Tech Terms: What Every Telecommunications and Digital Media Professional Should Know

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Level: 2
Definition: A private enterprise-wide high-speed computer network for linking file servers, computers, printers, modems, and other peripheral equipment or devices enabling workstations on the network to share information, software, exchange e-mail, or connect with the Internet or other online services. LANs are typically confined within a building or can be extended to a number of centrally located buildings in an office park or university campus. Common LAN architectures include Ethernet and token ring systems.
Used in a sentence: I had to install special software to allow me to access our wireless LAN at work. (See also Network, MAN, and WAN.)
Level: 3
Definition: A software-based protocol allowing for transparent connectivity from an Ethernet or token ring LAN to an ATM backbone trunk line. LAN emulation software enables two LANs connected by a high-speed ATM line to perform as if they were a single unified network. The ATM portion functions to provide faster transmission rates over lengthy distances. (See also ATM, LAN, and Token Ring.)
Level: 3
Definition: Radio technology providing two-way terrestrial communications links for taxis, police, and other fleet dispatch, military, emergency response organizations, and so on. Licensed land mobile communication systems include a base station, standby base stations, supplementary base stations, mobile stations, overlay paging receivers, remote control stations, and so on. (See also ESMR and SMR.)
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