Isolated In Line Serial Converters
Convert serial data and protect valuable equipment

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