•  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