(Context: General)
Defined as, but not limited to: channel service units, data compression units, line drivers, bridges, routers, and Asynchronous Transfer Mode switches (ATM), multiplexers and modems. Also, private branch exchanges (PBX), Integrated Services Digital Network (ISDN) terminal equipment, voice mail units, automatic call distribution (ACD), voice processing units and key systems. Video communications products such as: coders, multipoint conferencing units and inverse multiplexers.