US Robotics COURIER Manual do Utilizador descarregar pdf (Página 301)

100

101

U.S. Robotics I-modem Command Reference

Glossary • Page G-43

Universal Asynchronous Receiver/Transmitter (UART)

A computer chip that controls the signaling that goes on through a computerÕs serial port.

UTP (Unshielded Twisted Pair)

Twisted insulated copper wires bundled into an unshielded cable, commonly used in tele-

phone wiring systems. Grades of UTP include DTP (Datagrade Twisted Pair) and DIW

(Distributed Inside Wire).

V.8

ITU-T recommendation that deÞnes procedures for starting and ending sessions of data

transmission.

V.17

An ITU-T standard for facsimile operations that speciÞes modulation at 14.4 Kbps, with

fallback to 12 Kbps.

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