Microsoft® Computer Dictionary

Chapter 21. T

T prefix

See tera- prefix.

T1 or T-1 n.

A high-speed communications line that can handle digital communications and Internet access at the rate 1.544 Mbps (megabits per second). Although originally designed by AT&T to carry multiple voice calls over standard twisted-pair telephone wiring, this high-bandwidth telephone line can also transmit text and images. T1 speed is attained through multiplexing 24 separate 64 Kbps channels into a single data stream. T1 lines are commonly used by larger organizations for Internet connectivity. Also called: T-1 carrier. See also T-carrier n.. Compare fractional T1, T2, T3, T4.

T.120 standard n.

A family of International Telecommunications Union (ITU) specifications for multipoint data communications ...