DTech RS232 to RS485 Converter Serial Communication Data Adapter with TX RX LED Indicators and Terminal Board

600W double lightning surge protection and 15KV static protection protects your value devices against high voltage spikes created by either by static electricity or by surges in the supply voltage. RS-232 to RS-485 serial converter with TX and RX indicators enables you to easily know the status of sending or receiving data respectively. Passive bi-directional RS232 to RS485 converter supports reliable signal transmission over long distance: up to 4000ft over RS-485 link at a high speed. Mini RS 232 to 485 adapter supports 2 wire half duplex communication, point to point and point to multi-point network (up to 32 RS-485 devices). The baud rate will be detected and adjusted automatically, up to 115200 bps; industrial RS232 serial adapter is port powered from RS-232 signal, no external power required