Universal Communications X (communications) (UCX) A software implementation of the ubiquitous TCP/IP suite of communications protocols for Digital Equipment Corporation's OpenVMS operating system.
Users of the UCX product can connect to heterogeneous networks to access and download files, send electronic mail, run and develop applications, and monitor activity. "Software Product Description, DIGITAL TCP/IP Services for OpenVMS, Version 4.2",. Last updated: 2000-12-15