Appendix A
DM240XR High-Speed Digital Modulator
A-20
TM120 – Rev. 1.1
Opcode: <2602h>
Command a Modulator's Frequency
<4>
Frequency
Binary Value, units Hz in 100Hz steps.
50000000Hz to 180000000Hz 70/140
950000000Hz to 2050000000Hz L-Band (This command will
cause the carrier to turn off).
Opcode: <2604h>
Command a Modulator's Data Rate
<4>
Data Rate
Binary Value, 1 BPS steps (This command will cause the
carrier to turn off).
Opcode: <2606h>
Command a Modulator's Modulation Type
<1>
Modulation Type 0 = QPSK, 1 = BPSK, 2 = 8PSK, 3 = 16QAM, 9 = 16APSK,
10 = 32APSK
Opcode: <2607h>
Command a Modulator's Inner FEC Rate
<1>
Inner FEC Rate
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
(This command will cause the carrier to turn off.)
Opcode: <2609h>
Command a Modulator's Carrier Control
<1>
Carrier Control
0 = Off, 1 = On
Opcode: <260Ah>
Command a Modulator's Carrier Test
<1>
Carrier Test
0 = Normal, 1 = CW, 2 = Dual, 3 = Offset, 4 = Pos FIR, 5 =
Neg FIR
Opcode: <260Bh>
Command a Modulator's Input Clock Source
<1> Input
Clock
Source
0 = SCTE, 1 = SCT
Opcode: <260Ch>
Command a Modulator's Input Clock Polarity
<1> Input
Clock
Polarity
0 = Normal, 1 = Inverted
Opcode: <260Fh>
Command a Modulator's Output Level
<2> Transmit
Power
Level
Signed Value. 0 to –250 (0.0 to –25.0 dBm)
Opcode: <2611h>
Command a Modulator's Spectrum
<1>
Spectrum
0 = Inverted, 1 = Normal
Opcode: <2616h>
Command a Modulator's External Reference Source
<1> External
Reference Source
0 = Internal, 1 = External
Summary of Contents for DM240XR
Page 2: ......
Page 10: ...Table of Contents DM240XR High Speed Digital Modulator x TM120 Rev 1 1 ...
Page 12: ...Introduction DM240XR High Speed Digital Modulator 1 2 TM120 Rev 1 1 ...
Page 16: ...Installation DM240XR High Speed Digital Modulator 2 4 TM120 Rev 1 1 ...
Page 19: ...DM240XR High Speed Digital Modulator Theory of Operation TM120 Rev 1 1 3 3 ...
Page 55: ...User Interfaces DM240XR High Speed Digital Modulator 4 36 TM120 Rev 1 1 ...
Page 67: ...Rear Panel Interfaces DM240XR DVB High Speed Digital Modulator 5 12 TM120 Rev 1 1 ...
Page 69: ...Maintenance and Troubleshooting DM240XR High Speed Digital Modulator 6 2 TM120 Rev 1 1 ...
Page 79: ...Technical Specifications DM240XR High Speed Digital Modulator 7 10 TM120 Rev 1 1 ...
Page 103: ...Appendix A DM240XR High Speed Digital Modulator A 24 TM120 Rev 1 1 ...
Page 124: ...DM240XR High Speed Digital Modulator Appendix B TM120 Rev 1 1 B 21 ...