Hellow guys, Welcome to my website, and you are watching How an OTDR Really Works: Fiber Optics Explained Simply #otdr #pentascanner #techfacts #opticfiber. and this vIdeo is uploaded by Piyush Prasoon at 2025-12-09T10:30:27-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.