Electric Door Lock
A remotely operated electric locking device. See Electric Strike, Electromagnetic Lock.
Electric Strike
An electric door lock that requires power to be applied to unlock a door.
Electromagnetic
A general term referring to the electric and magnetic fields associated with the movement of electrons through
conductors.
Electromagnetic Lock
An electric door lock that uses an electromagnet to hold a door closed. See Magnetic Lock.
Embossed Card
An access control card that uses a raised pattern as a means of encoding data.
EMI
See Electromagentic Interference.
Encoding
The process of writing data to a card.
Entrance Delay
See Door Held Open Time.
EPROM
An acronym for Erasable Programmable Read Only Memory.
Event
An occurrence at a controller (such as unlocking a door, requesting to exit, forcing a door open) that
generates a message stored by the controller.
Exit Alarm
A device that indicates (either audibly or silently) that a secure door has been forced opened.
Exit Lock
A push-bar door lock that spans the width of the door, used for emergency exit. An Exit Lock may be connected
to an Exit Alarm.
Exit Reader
A reader used to control exiting from a secure area.
Exit Switch
A switch that is used to initiate a Request to Exit. See Request to Exit.
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