Express Systems will be Closing EARLY Friday, December 30th, 2022 and will be CLOSED Monday, January 2nd, 2023 in observance of the New Year Holiday. We will resume regular business hours Tuesday, January 3rd, 2023 at 9:00am EST. Wishing Everyone a Happy & Safe Holiday Weekend!
These serial media converters convert RS232 and RS232/422/485 to USB. These converters let you easily build an industrial grade, long distance communication system with standard PC hardware.