Instruction Manual

port The point of connection (usually physical) between a

computer and a peripheral device, another computer, or a

network.

protocol An agreement between computers about the

form and content of the information they exchange.

protocol negotiation The process of reaching

agreement between computers about the form and content

of the data they exchange.

PSTN Public Switched Telephone Network.

pulse An abrupt and relatively short change in voltage,

either positive or negative, resulting in the conveyance of

data in a circuit.

remote computer A computer other than your

Macintosh, but connected to it, either directly or through

your modem and telephone lines. A remote computer can

be at any distance from your computer, from right beside it

to thousands of miles away.

RJ-11 A modular phone jack and receptacle for telephone

equipment.

Glossary