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Comtech EF Data DD2401 User Manual

Page 62

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User Interfaces

DD2401 Satellite Demodulator

4-

38

MN-DD2401 - Rev. G

<1>

<1>

<1>

<1>


Day

Hour

Minute

Second


0 – 30

0 – 23

0 – 59

0 – 59


Opcode: <240Ah>

Query Module Current Alarms

Query response

*<1>









*<1>









<1>

<1>









<1>








<1>


Modulator Alarm 1
Major Alarm






Modulator Alarm 2
Minor Alarm








Reserved

Demodulator
Alarm 1








Demodulator
Alarm 2







Demodulator
Alarm 3

Bit 0 = Transmit Processor Fault
Bit 1 = Transmit Output Power Level Fault
Bit 2 = Transmit Oversample PLL Lock Fault
Bit 3 = Composite Clock PLL Lock Fault
Bit 4 = IF Synthesizer Lock Fault
Bit 5 = Transmit FPGA Configuration Alarm Fault
Bit 6 = Transmit Forced Alarm
Bit 7 = External Reference PLL Lock Fault
(0 = Pass, 1 = Fail)

Bit 0 = Terrestrial Clock Activity Detect Fault
Bit 1 = Internal Clock Activity Detect Fault
Bit 2 = Tx Sat Clock Activity Detect Fault
Bit 3 = Tx Data Activity Detect Fault
Bit 4 = Terrestrial AIS (Tx Data AIS Detect Fault)
Bit 5 = Transmit Ext BNC Clock Activity Detect Fault
Bit 6 = Transmit Reed-Solomon Fault
Bit 7 = Tx Calibration Fault
(0 = Pass, 1 = Fail)

Ignored

Bit 0 = Receive Processor Fault
Bit 1 = Signal Lock Fault
Bit 2 = Receive Satellite AIS Fault
Bit 3 = Rx AGC/Input Level Fault
Bit 4 = Reed-Solomon Sync Fault
Bit 5 = Reed-Solomon Excessive Errors Fault
Bit 6 = Reed-Solomon Uncorrectable Word Fault
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