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Access Controller: GHT-1/2/4 GHP-1/2/4 RS485 or TCP/IP single/double/four doors controller: Features:1) Master card setting function provides: a) Large memory storage for up to 13,000 badges b) Broken door detection function, micro switch designed to protect reader case damage c) Door-not-closed detection function, and 8 sets for door-continue-open functions d) Provides four relay outputs for using two alarms and two door locks e) Door-open option: smart card, pin code, card and pin code f) Enforces access code functions in emergencies, auto dialing the management center in real-time when door is opened by force g) Separate controller and reader for added safety h) Stand-alone or online with PC, which can be connected to with up to 255 sets i) Provides dual access control function j) Identification types: card, card + password, numerical password, double cards, free pass k) Max. pass time: 16 l) Adjustable time zone function for each card 2) Hardware: a) Input interface: 2 b) Input device: 6 sensors (2 for push-button, 2 for door, 2 for case) c) Output device: 4 relays (2 for door, 2 for alarm) d) Keypad: provided by readers e) Memory: 128K f) Storage capacity: 5,000 cards, 8,000 records g) Communication interface: RS-485 h) Operating voltage: 12V DC, 200mA i) Power consumption: 2.5W maximum