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Glossary
GL-53910-A2-GN32-30 November 1996
dial command modifiers A modifier used in the dial string that instructs the modem how to
process a dialed telephone number
.
dial line
A communications circuit that is established by a switched circuit
connection in the dial network.
dial network See PSTN.
Dial Standby A function available when the modem is operating in Dial Backup
mode, allowing the modem to switch back to lease-line operation
while still maintaining the dial-line connection.
dial string
A series of characters that consists of numbers and modifiers used
to dial a telephone number.
digital signal
A discrete signal. Compare with analog signal.
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.