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Product Description
The Model 8381 RS-422 Opto Isolator allows re-generating and
extending the distance of RS-422 networks while maintaining optical
isolation between the ports. Model 8381 allows for the extension of
RS-422 links to a maximum limit of 3,300 feet or 1 km at any data
rate up to 115 KBPS. Full-duplex transmission is accommodated on two
twisted pairs.
The Model 8381 includes TD and RD LED's as well as a built-in power
supply. The power input is 110 Volts/60 Hz. All the inputs and outputs are
via screw terminals located on the top and side surfaces of the
device.
A full complement of dip switches are provided for pull up and pull
down resistors on all received data lines as well as terminating
loads for transmitters and receivers. The user also as the ability
to configure the grounding scheme for the four-wire links.
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