Panic Bar
A quick release door lock allowing the door to be quickly opened in the case of an emergency situation. Also Known As - Crash Bar.

Personal Identification Number (PIN)
A unique numerical code used to identify an individual.

Piggybacking
1) More than one individual entering a secure area using one access card.
2) Following an authorized person into a secure area. Also Known As - Tailgating. See Anti Passback.

PIN
See Personal Identification Number.

Primary Code
The main identification information provided by an individual to gain access to a secure area. See Auxiliary Code.

Programmable Card
A card in which data may be encoded.

Programmable Card Reader
A card reader in which instructions for granting or denying access may be programmed.

Proximity
A method of reading a card or key tag without requiring any physical contact between the card/tag and the reading device. Click Here for a description of the operating principle behind proximity.

Proximity Card
A card using proximity technology to store and transmit encoded data.

Proximity Reader
A reader capable of reading and interpreting cards using radio frequency identification to encode data.

Push-Button Lock
A lock that opens when a set of push-buttons are pressed in sequence or in unison.