Access Controller Supports 8-door control. It is formed by 2 DS-K2M002X access modules, and one 4-doors access controller Access controller: downstream RS-485 redundancy wiring design to ensure communication stability. 5-ch downlink RS-485 interface supports two applications: 1. When 4-ch RS-485 communication, the 5th RS-485 can be used as a redundant application; 2. 4-ch RS-485 forms 2 groups of dual-bus loops with physical isolation. It is recommended that you do not have more than 16 access modules attached to each loop bus. Access Module: supports 8-ch RS-485 interface for card reader connecting Web configuration management. All configurations can be realized via web without software application Supports professional access control applications such as multi-door interlocking and anti-passback Supports backup battery access. Charging and discharging are available It has status indicators such as power supply, communication and operation, which is convenient for equipment health detection Datasheet System Parameters Operating System Linux Network Wired Network: 1, 10/100/1000 Mbps self-adaptive Interface Network Interface: 1 Lock Control: 8 (4 on access controller, 4 on access modules) Note: The cabinet contains 1 DS-K2704X(P) access controller and 2 DS-K2M002X access modules. Exit Button: 8 (4 on access controller, 4 on access modules) Note: The cabinet contains 1 DS-K2704X(P) access controller and 2 DS-K2M002X access modules. Door Contact Input: 8 (4 on access controller, 4 on access modules) Note: The cabinet contains 1 DS-K2704X(P) access controller and 2 DS-K2M002X access modules. Alarm Input: 16 (8 on access controller, 8 on access modules) Note: The cabinet contains 1 DS-K2704X(P) access controller and 2 DS-K2M002X access modules. Alarm Output: 8 (4 on access controller, 4 on access modules) Note: The cabinet contains 1 DS-K2704X(P) access controller and 2 DS-K2M002X access modules. Tamper: 1 RS-485: 15 (7 on access controller, 8 on access modules) Access Controller: 2 for card readers 5 for access modules (4 for communication, each interface can connect up to 16 access modules; 1 for redundancy) Access Modules: 4 for card readers 4 for access controller Wiegand: 8 (4 on access controller, 4 on access modules) Note: The cabinet contains 1 DS-K2704X(P) access controller and 2 DS-K2M002X access modules. USB: 1 (USB 2.0) Fire Interface: 1 Capacity User Capacity: 100,000 Fingerprint Capacity: 10,000 Card Capacity: 200,000 Event Capacity: 600,000 Linked Door Capacity: 8 (4 on access controller, 4 on access modules) Linked Card Reader Capacity: 16 RS-485 card readers (OSDP protocol): 8 on access controller 8 on access modules (4 for each) 8 Wiegand card readers: 4 on access controller 4 on access modules Authentication Fingerprint Recognition Duration: < 1 s General Indicator: DS-K2704X(P): 12 indicators 1 for power status 1 for running status 1 for wired network status 5 for RS-485 status 4 for door status DS-K2M002X: 6 indicators 1 for power status 1 for running status 2 for RS-485 status 2 for door status Battery: Charge and discharge Power Supply: 100 VAC to 240 VAC Power Consumption: ≤ 200 W Working Temperature: -10 °C to 55 °C (14 °F to 131 °F) Working Humidity: 0% to 90% (Non-condensing) Installation: Wall mounting Language Support English, Thai, Traditional Chinese, Indonesian, Vietnamese, Arabic, Spanish (Europe), Spanish (South America), Italian, French, Dutch, Russian, Ukrainian, Portuguese (Europe), Portuguese (Brazil), Serbian, Croatian, Bulgarian, German, Greek, Romanian Functionality Configuration via Web Browser: Supported Multi-Factor Authentication: Supported First Person In: Supported Anti-Passback: Supported (32 routes, 64 card readers each) Multi-Door Interlocking: Supported (32 groups, 32 doors each)