Liberty from Viscount Systems of Burnaby, British Columbia, Canada, is a scalable IP access control system that does not require control panels. Each Liberty kit includes a Nano Cube Web server, a two-door IP Encryption Bridge, and two RFID readers. The system can be expanded by adding IP encryption bridges and readers. Optional accessories include input/output IP bridges for monitoring auxiliary doors, and IP bridges for controlling elevators. Each IP bridge can operate using 12-volt power or via power over Ethernet.