AT&T MERLIN LEGEND Release 3.1 System Planning Manual page 356

Glossary
D
D4 framing format
Data-channel
data
communications
equipment
data hunt group
data module
data rate
data station
data terminal
data terminal
equipment
DCE
D-channel
DCP
dedicated feature
buttons
delay-dial-start tie
trunk
DFT
GL–8
System Planning
Framing format consisting of a sequence of individual
frames of 24 eight- bit slots and one signal bit (193 bits) in
a 12-frame superframe. See also ESF .
See D-channel .
See DCE .
See DHG .
See ISDN terminal adapter .
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.
An input/output ( I/0 ) device (often a personal computer)
that can be connected to the control unit by an interface.
See DTE and data terminal .
(data communications equipment) Equipment such as
modem s or data modules 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.
(Data-channel) 64-kbps channel that carries signaling
information or data on a PRI or 16-kpbs channel to carry
signaling information on BRI .
(Digital Communications Protocol) AT&T proprietary
protocol to transmit digitized voice and data over the same
communications link.
The imprinted feature buttons on a multiline telephone:
Conf or Conference, Drop, Feature, HFAI (Hands Free
Answer on Intercom), Hold, Message, Mute or
Microphone, Recall, Speaker or Speakerphone, and
Transfer.
See dial-repeating tie trunk.
(direct facility termination) See personal line .