Comtech EF Data DMD20 - Manual (Page 40)

DMD20/DMD50/DMD2050/DMD2050E/DMD1050/OM20 Remote Protocol Remote Operations
MN-DMDREMOTEOP Revision 9 1–30
<1> Latched Alarm 2 Bit 0 = Terrestrial Clock Activity Detect
Bit 1 = Internal Clock Activity Detect
Bit 2 = Tx Sat Clock Activity Detect
Bit 3 = Tx Data Activity Detect
Bit 4 = Terrestrial AIS. Tx Data AIS Detect
Bit 5 = Tx Clock Fallback
Bit 6 = DVB Frame Lock Fault
Bit 7 = TPC Conflict Check
0 = Not Latched, 1 = Latched
<1> Latched Alarm 4 Bit 0 = LBST BUC DC Current Alarm
Bit 1 = LBST BUC DC Voltage Alarm
Bit 2 = Ethernet WAN Alarm
Bit 3 = LBST BUC PLL Alarm
Bit 4 = LBST BUC Over Temperature Alarm
Bit 5 = LBST BUC Summary Alarm
Bit 6 = LBST BUC Output Enable Alarm
Bit 7 = LBST BUC Communications Alarm
0 = Not Latched, 1 = Latched
Opcode: <2408h>
Query a Modulator's Current Alarms
Query Response (7 Bytes)
<1> Alarm 1 Bit 0 = Transmit FPGA/Processor Fault, 1 = Fail
Bit 1 = Drop DSP, 1 = Fail
Bit 2 = Transmit Symbol Clock PLL Lock, 1 = Lock
Bit 3 = Reserved
Bit 4 = IF/L-Band Synthesizer Lock, 1 = Lock
Bits 5 & 6 = Reserved
Bit 7 = Mod Summary Fault, 1 = Fail
<1> Alarm 2 Bit 0 = Terrestrial Clock Activity Detect, 1 = Activity
Bit 1 = Internal Clock Activity Detect, 1 = Activity
Bit 2 = Tx Sat Clock Activity Detect, 1 = Activity
Bit 3 = Tx Data Activity Detect, 1 = Activity
Bit 4 = Terrestrial AIS. Tx Data AIS Detect, 1 = AIS Fail
Bit 5 = Tx Clock Fallback, 1 = Clock Fallback
Bit 6 = DVB Frame Lock Fault, 1 = Fail
Bit 7 = TPC Conflict Check, 1 = Fail
<1> Drop Status Fault Bit 0 = Frame lock fault, 1 = Fail
Bit 1 = Multiframe lock Fault. Valid in E1 PCM-30 and
PCM-30C, 1 = Fail
Bit 2 = CRC lock fault. Valid in T1ESF, and E1 CRC
enabled, 1 = Fail
Bits 3 – 7 = Reserved
<1> Common Alarm 1 Bit 0 = -12V Alarm, 1 = Fail
Bit 1 = +12V Alarm, 1 = Fail
Bit 2 = +5V Alarm, 1 = Fail
Bits 3 – 5 = Reserved
Bit 6 = IF SYNTH Alarm, 1 = Fail
Bit 7 = Spare