ITEM NAME:Hot serial rs232 RS-232 to rs485 rs-485 data interface converter adapter M&O Introduction: 100% Brand NEW!! High Quality!!! Product Features: This product is port.1x RS232 to RS485 Converter. SDC automatically enables the RS-485 driver when data is present on the RS-232 side. RS-232 to RS-485 Transmitter Converter Communication Data Adapter. Port protection: 600W surge protection, 15Kv static protection.