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SJ Research Terminators

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SJResearch terminator 

Two SJ Research Terminators

The SJ Research terminators are special 5pin DIN plugs designed to absorb signals which would otherwise be reflected back from the cable ends. They also bias the data lines when no stations are transmitting, indicating that the network is free. Theterminators are plugged into sockets at the two ends of the network, deriving their power through the network from the clock box.