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Each output is electrically isolated from the input, and every other output, by 2500 volt optical couplers. Each output has its own line driver and associated power supply.
Input circuit: EIA-485 receiver with 120 ohm termination resistor between +Data and -Data (Units with feed through connectors do not have internal termination)
Input signal: 0.2 volts minimum, 12 volts maximum
Output circuit: EIA-485 driver
Connectors: 5 pin Neutrik D-1 Series
Feed through: A non-isolated feed through connector is standard on the eleven output model and is optional on the one, three, and five output models.
Isolation: 2500 volt optical coupler, 1500 volt split bobbin transformer
Power input: 100 - 120 volts, 50/60 hertz, 12 watts
Note: Professionally maintained and teched prior to shipment.