DS-K2602T(main board)

main board Dimensions?236 mm × 185 mm × 37 mm (9.3" × 7.3" × 1.5") Double-door Access Controller, Storage with 100,000 cards and 300,000 access control events. Uplink Communication: TCP/IP ?ISUP5.0 and RS-485; ISAPI?OSDP Accessible Card Reader: 4 Wiegand readers or 4 RS485 readers; Input interface: 4 alarm input, Door Sensor×2, Door Switch×2, Case Input×4, Fire Alarm Linkage×1, Tamper-proof×1; Output interface: Door Switch Relay×2, Alarm Relay×2.