Comtech EF Data MD2401 User Manual
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MD2401 L-Band Multi Demod Installation and Operation Manual
User Interfaces
MN-MD2401
4–43
Revision 7
<1>
*<1>
*<1>
Reserved
Drop Alarm Status
Insert Alarms
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)
Ignored
Bit 0 = Terrestrial Frame Lock Fault (all modes)
= Terrestrial Multiframe Lock Fault (PCM-30 and PCM-30C only)
Bit 2 = Terrestrial CRC Lock Fault (PCM-30C and PCM-31C only)
Bit 3 = Terrestrial Yellow Alarm Received (T1 only)
Bit 4 = Terrestrial FAS Alarm Received (E1 only)
= Terrestrial MFAS Alarm Received (PCM-30 and PCM-30C only)
Bit 6 = Loss of Terrestrial Signaling (reported by DSP)
Bit 7 = Spare
(0 = Pass, 1 = Fail)
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
(0 = Pass, 1 = Fail)
Opcode: <2600h>
Command a Modem’s Control Mode
<1>
Modem Control
Mode
0 = Front Panel, 1 = Terminal, 2 = Computer
Opcode: <2616h>
Command a Module’s External Reference Source
<1>
External Ref.
Source
0 = Internal, 1 = External
Opcode: <261Bh>
Command a Module’s External Reference Frequency
<4>
External Ref. Freq.
Unsigned Binary Value in Hz
Opcode: <2C03h>
Command Clear all Latched Alarms (No Parameters)
Opcode: <2C04h>
Command Set Time
<1>
<1>
<1>
Hour
Minute
Second
0 - 23
0 – 59
0 – 59
Opcode: <2C05h>
Command Set Date
<1>
Year
0 – 99