Lucent Technologies MERLIN LEGEND Release 7.0 System Planning Manual page 437

MERLIN LEGEND Communications System Release 7.0
System Planning 555-670-112
Glossary
Data
Communications
Equipment
Data Module
Data Rate
Data Station
Data Terminal
Data Terminal
Equipment
Data Workstation
DCE
DCP
D-Channel
Dedicated Feature
Buttons
Delay-Start Tie
Trunk
Desktop
Videoconferencing
System
DFT
DHG
Dial Access
DCE
See .
Type of ISDN terminal adapter that acts as the DCE at a
data workstation that communicates over high-speed digital
facilities.
See bps .
Special type of extension where data communications take
place; includes DTE and DCE ; sometimes a telephone is
also part of a data station.
Input/output device (often a personal computer) that can be
connected to the control unit via an interface.
See DTE and Data Terminal
Special type of extension where data communications take
place; includes DTE and DCE ; sometimes a telephone is
also part of a data workstation.
Data Communications Equipment . Equipment, such as
modems or ISDN terminal adapters, used to establish,
maintain, and terminate a connection between the system
and data terminal equipment ( DTE )—such as printers,
personal computers, host computers, or network
workstations.
Digital Communications Protocol . AT&T proprietary
protocol to transmit digitized voice and data over the same
communications link.
Data-Channel . 16- or 64-kbps channel that carries
signaling information or data on a PRI or BRI .
The imprinted feature buttons on a telephone: Conf or
Conference, Drop, Feature, HFAI (Hands-Free Answer on
Intercom), Hold, Message, Mute or Microphone, Recall,
Speakerphone or Spkrphone, and Transfer.
Tie trunk or tandem tie trunk on which the originating end of
the tie trunk transmits an off-hook signal to the receiving
end and waits for the receiving end to send an off-hook
signal followed by an on-hook signal. Also called "dial-
repeating tie trunk."
System application that allows face-to-face, simultaneous
video and voice communications between individuals and
requires high-speed data transmission facilities. See also
Group Videoconferencing System
Direct Facility Termination . See
Data Hunt Group . Group of analog or digital data stations
that share a common access code. Calls are connected in
a round-robin fashion to the first available data station in
the group.
See Feature Code .
.
.
Personal Line .
Issue 1
April 1999
GL-9