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DM240-DVB High-Speed Digital Modulator
Opcode: <2601h>
<4>
IF Frequency
<2>
Reserved
<4>
Data Rate
<4>
External
Reference
<1>
Frequency
Reference
Source
<1>
Modulation Type
<1>
Inner FEC Rate
<1>
Reserved
<1>
Reserved
<1>
Reserved
<1>
Reserved
<2>
Transmit Power
Level
<1>
Carrier Control
<1>
Carrier Type
<1>
Spectrum
<1>
Reserved
TM083 – Rev. 3.0
Command a Modulator's Configuration
Binary Value, units Hz in 100Hz steps.
50000000Hz to 180000000Hz 70/140
950000000Hz to 2050000000Hz L-Band
TBD
Binary Value, 1 bps Steps (See note at the end of this
command.)
Binary Value, units Hz in 8000Hz steps, e.g. 1000000Hz,
1008000Hz, etc.
256000Hz to 10000000Hz
0 = Internal, 1 = External
0 = QPSK, 1 = BPSK, 2 = 8PSK , 3 = 16QAM (See note at
the end of this command.)
1 = 1/2 Rate, 2 = 2/3 Rate, 3 = 3/4 Rate, 4 = 5/6 Rate, 5 = 7/8
Rate, 6 = 6/7 Rate, 7=4/5, 8 = 8/9 Rate, 9 = 9/10 Rate, 128 =
1/4 Rate, 129 = 1/3 Rate, 130 = 2/5 Rate, 131 = 3/5 Rate (See
note at the end of this command.)
TBD, Default = 1
TBD, Default = 1
TBD, Default = 0
TBD, Default = 0
Signed Value. 0 to –250 (0.0 to –25.0 dBm)
0 = Off, 1 = On
0 = Normal, 1 = CW, 2 = Dual, 3 = Offset, 4 = Pos FIR, 5 =
Neg FIR
0 = Inverted, 1 = Normal
TBD, 0 = Default
Appendix A
A
-15
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