from web site
Real audit data from a 300-camera enterprise CCTV network — 34 silent failures found before camera health monitoring system was deployed. None had triggered an alert on the standard NVR dashboard.

Covers CHMS dashboard setup, CCTV network monitoring at device level, remote camera health check via mobile, and how security camera system health monitoring improves AI analytics accuracy downstream:
Worth reading if you run multi-site video analytics deployments.