What Is an Optical Time Domain Reflectometer (OTDR) and How Does It Work?

What Is an Optical Time Domain Reflectometer (OTDR) and How Does It Work? I meet two kinds of teams. The first group only trusts a light source and power meter because “that’s what we’ve always used.” The second group knows those Tier-1 tools certify end-to-end loss, but they switch to an OTDR when they need […]