AT&T MERLIN LEGEND Installation & Maintenance Manual page 693

Glossary
data communications equipment
(DCE)
Equipment such as modems
or data modules used to
establish, maintain, and
terminate a connection
between the communications
system and data terminal
equipment (DTE), such as
printers, host computers, or
workstations.
data hunt group (DHG)
A 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.
data rate
See bit rate.
data terminal
An input/output (I/O) device
that can be connected to the
communications system
control unit via an interface.
data terminal equipment (DTE)
The equipment that makes up
the endpoints in a connection
over a data circuit—for
example, a data terminal,
host computer, or printer.
GL-8 Glossary
dedicated feature buttons
The imprinted feature buttons
on a telephone: Conf or
Conference, Drop, HFAl
(Hands Free Answer on
Intercom), Hold, Mute or
Microphone, Speaker or
Speakerphone, Transfer,
Message, and Recall.
delay-dial-start tie trunk
A type of 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 a dial-
repeating tie trunk.
dial access
See feature code.
dial-out code
A code (usually a 9) dialed by
single-line telephone users
and multiline telephone users
with System Access (SA)
buttons to get an outside line.
DID (direct inward dialing)
trunk
An incoming trunk that
receives dialed digits from
the local exchange, allowing
the communications system
to connect directly to a
station without assistance
from the system operator.