Radyne DMD2401 LB Installation And Operation Manual page 112

DMD2401 LB/ST L-Band Satellite Modem and ODU Driver
<1> Insert Alarms
<1> Insert Back
Alarm
<1> AGC Voltage
Opcode: <2406h>
<1> Latched Alarm 1
<1> Latched Alarm 2
<1> Latched Alarm 3
TM075 - Rev. 1.3
Bit 3 = IBS Alarm if BER < 10
Bit 4 = IBS Prompt Alarm
Bit 5 = IBS Service Alarm
Bits 6 - 7 = Spares
Bit 0 = Frame Lock Fault
Bit 1 = Multiframe Lock Fault
Bit 2 = CRC Lock Fault. Valid only in T1-ESF and E1 - CRC
enabled
Bit 3 = T1 Yellow Alarm Received
Bit 4 = E1 FAS Alarm Received
Bit 5 = E1 MFAS Alarm Received
Bit 6 = E1 CRC Alarm Received
Bit 7 = CRC Calculation Fault
Bit 0 = Backward Alarm Received from Satellite
Bits 2 – 7 = Spares
In Hex, decimal point implied.
Query a Demodulator's Latched Alarms
Query response
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 5 = Reed-Solomon Uncorrectable Word Fault
Bit 7 = Receive Forced Alarm
(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
User Interfaces
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4-75