
SDM-2020 Satellite Demodulator Revision 4
ECL/HSSI Data Interface MN/SDM2020D.IOM
10–8
PIN 1PIN 25
PIN 26PIN 50
PIN 1
PIN 25
PIN 26
PIN 50
Figure 10-5. ECL/HSSI Connector, Pin Location
Figure 10-6. HSSI Signal Flow
Terminal A “+” of the generator is positive with respect to Terminal B “-“ for a binary 1
or ON state. The B terminal of the generator is positive with respect to the A terminal for
a binary 0 or OFF state.
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