Definition
Whatever a person presents to unlock a door — a key fob, proximity card, PIN code, or smartphone. Mobile credentials are increasingly common because they're easy to issue and revoke remotely.
Why this term matters
In access control, terminology typically maps to who can enter, life-safety egress, and how a door behaves during a power outage.
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Related pages
Related terms
Access control An electronic system that controls who can open a door and when, using credentia… Maglock (magnetic lock) An electromagnet that holds a door shut while powered, releasing when power is c… Electric strike A powered door-frame plate that releases the latch to allow entry while keeping … Request-to-exit (REX) A motion sensor or button that signals the system someone is leaving, so the doo…
Discipline: Access Control