Datasheet ATRIUM/ A22 - 2 door controller The A22 is a 2-door controller part of the ATRIUM product range. The flexibility of the ATRIUM system allows it to control up to 500 doors. The A22 has a built in web browser, an integral power supply and includes an RS485 communication bus with automatic detection (no risk of errors due to lack of jumpers or DIP switches). The “quick start-up” programming cards allow for easy and fast programming. The A22 is delivered and built in a metal case with tamper for increased security while providing ample room to make connections. Key features • Control 2 doors or 2 readers 1 Door Read In/Out or 2 Doors Read In Only • Area capacity management for social distancting • Metal cased with tamper for security • Built in web-server, PSU and battery charger • Includes free software & free app • Up to 500 doors, 10,000 users & cards Unit B1 Knaves Beech Business Centre, Davies Way, Loudwater, High Wycombe HP10 9QR YEAR WARRANTY All the information contained within this document (pictures, drawing, features, dimensions, specifications), could be percebtibly different and can be changed without prior notice. - February 2020 - CDVI_A22_DS_02_EN_A4_C

Communication On-board Ethernet: A22 to A22 (max 50 IP-IP) Bus: RS-485 A22 (max 4 per A22) Auto: detect hardware modules (No DIP Switches) Reader Support 26, 30 & 44 Bit Wiegand format Track 2 ABA Reader & Keypad (Card & PIN) All CDVI Readers 3rd Party if compatible 128 bit Universal Input Input Specifications Reader inputs/ports: 2 Multi-purpose inputs: 6 (12 using zone doubling) Output Specifications Auxiliary outputs: 1A (12Vdc) Fuseless protection Lock outputs: 2 x (750mA @ 12Vdc) Relay outputs: 2 x Form C relays (Dry Contact) 5A @ 250Vac, 7A @ 125Vac, 7A @ 30Vdc Electrical Specifications...