The NAC-7003CP Four Door Control Panel (Version 2) has Wiegand/RS485 input format of reader. It has a capacity of 30,000 users. The control panel uses TCP/IP over Ethernet port for adaptive communication. 

• Multiple identification: Face, Password, Card and combination
• Weigand/RS485 input format of reader
• USB Flash drive Data Download 
• Supports all card reader with compatible protocol such as Motorola, HID, EM, Mifare, etc.
• A maximum capacity of 30,000 Users
• High Speed Memory, Records never lose