American access system ADV-1000 Podręcznik Użytkownika Pobierz pdf (Strona 749)

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12 Digit Cards: Cards that use a combination of a 9

digit card number with a 3 digit issue number. This

term is also refers to applications that require a card

number greater than 65,535. It is usually

implemented for barcode and magnetic stripe

applications. WIN-PAK supports up to 15 digits but

these are still referred to as 12 digit applications.

485 ACK-NAK: A communications verification

system of the 485 converter which double-checks

that information packets have been sent and

received from one device to another.

Abstract Device: see ADV.

Abstract Device: A division within an access

control system that segregates the card and

cardholder information of one group of users from

the card and cardholder information of another

group of users. For example: In a multiple tenant

building, each tenant can be setup as a separate

account.

Access Control: Controlling access to a port of

entry in a physical area or into a computer. See

Electronic Access Control.

Access Level: A level of authorization defined by a

reader (or readers) and the times those readers can be

accessed.

Access Point: A physical point of entry or exit, such

as a door or gate, which is controlled by the system.

ACK: Abbreviation for Acknowledge.

ACK-NAK: See 485 ACK-NAK.

Account: A division within an access control system

that segregates the card and card holder information

of one group of users from the card and card holder

information of another group of users.

Glossary

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