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GLOSSARY
10BASE-T
A form of Ethernet and IEEE 802.3 network cabling using twisted pair. It
provides 10Mbits/s with a maximum segment length of 100 m (382 ft).
10BASE2
An implementation of IEEE 802.3 Ethernet standard, often called thinnet
or cheapernet, because it uses thin coaxial cable. 10BASE2 runs at a data
transfer rate of 10 Mbits/s with a maximum segment length of 185 m
(607 ft) per segment.
911
The emergency service that provides a single point of contact for police
and fire departments. See also E911.
account codes
ADSL
ATM
Codes that allow you to keep track of calls associated with a client or
account for bookkeeping or billing purposes.
Asymmetrical Digital Subscriber Line. A telephone line that delivers
high-speed data services, such as Internet access, videoconferencing,
interactive TV, and video on demand. The line is split asymmetrically so
that more bandwidth can be used from the telephone company to the
customer (downstream) than from the customer to the telco (upstream).
Asynchronous Transfer Mode. A cell-based data transfer technique in
which channel demand determines packet allocation. ATM offers fast
packet technology, real-time, demand-led switching for efficient use of
network resources.
Attendant Console
The Attendant Console is a standard telephony device that shows the
status of each extension in a telephone system. The Attendant Console is
usually used by a receptionist to connect incoming calls to the correct
extension. All incoming calls ring at the Attendant Console.
AUI
Attachment Unit Interface. The IEEE 802.3-specified cable and connector
used to attach single-channel and multiple-channel equipment to an
Ethernet transceiver. Defined in Section 7 of the 802.3 standard.