American access system ADV-1000 Guide de l'utilisateur Page 761

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Non-Distributed System: A computer or EAC
network that requires a single "host computer" that
supplies the programming and decision making
resources to other computers and EAC controllers in
the system.
Normally Closed (NC): Refers to contact points
that always touch when a device is in its normal
position.
Normally Open (NO): Refers to contact points
that do not touch when a device is in its normal
position.
Numb Mode: Disables readers for a set period of
time following a card read.
O
Off Line: Disconnecting one computer device from
another that stops the flow of information between
them.
On Line: Connecting one computerized device with
another in a way that can send information between
them.
Operating Humidity: The relative humidity range
in which a device can operate.
Operating Temperature: The temperature range in
which a device can operate.
Operator: A person who operates the system
directly through the software: a user. Operator
privileges are determined by operator level or
individually.
Operator Level: The granting or denying of a
privilege to control, view, or edit an aspect of the
access system to a system user or operator.
Glossary
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