 3 = Buffer Over 90%
Bit 4 = Receive FPGA Fault
Bit 5 = Rx LNB Fault, LBST Only
Bits 6 - 7 = Spares
(0 = Pass, 1 = Fail)
Bit 0 = IF Synthesizer Lock Detect Fault
Bit 1 = Rx Oversample PLL Lock Detect Fault
Bit 2 = Buffer Clock PLL Lock Detect Fault
Bit 3 = Viterbi Decoder Lock Fault
Bit 4 = Sequential Decoder Lock Fault
Bit 5 = Rx 2047 Test Pattern Lock Fault
Bit 6 = External Reference PLL Lock Fault
Bit 7 = Frame Sync Fault
(0 = Pass, 1 = Fail)
Bit 0 = Buffer Clock Activity Detect Fault
Bit 1 = External BNC Activity Detect Fault
Bit 2 = Rx Satellite Clock Activity Detect Fault
Bit 3 = External Reference PLL Activity Fault
Bit 4 = High Stability Activity Detect Fault
Bit 5 = High Stability PLL Fault
Bit 6 = Eb/No Threshold Fault
Bit 7 = Spare
(0 = Pass, 1 = Fail)
Ignored
Bit 0 = -12 V Alarm
Bit 1 = +12 V Alarm
Bit 2 = +5 V Alarm
Bit 3 = Temperature Fault
Bit 4 = Interface FPGA Fault
Bit 5 = Battery Fault
Bit 6 = RAM/ROM Fault
Bit 7 = Spare
(0 = Pass, 1 = Fail)
Ignored
Bit 0 = Terrestrial Frame Lock Fault (all modes)
Bit 1 = Terrestrial Multiframe Lock Fault (PCM-30 and PCM-30C
only)
Bit 2 = Terrestrial CRC Lock Fault (PCM-30C and PCM-31C only)
Bit 3 = Terrestrial Yellow Alarm Received (T1 only)
Bit 4 = Terrestrial FAS Alarm Received (E1 only)
Bit 5 = Terrestrial MFAS Alarm Received (PCM-30 and PCM-30C
only)
Bit 6 = Loss of Terrestrial Signaling (reported by DSP)
Bit 7 = Spare
(0 = Pass, 1 = Fail)