If you need to config a Access Control Door Reader, here’s a general guide — the exact steps depend on your brand/system, but the core concepts are the same.
Ventoy is an open-source tool that lets you create a bootable USB drive where you can store multiple ISO files and boot any of them — no need to reflash the drive each time.
UPS NAT Mode refers to how a Network-attached UPS (Uninterruptible Power Supply) handles network address translation, but more commonly it refers to a setting found in UPS management software or network configurations — most likely you’re asking about one of these contexts.