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11.3 Two devices interconnected – Single Door
Install one unit indoor and another outdoor, the indoor unit as a controller, the outdoor unit as a
reader. This has the following features:
•
Users can be enrolled on either device.
•
The information on the two devices can be communicated, so in this case the user capacity for
one door can be 20,000.
•
The setting of both devices must be the same. If the master codes were different, the user
enrolled in the outdoor unit can’t access from the inside.
•
Anti-passback mode can be enabled in host mode. Users must present card on the external
reader to enter and internal reader to exit every time, to ensure they enter and exit legally.
Users cannot enter or exit 2 times continuously.
