Lucent Technologies 2300EU System Administrator Manual page 77

Glossary
Baud Rate
B
The speed in Kbps at which digital data can be
transmitted.
CRC – Cyclical Redundancy Check
C
A process used to check the integrity of a block of
data.
Call On Demand mode
A feature of the ISDN DEFINITY
2300EU and 2100EU, that disconnects the ISDN
connection between the Switch and Remote Modules
when there is no activity and reconnects the modules
when activity occurs.
Central-Site Lines
Communication lines (usually twisted-pair) that are
used to connect the DEFINITY
DEFINITY
DCD – Data Carrier Detect
D
A signal from the DCE (modem or printer) to the DTE
(typically your PC), indicating the modem is receiving
a carrier signal from the DCE at the other end of the
telephone cicuit.
Dedicated Subscriber Lines
Communication lines (usually twisted pair) that are
used to connect central site telephone equipment (such
as a PBX) to the Central Office. Also referred to as
direct lines.
ISDN DEFINITY® Extender 2300EU/2100EU
®
®
ECS to the
®
telephone.
Extender, Models
69