詳細規格及用途描述

•2 RS-485 serial ports each port supports 8 readers
•2 Wiegand ports which allow connecting to 2 WG readers
•Supports up to 16 doors each unit and allows linking up to 254 units
•Data retains over 60 days when power failure
•Open-all-doors function when emergency
•Built-in watchdog to prevent the system from halting
•Built-in Ethernet interface for LAN or WAN networking
•Built-in power and RS-485 transmission LED indicator for signal state.
•Multi-door anti-pass-back