XH-OSW-4-8 mechanical optical switch is a kind of light path control equipment. It can realize multi-channel fiber optic light path switching. In the optical fiber transmission system, it is used for multi-channel fiber monitoring, multi light source/detector selection, and optical fiber path protection etc. Besides, it is also used in optical fiber test system for optical fiber and related component test, outdoor cable test and multi-spot optical sensors monitoring system. Feratures Low Loss and High Reliability Serial Interface (RS-232) Modularized Design Epoxy-free on Optical Path Applications Ring Network â?¢Remote Monitoring in Optical Network Testing of FiberOptical Component Specifications Parameter Parameter Values Model XH-OSW-4X8-N Insertion Loss 1.5 dB Wavelength Range 1260~1650 nm Fiber Type 9/125um Return Loss 50 dB Crosstalk 55 dB PDL 0.10 dB WDL 0.30 dB TDL 0.30 dB Repeatability 0.05 dB Lifetime >107 Switching Time 20 ms Adjacent channel Connector LC/UPC Control Mode RS-232 Working Power Supply 5V/800 mA Product Sze 135x64x32 Operating Temperature -20 to +70 Operating Temperature -40 to +85