Comtech EF Data DMD2401/DMD2401L - Manual (Page 96)

DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem User Interfaces
TM065 - Rev. 3.3 4-57
<1>
Drop Backward
Alarm Status
30C only)
Bit 6 = Loss of T4errestrial Signaling (reported by DSP)
Bit 7 = Spare
Bit 0 = Backward Alarm Received from Drop Terrestrial
Bits 2 – 7 = Spares
Opcode: <2405h>
Query a Modulator’s Latched Alarms
Query Response
<1>
<1>
<1>
Latched Alarm 1
Major Alarm
Latched Alarm 2
Minor Alarm
Latched Common
Alarm
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 BUC Fault, LBST Only
(0 = Pass, 1 = Fail)
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)
Opcode: <2408h>
Query a Modulator’s Current Alarms
Query Response
<1>
<1>
Alarm 1 Major
Alarm
Alarm 2 Minor
Alarm
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