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Comtech EF Data SDM-2020 User Manual

Page 160

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SDM-2020 Satellite Demodulator

Revision 4

ECL/HSSI Data Interface

MN/SDM2020D.IOM

10–8

PIN 1

PIN 25

PIN 26

PIN 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.