A. hotel lock System: ONLENSE lock, computer, management software, Encoder, T5557card or Mifare one card, energy saving switch ... A. HOTEL LOCK System ConstructionONLENSE set of locks, computer, management software, Encoder, T5557card or Mifare card, energy saving switch.B. ... Password control: System password and operating password together to ensure security.3. Cipher coding to key card: Each card has ...