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Glossary
Glossary-53830-A2-GB91-30 August 1998
dial line A communications circuit that is established by a
switched circuit connection in the dial network.
dial network See PSTN.
dial string A series of characters that consists of numbers and
modifiers used to dial a telephone number.
digital signal A signal composed of only two discrete values,
representing the binary digits 0 and 1.
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. Also, the process of moving data
from a host computer to an attached computer.
DTE The equipment (Data Terminal Equipment), such
as a computer or terminal, that provides data in the
form of digital signals.
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.
EPROM Erasable programmable read-only memory.