COMSPHERE 3800 Series Modems ± Model 3830

Customer 1

A user-defined configuration area containing

 

customized configuration options for a specific

 

application.

Customer 2

A user-defined configuration area containing

 

customized configuration options for a specific

 

application.

data carrier

A continuous frequency signal that can be

 

modulated by another signal that contains

 

information to be transmitted.

data compression

The elimination of empty fields, redundancies, and

 

gaps in order to reduce storage capacity needs and

 

the amount of data to be transmitted. Anything

 

that is eliminated is restored after the data is

 

received.

Data mode

One of two general modem operating modes.

 

When in Data mode, the modem transmits and

 

receives data instead of accepting commands.

DB-25 connector

A 25-pin connector that is used to connect a cable

 

which enables communications between two

 

devices.

dBm

A decibel referenced to one milliwatt. This unit

 

measures relative signal power.

DCE

The equipment (Data Communications Equipment

 

or Data Circuit Terminating Equipment) that

 

provides the functions required to establish,

 

maintain, and end a connection. This equipment

 

also provides the signal conversion required for

 

communication between the DTE and the

 

telephone line. A modem is a DCE.

demodulation

The process of recovering data from a modulated

 

carrier wave.

dial command modifiers

A modifier used in the dial string that instructs the

 

modem how to process a dialed telephone number.

Glossary-4

August 1998

3830-A2-GB91-30

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Image 118
Paradyne 3830 manual Dce