Paradyne Compshere 3000 Series Installation Manual page 96

COMSPHERE 3000 Series Carrier
DCP
DDD
DDS
device
Diagnostic Channel
Diagnostic Console
Dial
dial network
digital bridging
DIP switch
D-lead control
DOC
downstream
DPII
DSA
DSU
DSX-1
DS0
DTE
EIA
EIA-232-D
Glossary-4
Diagnostic Control Panel. The front panel of a device that continuously provides status
information about the device's operation and allows an operator to manage its operation.
This is a generic term used for both the standalone and carrier-mounted models.
Direct Distance Dialing. Telephone exchange service, the PSTN, that enables a telephone
service user to access telephone lines without operator assistance.
Digital Data Service, such as DATAPHONE Digital Service or ACCUNET Spectrum of
Digital Services, that provides digital communication circuits.
A standalone or carrier-installed circuit card.
A digital interface between a DSU and a modem used to extend diagnostics to the DSU via
the modem.
A DATAPHONE II NMS that uses the DATAPHONE II protocol.
A device operating on a PSTN line and requiring a dialing method and protocol to conduct
data transmission.
See PSTN.
Provides the ability for dial backup of a multipoint configuration by bridging the signal on
the digital side of the front end panel.
Dual In-line Package switch.
A control signal method which causes the associated modem to go off-hook in the Originate
mode. With D-lead control signaling, a single signal lead is associated with each modem.
Momentary connection of this lead to common ground activates the signal.
Canadian Department of Communication.
In extended networks, the direction in which diagnostic messages flow from the diagnostic
control site to any intermediate links and then to the final tributary modem.
DATAPHONE II. The name of both a family of Paradyne DCE and NMS products (SC, DC,
and NC), and the network management protocol used by these products.
Digital Switched Access (see IEC).
Data Service Unit. Data communications equipment that transmits digital data over a private
line. Also used for limited distance communications over the PSTN when a high-speed
modem is not needed.
Digital Signal Cross Connect level 1. An interconnection point for terminals, multiplexers
and transmission facilities.
Digital signal level 0 (zero). A 64 kbps digital telecommunications signal or channel.
Data Terminal Equipment. The equipment, such as a computer or terminal, that provides
data in the form of digital signals.
Electronic Industries Association. This organization provides standards for the data
communications industry to ensure uniformity of interface between DTEs and DCEs.
An Electronic Industries Association's standard defining the 25-position interface between
data terminal equipment and data communications equipment.
July 1999 3000-A2-GA31-D0