... 485,USB,card reader, multi-functions keys and has access control connectivity for Wigand-out, Door lock connection, Alarm Clock, Exit switch ... with good performance. T3-B -time attendance and door access control system RS232, TCP/IP, USB, Embedded alarm clock, EM card ... various systems. . Alarm clock function for giving the correct time for On and Off. . Be equipped with system of calendar which is on ...