SecurityMan DVR-04 Przewodnik Instalacji Pobierz pdf (Strona 71)

Appendix A: Glossary of Terms

A – 3

Noteschassis type The designation that defines the physical lock type.

Three types exist: cylindrical, mortise, or exit hard-

ware. See those terms for more information.

coercivity The degree of magnetic force needed to encode a

magnetic stripe card.

communication port The connector on the bottom of the NT500 Lock that

allows the lock to be connected to a PDA running

NT500 Transport.

communication

server

A module that allows communication between the

database and door controllers.

controller A circuit board with on-board memory that is

responsible for making most of the decisions in an

access control system.

cylindrical Lock chassis that installs into a circular bore in the

door.

diagnostic code The code in NT500 Transport that identifies the pro-

cessing error.

encoder The device, connected to a PC running

NT500 System software, used to encode magnetic

stripe cards.

exit hardware Lock chassis type that supports the NT500 exit hard-

ware trim lock.

extended unlock The extra period of time the lock will unlock when

an authorized card with extended unlock privileges

is presented.

facility code Part of the access control information that can be

encoded to a card. This information, usually numer-

ical, is unique to a group of cards.

Usually this feature is used to authenticate a card to

a particular organization.

input A hardware connection point used for status report-

ing of a particular sensor.

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SecurityMan DVR-04 Przewodnik Instalacji Strona 71