ISDN DEFINITY
Extender 2300EU/2100EU
70
D
Dial Line
A telephone line that is part of the Public Switched
Telephone Network and is accessed through the
DEFINITY
Extender’s automatic dial-up function.
Direct Line
A dedicated circuit or private leased line.
Directory Number
A Directory Number (DN) is the number programmed
into the Switch and Remote Modules used to dial the
modules and any equipment connected to them. There
are two Directory Numbers for each module, one to
dial the module and one to dial the PC, server, or fax
machine, analog modem, or analog telephone
connected to the module.
DTE speed
The speed at which the COM1 serial port runs.
DTR – Data Terminal Ready
A control signal sent from the DTE to the DCE that
indicates that the DTE is powered on and ready to
communicate. DTR can also be used for hardware
flow control.
E
EU – Europe
Identifies this product as a European product.
ETI – Enhanced Terminal Interface
F
Facility
Transmission facilities. Usually a metallic pair of
wires, but can be telephone company carriers, T-1,
microwave or dial-up telecommunications lines.
