Comtech EF Data SDM-2020, Installation And Operation Manual

Page: 131 / 215

Data Interfaces SDM-2020 Satellite Demodulator
A–30 Rev.3
1496 Bits Payload
High High
SYNC
DATA
DVALID
CLOCK
Low Low
Figure A-7. 187 Byte (no framing) Serial Format
0 1 0 0 1 0 1 1 0 1 0 0 1 0 1 1
8 Bits Sync 8 Bits Sync 1496 Bits Payload
High High
SYNC
DATA
DVALID
CLOCK
Figure A-8. 188 Byte Serial Format
0 1 0 0 1 0 1 1
8 Bits Sync 1496 Bits Payload
SYNC
DATA
DVALID
CLOCK
0 1 0 0 1 0 1 1
8 Bits Sync 128 Bits RS
Figure A-9. 204 Byte Serial Format