SecurityMan DVR-04 Installationsanleitung PDF herunterladen (Seite 72)

Appendix A: Glossary of Terms

A – 4

Notes issue code Part of the access control information contained on

a card that allows reuse of the card ID when a card

is lost, damaged, or stolen. Usually one or two dig-

its in length, this code increments forward when

creating a new card. Access is granted only when

the card ID and the issue code match the current

database information.

look ahead An offline feature where a higher issue code for a

particular card ID knocks out the same card ID with a

lower issue code from an offline lock when the card

ID with higher issue code is presented to the lock.

mortise A lock chassis that installs into a mortised cavity in

the edge of a door.

NT500 Transport The application that runs on a PDA designed to

update NT500 locks and retrieve lock history.

office admin kit Magnetic stripe reader that when connected to a

controller, via a PC running NT500 System Software,

can be used as an encoder.

organizational units A means of segregating the NT500 database into

logical units which enables sites to be managed

separately. It prevents unnecessary controller

downloads and prevents operators from editing

sites which they should not have any jurisdiction.

output An NT500 on-board relay or switch that is config-

urable to follow the status of an input, system con-

dition, or a time zone.

passage mode The ability to double present an authorized card

within the strike time to unlock an opening. The lock

is returned to its original status by a second, double

presentation of an authorized card.

PDA Personal Digital Assistant.

programming cable The cable used to connect the PDA to the NT500

Lock.

request to exit A sensor usually installed on the non-secure side of

the door that will mask the door position switch

upon activation.

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SecurityMan DVR-04 Installationsanleitung Seite 72