Paradyne COMSPHERE 3920PLUS Installation And Operation Manual page 276

EIA
EIA-232-D
EIA RS-366-A
error control
escape sequence
extended circuit
extended network
extended result codes
fallback
FCC
FEC
FEP
full-duplex
function key
half-duplex
handshaking
HDLC
host
Hz
3920-A2-GN31-30
Electronic Industries Association. This organization provides standards for the data
communications industry.
An Electronic Industries Association's standard defining the 25-position interface
between data terminal equipment and data communications equipment.
An Electronic Industries Association's standard defining the 25-position interface
between data terminal equipment and data communications automatic calling equipment.
An algorithm used to correct data transmission errors.
Default setting is +++. This sequence lets you switch your modem from Data mode to
Command mode.
See extended network.
The extension of a circuit where the tributary DCE is connected to a downstream
(extended) control DCE.
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.
Retraining at a lower rate or speed.
Federal Communications Commission. Board of Commissioners that regulates all
interstate and foreign electrical communication systems that originate from the United
States.
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.
Front-End Processor. A communications computer associated with a host computer that
manages the routing of data through the network.
Simultaneous, two-way communications.
Any one of three keys on the DCP that allows you to select or increment an LCD entry.
Function keys are labeled F1, F2, and F3.
Two-way data communications allowed in only one direction at a time.
The exchange of predetermined codes and signals (tones) to establish a connection
between two modems.
High-Level Data Link Control. A communications protocol defined by the International
Standards Organization (ISO).
A computer attached to a network that shares its information and devices with the rest of
the network.
A unit of frequency (Hertz) that equals one cycle per second.
November 1996
Glossary
Glossary-5