Keri Systems Doors.NET Manual - Manual (Page 498)

Doors.NET Reference Manual
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The feature is supported on all Doors.NET controller types except for the PXL con-
trollers. It is an optional module that has to be enabled in the Doors.NET license.
As with Local Linkage there are many different custom scenarios that can be setup and
used. Global Linkage means a trigger coming from one controller can activate an action
on a different controller, or multiple controllers.
For example, you could:
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Unlock all doors on the entire system at the press of a button
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Set all keypads on the system to Lockout or Lockdown at the press of a button
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Mask all or selected door sense inputs on the system
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Sound buzzers or activate LEDs if any controller tamper input goes active
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Activate a Local Linkage procedure from a Global Linkage trigger
Global Linkage Examples
Global Linkage functionality is dependent on the controllers being connected to and com-
municating with the software. If the host PC is switched off or the connection to the con-
trollers is broken then Global Linkage functionality ceases.