In-line Isolators and Repeaters

Convert serial data and protect valuable equipment

Compact Isolated Serial Converters

Top of the line Modbus-compatible serial conversion and isolation in one compact case. Converts RS-232 to RS-422 or RS-485 (2 or 4-wire). 2000V 2-way optical isolation protects devices from power surges, spikes and ground loops.

Automatic Send Data Control means that there are no software drivers to install or keep up with. Removable terminal blocks for RS-422/485 and external power make wiring easy.

Accepts external power from 10-48VDC. Available with female DB9 or DB25 RS-232 input.


4WSD9OTB



Model No.
RS-232 Connector
4WSD9OTB
DB9 female
4WSD25OTB
DB25 female

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