Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Glossary
Page GL-12
D
D4 framing format 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.
Data-channel
See
D-channel.
data communica-
tions equipment
See
DCE.
data hunt group
See
DHG.
data module
See
ISDN terminal adapter.
data rate
See
bps.
data station Special type of extension where data
communications take place; includes DTE and DCE.
Sometimes a telephone is also part of a data station.
data terminal An input/output (I/0) device (often a personal
computer) that can be connected to the control unit
via an interface.
data terminal
equipment
See
DTE and data terminal.
DCE (data communications equipment) Equipment such
as
modems
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.