Comtech EF Data SDM-2020 - Manual (Page 157)

SDM-2020 Satellite Demodulator Revision 4
ECL/HSSI Data Interface MN/SDM2020D.IOM
10–5
1496 Bits Payload
High High
SYNC
DATA
DVALID
CLOCK
Low Low
Figure 10-1. 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 10-2. 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 10-3. 204 Byte Serial Format