The TX3-ER-8-B Elevator Restriction Unit comes complete with a cabinet, the main Elevator Restriction controller board, the Elevator backplane and one TX3-PS24-5A transformer. The TX3-ER-8-B supports up to eight Elevator Restriction Relay Cards for a total of 96 elevator restriction relays/floors. The Elevator Restriction Unit is featured with both standard and advanced features like: Restrict visitors/residents building floor access Fully customizable Floor Groups to provide users access to single or a group of floors Custom scheduling for a single or a group of relays Manual controls for high traffic buildings (coming soon) Real-time elevator relay status (coming soon)