Comtech EF Data DMD2401/DMD2401L User Manual
Page 136
DMD2401/DMD2401L/DMD2401 IBS/IDR Satellite Modem
User Interfaces
TM065 - Rev. 3.3
4-97
4.4.13.5 Default Values Demodulator
Opcode: <2A00h>
Command a Demodulator’s Configuration
<4>
Frequency
70,000,000 Hz
<04> <2C> <1D> <80>
<4>
Data Rate
2,048,000 BPS
<00> <1F> <40> <00>
<1>
Sweep Boundary 25 kHz
<19>
<4>
External
Reference
30,000,000 Hz
<01>
<1>
Ext Reference
Source
0 = Internal
<00>
<1>
Input Level Limit
-60 dBm
<60>
<1>
Demodulation
Type
0 = QPSK
<00>
<1>
Convolutional
Decoder
1 = Viterbi ½ Rate
<01>
<1>
Reed-Solomon
0 = Disable
<00>
<1>
Reed-Solomon N 126
<7E>
<1>
Reed-Solomon K 112
<70>
<1>
Reed-Solomon T 0
<00>
<1>
RS Interleaver
Depth
4
<04>
<1>
Differential
Decoder
1 = On
<01>
<1>
Descrambler
Control
1 = Enable
<01>
<1>
Descrambler
Type
2 = V35_IESS
<02>
<1>
Spectrum
0 = Normal
<00>
<4>
Buffer Size
32 msec
256 Bytes
<00> <01>
<00> <04>
<1>
Buffer Clock
0 = External
<00>
<1>
Buffer Clock
Polarity
0 = Normal
<00>
<1>
Operating Mode
0 = Normal
<00>
<1>
Alarm 1 Mask
No Alarms Masked
<1>
Alarm 2 Mask
No Alarms Masked
<1>
Alarm 3 Mask
No Alarms Masked
<1>
Alarm 4 Mask
No Alarms Masked
<1>
Common Alarm 1 No Alarms Masked
<1>
Reserved
<00>