Chapter 6

Access Control

Systems

Overview

The vital importance of access control systems has increased along with security
for buildings. The basic or typical building access control system operates so
that a person presents a card to a card reader for a particular door and based
on the information on the card and the system parameters for that person, door,
and facility, the system either unlocks the door to allow the person to pass
through or refuses entry. Similar operations apply to other areas in a facility
where access needs to be controlled such as parking gates and elevators.

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Doi:10.1016/B978-1-85617-653-8.00006-5