Specifications ELEVATOR CONTROLLER - EC-20M Control floors : 20 floors Card qty supported : 20,000 cards Storage: 100,000 records (records kept even power off) Communication method : TCP/IP Input : one reader or other biometric devices with wiegand 26 bits/34 bits PCB size : 164*106mm Fire signal input: 1 line Power supply : DC 12V (Professional access power supply of item DY12 is recommended) Supporting software : working with eSSL access management software, all-in-one solutions (access control, Elevator, etc.) EXTENSION BOARD - EC-20K Support with EC20M elevator controller, one EC-20M elevator controller mostly can work with 2 EC-20K Extension Board Output : 20 lines for each extension board PCB board size : 219*115mm Supporting software : working with eSSL access management software, all-in-one solutions (access control, Elevator, etc.)