AT&T DataPort PCX Modem Guia do Utilizador descarregar pdf (Página 82)

Glossary

GL-10 Issue 3 October 1995

ter

Latin for “thrice.” Used to denote the third version of a standard

or recommendation, as in V.27ter.

tone dialing

One of two dialing methods, in which telephone numbers are

sent as tones across the telephone lines.

training

A process where two modems try to establish a connection over

the telephone line.

TXD

Transmit Data. Pin 2 of an RS-232 interface that is used by the

computer to transmit data to the modem. Conversely, the

modem uses Pin 2 to receive data from the computer.

UART

Universal Asynchronous Receiver and Transmitter. UARTs send

and receive data on asynchronous serial EIA RS-232 lines. The

internal DataPort PCX modem has a 16550A-compatible UART;

the external DataPort PCX modem uses the UART on your

computer’s COM port.

upload

A file transfer in which you send a file to another computer.

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