Johnson Controls Limited S321-DIN two door controller

• Make: Johnson Controls Limited
• Model code: S321-DIN
• Max No. of Doors per Controller: 2
• No of Cardholders: 30,000
• Voltage: 24 VDC

The S321-DIN Intelligent Controller incorporates advanced technology and flexible features to meet a wide range of security requirements. It uses standard RS-485 communications protocol and supports up to two doors per unit.