ISDN DEFINITY
Extender 2300EU/2100EU
69
Glossary
B
Baud Rate
The speed in Kbps at which digital data can be
transmitted.
C
CRC – Cyclical Redundancy Check
A process used to check the integrity of a block of
data.
Call On Demand mode
A feature of the ISDN DEFINITY
Extender, Models
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
ECS to the
DEFINITY
telephone.
D
DCD – Data Carrier Detect
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.
