Paradyne 392xPLUS - Manual (Page 275)

COMSPHERE 392xPlus Modems
Glossary-4 November 1996 3920-A2-GN31-30
dBm A decibel referenced to one milliwatt. This unit measures relative signal power.
DCE The equipment (Data Communications Equipment or Data Circuit Terminating
Equipment) that provides the functions required to establish, maintain, and end a
connection. This equipment also provides the signal conversion required for
communication between the DTE and the telephone line.
DCP Diagnostic Control Panel. The face of the modem that continuously provides status
information about the modem’s operation and allows an operator to manage its operation.
This is a generic term used for both the standalone and carrier-mounted models. See
SDCP.
demodulation The process of recovering data from a modulated carrier wave.
DevHS Device Health and Status. A detailed account of device alarms.
Diagnostic Channel (DC) The diagnostic interface between two network devices, used to extend the NMS
diagnostics to downstream devices.
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 bridging Provides the capability of dial backup in a multipoint configuration by bridging the
signal on the digital side of the front end panel.
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.