Dahua Technology ASC2202B-S 2-door 1-way access controller
An multi-functional access controller with a TCP/IP wired network interface
Applicable to industrial parks, office buildings, financial buildings, schools, factories, CBD, residential areas, governments, and more
TCP/IP communication
Two communication protocols: RS-485 and Wiegand (W26 and W34)
Holds 100,000 user and stores 500,000 card-swiping records
Supports interlock, group combination, anti-passback, remote unlock, and more
Supports card reader tamper alarm, intrusion alarm, door sensor, timeout alarm, duress alarm, illegal card exceeding threshold alarm, and incorrect password alarm
Supports built-in RTC, manual time synchronisation, and automatic time synchronisation
Support power-off memory protection and online upgrade
Support PoE power supply
Supports watchdog (a device that protects a system from software or hardware failures)