Paradyne 3825Plus User Manual page 96

COMSPHERE 3825Plus Modem
DTMF
EIA
EIA-232-E
EIA RS-366-A
EPROM
error control
escape sequence
extended result codes
fax modem
fax software
FCC
full-duplex
Group III
half-duplex
handshaking
HDLC
host
Hz
ISO
ITU-T
JM8
LCD
Glossary-4
Dual Tone Multi-Frequency. DTMF tones are the sounds produced by pressing the keys of a
Touch Tone phone, or by dialing a number with a modem using the ATDTn command.
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.
Erasable programmable read-only memory.
An algorithm used to correct data transmission errors.
Default setting is +++. This sequence lets you switch your modem from Data mode to Command
mode.
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.
A modem capable of emulating some features of a fax machine. Working under the control of fax
software, a fax modem can communicate with a fax machine or with another fax modem.
A program or system of programs installed on a computer that allow a fax modem to send and
receive facsimile images.
Federal Communications Commission. Board of Commissioners that regulates all interstate and
foreign electrical communication systems that originate from the United States.
Simultaneous, two-way communications.
A fax standard that specifies a rate of transmission of about one page per minute.
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 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.
International Organization for Standardization.
The Telecommunications Standardization Sector of the International Telecommunications Union,
an advisory committee established by the United Nations to recommend communications
standards and policies. Before March 1993 it was called CCITT.
A jack used for leased-line networks. Pins 1 and 2 are the transmit pair and Pins 7 and 8 are the
receive pair.
Liquid Crystal Display. The device that permits text to be displayed on the DCP.
January 1999 3825-A2-GB30-40