Channel service units (CSU) and data service units (DSU) are digital interface devices that connect end user data communications equipment to digital access lines. They also provide framing of sub-64 kbps customer access channels onto higher rate data circuits.
Communications and network software is used for the setup and management of digital communication networks such as LAN and WAN computer networks, electronic mail, FAX, audio and video networks, wireless communication systems, etc.
Information technology (IT) staffing services provide temporary or permanent workers who troubleshoot and repair computers, operate help desks, and support voice and data networks.
Patch panels are groups of ports used to connect lines between communications and electronic devices. Connections are made manually with small patch cords, and are easier to wire than automatic switches. Wireless patch panels are also available.
Research and development services perform original investigation to gain new knowledge (research) and/or apply research findings to create or improve products and processes (development).