Alcatel-Lucent 1643 AMS Operation Manual page 381

Glossary
Universal Co-ordinated Time (UTC)
An indication of the time of an event that is independent of the time-zone in which the
event occurred. The local time can be calculated from the Universal Co-ordinated Time.
Upgrade
An upgrade is the addition of new capabilities (feature). An upgrade requires new
software and may require new hardware.
UPL
User PaneL
Upstream
At or towards the source of the considered transmission stream, i.e. in the direction that
is opposite to the direction of transmission.
User Privilege
A permission of a user that allows to perform actions on the computer system on which
the ITM-SC application runs. There are the following different types of users:
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V Value
A number, text string, or other menu selection that is associated with a parameter.
VF
Voice Frequency
Virtual Container (VC)
Container with a path overhead.
VLAN
Virtual LAN
VPN
Virtual Privat 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.
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365-312-803R7.2
Issue 4, May 2007
Alcatel-Lucent - Proprietary
See notice on first page
GL-35