
User Interfaces DD240XR High-Speed Digital Demodulator
4-46 MN-DD240XR – Rev. E
Opcode: <2A0Fh> Set spectral inversion
<1> Spectral
Inversion
2 = Auto
Opcode: <2A10h> Set buffer size
<1> Buffer size Milliseconds, Range = 0 msec to 64 msecs
Opcode: <2A11h> Set Rx Clock Source
<1> Rx Clock Source 3 = RX SAT, 4 = EXC direct, 5 = EXC Referenced PLL
Opcode: <2A12h> Set Rx Clock Polarity
<1> Rx Clock Polarity 0 = normal, 1 = inverted
Opcode: <2A13h> Set Satellite Framing
<1> Satellite Framing 0 = normal, 1 = short
Opcode: <2A17h> Set PRBS test pattern
<1> Test Pattern 0 = none, 1 = (2
15
-1), 23=(2
23
-1)
Opcode: <2A1Fh> Set terrestrial interface type
0 = RS422 Serial, 2 = ASI, 3 = AASI, 4=G703E3 UNBAL,
5=G703T3 UNBAL, 6=G703STS1 UNBAL, 7= HSSI, 8 = DVB
Parallel, 9 = M2P Parallel, 10 = ECL BAL/UNBAL, 11 = Gig
Opcode: <2A20> Center Buffer
No Parameters
Opcode: <2A21h> Set data polarity
<1> Data Polarity 0 = normal, 1 = inverted
Opcode: <2A40h> Set framing mode
<1> Framing Mode 0 = 188 byte, 1 = 204 byte, 2 = no framing
Opcode: <2A41h> Set Nyquist roll off
<1> Nyquist roll off 0 = 0.35, 20=0.20, 25 = 0.25
Opcode: <2A43h> Set symbol rate
<1> Symbol Rate in 1 symbol steps
Opcode: <2A44h> Set terrestrial streaming
<1>
Streaming
0 = burst packets, 1=continuous bytes
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