Comtech EF Data DD2401 User Manual

Page 56

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User Interfaces

DD2401 Satellite Demodulator

4-

32

MN-DD2401 - Rev. G


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Polarity

Operating Mode

Alarm 1 Mask









Alarm 2 Mask








Alarm 3 Mask









Alarm 4 Mask









Common Alarm 1
Mask








Reserved

BER Measure



0 = Normal, 1 = 2047 Test

Bit 0 = Receive Processor Fault
Bit 1 = Signal Lock Fault
Bit 2 = Receive Satellite AIS Fault
Bit 3 = Rx AGC Level Fault
Bit 4 = Reed-Solomon Sync Fault
Bit 5 = Reed-Solomon Excessive Errors Fault
Bit 6 = Reed-Solomon Uncorrectable Word Fault
Bit 7 = Receive Forced Alarm
(0 = Mask, 1 = Allow)

Bit 0 = Buffer Underflow
Bit 1 = Buffer Overflow
Bit 2 = Buffer Under 10%
Bit 3 = Buffer Over 90%
Bit 4 = Receive FPGA Configuration Fault
Bit 5 = Rx LNB Fault, LBST Only
Bit 6 - 7 = Spares
(0 = Mask, 1 = Allow)

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 = Mask, 1 = Allow)

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 = Mask, 1 = Allow)

Bit 0 = -12 V Alarm
Bit 1 = +12 V Alarm
Bit 2 = +5 V alarm
Bit 3 = Temperature
Bit 4 = Interface FPGA Fault
Bit 5 = Battery Fault
Bit 6 = RAM/ROM Fault
Bit 7 = Spare
(0 = Mask, 1 = Allow)

Set to Zero

Unsigned Binary Number of Bits in Measurement Period in Powers of

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