Comtech EF Data DD240XR Rev Е User Manual

Page 66

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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

<1>

Interface

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
Ethernet


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>

Terrestrial
Streaming

0 = burst packets, 1=continuous bytes

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