
Chapter 2: Architectural Overview
2 – 3
Notes
NT500 sample applications
With the use of the NT500 System software, three basic
access schemes can be developed. These include:
1) An offline system in which only the battery operated elec-
tronic lock's built in memory and/or door controllers
(AC512B), along with NT500 System software are used.
Access is defined in the NT500 System software, while events
are recorded in the electronic lock’s built in memory and/or
door controllers. Such a system enables the administrator to
take lock programming to the physical doors and to retrieve
events from the locks.
2) An online system in which the door controllers (AC512IPB
or AC512B) are used along with the NT500 System software.
This enables the administrator to program the physical doors
and to retrieve events from the locks while from a desktop
computer. (The use of a two door controller (AC512IPB or
AC512B) allows the control of magnetic locks, electric strikes,
electric locks and other electric devices.)
3) A hybrid system with both online and offline functionality.
Figure 2.1 Applications of NT500
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