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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, micro-
wave or dial-up telecommunications lines.
L
LED
Light-emitting diode. A semiconductor diode which emits light when a current is passed through it, indicat-
ing that the power is on.
O
Office Module
The EXTender module that connects to the PBX or Key System.
P
PBX
Private Branch Exchange.
POTS
Plain Old Telephone Service. An Analog Telephone Device.
R
Remote Module
The NEC ISDN Dterm EXTender Plus module that connects to the remote NEC Dterm Series E telephone.
S
Switch Module
Same as Office Module.
T
TEI – Terminal Endpoint Identifier
Up to eight devices can be connected to one ISDN BRI line. The TEI defines which device is communicat-
ing with the Central Office Switch.
TTI - Text Terminal Interface
The Terminal Configuration menu operating in TTY terminal emu
EXTender 3000 System Administrator's Guide (Definity)
Glossary
Page 113
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