Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 441

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Glossary
ISDN
ISDN terminal
adapter
ISDN terminal
adapter data
station
J
jack
(Integrated Services Digital Network) Public or
private network that provides end-to-end digital
connectivity for all services to which users have
access by a limited set of standard multipurpose
user and network interfaces; provides digital
circuit-switched or packet-switched connections
within the network and to other networks for national
and international digital connectivity.
A type of data communications equipment that trans-
mits digital signals over digital telephone company
facilities, for example, PRI. A digital data station uses
an ISDN Terminal Adapter (such as the Express-
Route 1000 or ISDN 7500B data module) as its
DCE.
A type of data station that includes an ISDN terminal
adapter as its DCE. It may also include an MLX
telephone for simultaneous voice and data. These
data stations connect to MLX extension jack mod-
ules for digital transmission of data over a DS1 facil-
ity.
Physical connection point to the system for a
telephone, trunk, or other device. Also called "port."
Issue 1
June 1997
Page GL-23