Honeywell MPA1C1, Руководство по установке

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Access Control Overview
An access control system protects and preserves an enterprise’s
resources by providing authentication, authorization, and
administration services.
Authentication is a process that verifies a user’s identity. If the
user is verified, the system then either grants or denies access to
specific areas and resources.
Administration includes the creation and modification of user
accounts and access privileges.
An access control system consists of hardware and software,
usually configured in a network environment over a standard
network protocol.
Access control units, readers, door strikes, and video and other
devices, for example, are configured to control and monitor
access to a company site.