Specifications include, but are not limited to: The Security Management System shall be the key central component for managing physical security access control. Specified doors (a total of 32) will need proximity readers and appropriate door hardware to provide access for authorized personnel. Other specified doors will need appropriate door hardware and control hardware to control access using an existing bell schedule software. ; All hardware must be compatible with current Lenel OnGuard access control software All site controllers, door controllers, input boards, and relay boards must be Mercury Security hardware All hardware must support an open architecture environment for future expansion of our access control system All functionality of existing door hardware must be maintained .