Zhone 3920Plus Manual de instrucciones descargar pdf (Pagina 341)

Glossary

Glossary-53920-A2-GH30-40 October 1998

directory location Nonvolatile memory that stores up to ten telephone numbers. Each directory location can

have up to 40 characters entered.

DOC Canadian Department of Communication.

download A process that transfers modem firmware from a locally attached PC to a modem or

allows the cloning of firmware from a local modem to a remote modem.

downstream modem A device connected “farther” from the host computer.

DTE The equipment (Data Terminal Equipment), such as a computer or terminal, that

provides data in the form of digital signals.

edit area A temporary work area used to view and change configuration options from the DCP.

The edit area can be loaded from one of five configuration option areas, Active

(Operating), Active (Saved), Customer 1, Customer 2, or Factory.

EIA Electronic Industries Association. This organization provides standards for the data

communications industry.

EIA-232-D An Electronic Industries Association’s standard defining the 25-position interface

between data terminal equipment and data communications equipment.

EIA RS-366-A An Electronic Industries Association’s standard defining the 25-position interface

between data terminal equipment and data communications automatic calling equipment.

error control An algorithm used to correct data transmission errors.

escape sequence Default setting is +++. This sequence lets you switch your modem from Data mode to

Command mode.

extended circuit See extended network.

extended network The extension of a circuit where the tributary DCE is connected to a downstream

(extended) control DCE.

extended result codes An asynchronous message (in either numbers or words) that includes VF data rate and

error control information the modem sends to the DTE after executing or trying to

execute a command.

fallback Retraining at a lower rate or speed.

FCC Federal Communications Commission. Board of Commissioners that regulates all

interstate and foreign electrical communication systems that originate from the United

States.

FEC Forward Error Correction. A method of error control for data transmission where the

receiving device can detect and correct a character or block of code containing a

predetermined number of erroneous bits.

FEP Front-End Processor. A communications computer associated with a host computer that

manages the routing of data through the network.

full-duplex Simultaneous, two-way communications.

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Zhone 3920Plus Manual de instrucciones Pagina 341