Express Systems will have an EARLY CLOSING Friday, August 30, 2024, and will be CLOSED Monday, September 2nd, 2024, in observance of The Labor Day Holiday. We will resume regular business hours Tuesday, September 3rd, 2024, at 9:00am EST. Wishing everyone a Happy & Safe Holiday Weekend!
The A52 and A53 are general RS-232 to RS-422/485 converters designed for users who need to extend RS-232 transmission distance and increase networking capability.