that supports ONVIF auto-detection, 8K video verification, and built-in 48V PoE to power cameras directly. WANLUTECH CCTV Tester

If a Video Management System (VMS) shows a camera as "Offline," run the scan tool. If the tool finds the camera but the VMS does not, the issue is likely a credential error or a blocked port. If the tool cannot find the camera, the issue is likely physical (cabling/power) or the camera has suffered a hardware failure.

Even with the best tool, users make errors. Avoid these: