Atrium is a modern access control system that allows you to manage access to a building. In other words, you determine who, where and when has access to (part of) the building. Such security solutions no longer work with ordinary locks and keys, but the end customer uses electronic access routes: by presenting badges or user cards to readers or control panels, access is granted to a specific area. -Can be set as main controller or extension module / -Management via PC software, web or autonomously -Built-in web server / -Wiegand & ABA Track II -Automatic detection of extensions / -Maximum number of readers: 2 -Can be set as main controller or extension module. / -Manages 2 doors / 2 readers -Built-in web server / -Pre-mounted universal power supply (120V / 240V) -Built-in Ethernet port with AES 256-bit encryption / -Automatic detection of expansion modules (no DIP switches) -Quick and easy user card learning mode / -6 multi-criteria inputs (12 provided zone-doubling) -Fully fuse-free system / -Up to 10. 000 users -Up to 10,000 cards / -Up to 25,000 events -Up to 100 vacations / -Up to 1. 000 access levels -Too 250 hourly schedules each supporting up to 100 recurring periods / -Calendar with leap year support (yyyy-mm-dd) -Time zone definition (full D.S.T. support) / -10 partitions per controller -Ultra-fast firmware update (less than 10 seconds) / -GRATISFREE Management Software -Wiegand & ABA Track II / -Maintenance-friendly plug-in connectors -LED status indicators / -Dimensions of board (H X W): 199 x 123.8 mm -Dimensions of housing (H x W x D): 290 x 280 x 80 mm