Glossary

buffer

A storage device used to compensate for

 

differences in the data flow rate when transmitting

 

data from one device to another.

byte

A sequence of successive bits (usually eight)

 

handled as a unit in data transmission.

character

A letter, figure, number, punctuation, or other

 

symbols.

character echo

A way to check the accuracy of data transmission

 

by sending (displaying) all the characters being

 

transmitted to the monitor.

Class 1 fax

A fax modem standard. Under Class 1 computer

 

software handles most of the protocol,

 

compression, and conversion tasks.

Class 2 fax

A fax modem standard. Under Class 2 the modem

 

handles most of the protocol, compression, and

 

conversion tasks as well as modulation, leaving

 

the computer free for other work.

command line

Contains the command(s) instructing the modem

 

to perform a function. Command lines begin with

 

the AT prefix (unless disabled), and are executed

 

when you press the Return key.

Command mode

One of two general modem operating modes.

 

When in Command mode, the modem accepts

 

commands instead of transmitting or receiving

 

data.

configuration option

Modem software that sets specific operating

 

parameters for the modem. Sometimes referred to

 

as straps.

connector

An outlet on equipment and cables that provides a

 

connection.

CSA

Canadian Standards Association.

CTS

Clear-to-Send. A signal indicating that the modem

 

is ready for the DTE to transmit data.

3830-A2-GB91-30

August 1998

Glossary-3

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Paradyne 3830 manual Csa