... ) TCP/IP communication. 3) Software easy to use. Intelligent Four-door Access Control Panel (Model No: ACM-04) Features :1 ... features: expiry date for clubs, automatic activation, interlock between two doors, time zones, supervision, anti-pass back, activity reports...3. ... works independently and keeps its own database.5. Visual LEDS (Four lights: Red, Green, Blue, Orange) indicate the inputs, outputs ...