TOP ติดตั้ง ระบบ ACCESS CONTROL SECRETS

Top ติดตั้ง ระบบ access control Secrets

Some types of sub-controllers (commonly decrease cost) do not need the memory or processing ability for making access decisions independently. If the key controller fails, sub-controllers modify to degraded mode by which doors are either completely locked or unlocked, and no events are recorded. These types of sub-controllers ought to be avoided, o

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