Express Systems will be having an EARLY Closing Thursday, March 28th, 2024 and CLOSED Friday, March 29th 2024 in observance of the Easter Holiday. We will resume regular business hours Monday, April 1st, 2024 at 9:00am EST. Wishing Everyone a Happy & Safe Holiday Weekend!
Serial cards deliver reliable, cost-effective and high serial port expansion; multiple form factors are available. Serial cards will enable you to easily add RS232, RS422, RS485 serial or parallel ports to your PC or server.