Features • Supports alarm output when device is disconnected • 2*WG Engress DI+2 WG Door Sensor DI+1 DI support Open All Doors function in case of emergency • Data and timer can be kept for 60 days after power down Builtin power and data transmission LED indicators for debugging and status • 63 Time Zones can be set up holidays and levels, and combine with other time zones • Each user can be set to allow to enter/exit assigned doors with 16 sets antipassback function • Alternative door group control selection:cluster door group or individual door group • With 3 replay outputs • Supports Wiegand and RS485 reader interfaces, for 14+2 door control (two RS485 ports for 14 RS485 readers; two WG ports for 2 • WG readers) • AR721EiV2 is built with network card,for connecting to LAN or internet