Alcatel-Lucent 1643 AMS Applications And Planning Manual page 319

Glossary
VPN
Virtual Private Network
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W Wait to Restore Time (WRT)
The time to wait before switching back after a failure has cleared in a revertive
protection scheme. This time can be between 0 and 15 minutes, in increments of one
minute.
WAN
Wide Area Network
Wander
Long term variations of amplitude frequency components (below 10 Hz) of a digital
signal from their ideal position in time. Wander can result in buffer problems at a
receiver.
WDM
Wavelength Division Multiplexing
What You See Is What You Get (WYSIWYG)
Information as displayed on the screen will appear in the same way on printed output.
Wideband Communications
Voice, data, and/or video communication at digital rates from 64 kbit/s to 2 Mbit/s.
Windows
Graphical User Interface on PC systems.
Working
Label attached to a physical entity. In the case of revertive switching the working line or
unit is the entity that carry service under normal operation. In the case of non-revertive
switching this label has no particular meaning.
WS
WorkStation
WSF
Work Station Facility
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X X-Terminal
Workstation that can support an X-Windows interface
XMTR
Transmitter
XSU
XMTR Switch Unit
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365-312-801R7.2
Issue 3, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
GL-35