Features

Model 4WSD9OTB converts RS-232 to RS-422 or RS-485 (2 or 4-wire). 2,000 Volts two-way optical isolation protects devices from power surges, spikes and ground loops in harsh electrical environments. This in-line converter supports distances up to 1,200 m (4000 ft.) and data rates up to 115.2 kbps. Switchable modes support 2-wire RS-485, 4-wire RS-485, and full-duplex RS-422. DB9 female RS-232 input. Removable terminal blocks for RS-422/485 and external power make wiring easy. Accepts external power from 10-48 VDC from an industrial power source or plug in power supply (not included, sold separately).

Downloads

Datasheet 1