Keri-systems Doors.NET Manual Manual de usuario Pagina 378

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Doors.NET Reference Manual
- 378 -
Anti Passback
The Anti Passback (APB) feature provides one-way card access into and out of a secure
area. It prevents a cardholder from using their card and then passing that card back to
someone in order for them to gain unauthorized access.
Local APB is supported on PXL controllers, and on Mercury and Mercury Powered
NXTcontrollers. Local APB is applied to a single door or between two doors on the
same controller.
Global APB is supported on Mercury and Mercury Powered NXTcontrollers in con-
junction with the licensed Global Linkage feature. Global APB can be applied to multiple
doors across multiple controllers.
Local APB Setup - PXL Controllers
When using the PXL controllers this feature requires the controller to be using door con-
tacts which will report the door status to the controller. The controller needs to detect a
certain series of events for APB to be applied; a valid card read (access granted) fol-
lowed by Door Opened, then Door Closed. If the controller does not detect the door open-
ing then the card will be able to gain access at the same reader again.
1. To enable this feature for PXL controllers highlight the controller in the hardware
tree and refer to its properties.
2. Scroll through the property list until you locate the Anti-Passback section.
3. Set the APB type to Hard - (when a violation of the anti-pass back rules occur, the
user will be denied access).
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