Comtech EF Data DMD2401/DMD2401L User Manual
Page 134
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
User Interfaces
TM065 - Rev. 3.3
4-95
4.4.13.4 Default Values Modulator
Opcode: <2601h>
Command a Modulator’s Configuration
<4>
Frequency
70,000,000 Hz
<04> <2C> <1D> <80>
<3>
Reserved
<00> <00> <00>
<4>
Data Rate
2,048,000 BPS
<00> <1F> <40> <00>
<4>
EXC Clock
2,048,000 Hz
<00> <1F> <40> <00>
<1>
Freq. Reference
Source
0 = Internal
<00>
<1>
Modulation Type 0 = QPSK
<00>
<1>
Convolutional
Encoder
1 = Viterbi 1/2 Rate
<01>
<1>
Reed-Solomon
0 = Disable
<00>
<1>
Reed-Solomon N 126
<7E>
<1>
Reed-Solomon K 112
<70>
<1>
Reed-Solomon T 7
<07>
<1>
RS Interleaver
Depth
4
<04>
<1>
Scrambler
Control
1 = On
<01>
<1>
Scrambler Type
2 = V35_IESS
<02>
<2>
Transmit Power
Level
-30.0 dBm
<1>
Differential
Encoder
1 = On
<01>
<1>
Carrier Control
0 = Off
<00>
<1>
Carrier Selection 0 = Normal
<00>
<1>
Spectrum
0 = Normal
<00>
<1>
Operating Mode
0 = Normal
<00>
<1>
Clock Control
0 = Internal
<00>
<1>
Clock Polarity
0 = Normal
<00>
<1>
SCT Source
0 = Internal
<00>
<1>
Alarm 1 Mask
No Alarms Masked
<1>
Alarm 2 Mask
No Alarms Masked
<1>
Common Alarm 1 No Alarms Masked
<24>
Tx Circuit ID
24 ASCII Spaces
<20> <20> <20> <20>
<20> <20> <20> <20>
<20> <20> <20> <20>
<20> <20> <20> <20>
<20> <20> <20> <20>
<20> <20> <20> <20>
<1>
Tx Terrestrial
Loopback
0 = Disabled
<00>