DC01-485 Single Door Controller 1. 1 door, 2 Readers; 20,000 Card Users 2. Wiegand 26 input 3. RS232/485, Anti-pass Back ... pcs (N denotes the q’ty of computer serial port, support 256pcs serial port) Operating temperature: -40 to 70 degrees Celsius Run ... Max distance between reader to the controller: 100 meters, suggest within 80 meters, Max distance for the bus line: 1200 m, suggest ...