Description XH-OSW-1X4 optical switch is an optical path control device, which has the role of controlling the optical path and converting the optical path. It has an important role in optical communication applica-tions. The optical switch is mainly used in optical transmission system for multiple optical monitoring, LAN multi-source/detector automatic switching and optical sensing multi-point dynamic monitoring system optical test system for optical fiber, optical devices, network and field engineering optical cable testing; optical device installation and adjustment Featuresâ?? Low insertion loss, wide wavelength range â?? Low channel crosstalk, high stability, high reliability â??Proprietary technology, no glue in the optical path â??Locking and non-locking control types are available