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Glossary
8-2 Issue 1 October 1998
Glossary
+12 vdc
12 volt direct current.
120 VAC
120 volt alternating current (North American standard electrical supply).
B
Baud Rate
The speed in Kbps at which digital data can be transmitted.
D
Dedicated Subscriber Lines
Communication lines (usually twisted pair) that are used to connect on-
premise telephone equipment (such as a PBX) to the Central Office. Also
referred to as direct lines.
Dial Line
A telephone line which is part of the Public Switched Telephone Network
and is accessed through the DEFINITY Extender Model 3000 automatic
dial-up function.