American access system ADV-1000 Betriebsanweisung PDF herunterladen (Seite 759)

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Invert Follow: In an interlock, a second point

(component B) takes on the opposite state as the

triggering point (component A). See Follow.

Job Specifications: All the written documentation

that must be followed in order for a job to be

correctly completed.

Key Control: In an EAC system, key assignment and

control is managed by the controller.

Keypads: A keyboard device, often, but not always,

limited to numbered keys between 0 to 9.

Latching: The manual use of electronic access

control credential in which one credential read

causes a lock to unlock and a second read locks the

lock. The lock changes state only after a credential is

read.

LED: Light Emitting Diode (a small lamp).

Local Relay: The communication occurring between

an input device and an output on a control panel.

operators change shift, the new operator logs in.

Log Out: Signing out of the system. When system

operators change shift, the operator leaving the shift

logs out.

Loop: A communications network wherein the

communications cable begins and ends at the same

point, with control panels linked at increments along

the loop.

Low Voltage: When a battery is too low the N-

1000-III and IV panels can be configured to report a

low voltage alarm.

Glossary

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