-Pre-wired w/ power supply The ES-R-2101B-M is an RS232 to RS485 / RS422 adapters that support transfer rates up to 1M baud. The ES-R-2101B-M includes optical isolation between the RS232 and RS422 / RS485 connections. With RS422 mode selected the interface can be configured for four-wire operation with CTS / RTS hardware handshaking. In RS422…