Method and apparatus for monitoring optical switches

摘要

An optical switching apparatus is provided. Generally, a plurality of optical input switches is provided. A plurality of optical output switches is provided. A plurality of central optical switches connected between the plurality of input switches and plurality of output switches is provided. A plurality of test light sources, where each test light source is connected to an optical input switch, is provided. A first plurality of optical detectors connected to the optical output switches is provided.