The ICC4X series RS232 to RS422/RS485 interface converters provide an economical solution to RS232 to RS422/RS485 interface problems. These devices are self-powered and feature a DB25 (female) RS232 port and either a 4-pin terminal block or a RJ45 jack for connecting RS422/RS485 devices. Both units are self powered and require no external power supply saving money and space. These products feature a one year manufacturer's warranty. Optional external power supply part number ADS0051
