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User Interfaces
<1>
Common Alarm
Opcode: <2433h>
<1>
RTS Level
Opcode: <2601h>
<4>
Frequency
<3>
Reserved
<4>
Data Rate
<4>
EXC Clock
<1>
Modulation Type
<1>
Convolutional
Encoder
<1>
Reed-Solomon
<1>
Reed-Solomon N
<1>
Reed-Solomon K
<1>
Reed-Solomon T
<1>
RS Interleaver
Depth
4-58
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
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)
Query a Modulator's RTS Level
Query Response
Bit 0 = Level
0 = Off, 1 = On
Bits 1 – 7 = Spares
Command a Modulator's Configuration
Unsigned Binary Value in Hz
Set to Zero
Unsigned Binary Value in BPS
Unsigned Binary Value in Hz
0 = QPSK, 1 = BPSK, 2 = 8PSK, 4 = OQPSK
Note: The following command will also turn the carrier off
to protect the satellite.
0 = None
1 = Viterbi 1/2 Rate
3 = Viterbi 3/4 Rate
5 = Viterbi 7/8 Rate
7 = Sequential 1/2 Rate
9 = Sequential 3/4 Rate
11 = Sequential 7/8 Rate
14 = Trellis 2/3
20 = TPC 0.7932D
21 = TPC 0.4953D
0 = Disable, 1 = Enable
Unsigned Binary
Unsigned Binary
Note: This byte is always set to zero; as the T value is
calculated from N and K.
Unsigned Binary (4 or 8)
TM065 – Rev. 3.3
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