OBP 1:1 Mode Optical Bypass Protection Switching System with Monitoring Function for the Safety of Network Transmission OTS3000-OBP is a kind of function card in optical communication integrated platform. Optical Bypass Protection System (OBP) is a kind of optical switch system which can bypass fault node in optical transmission network to avoid breakdown of whole network communication when there is power interruption, hardware failure, software deadlock, etc. It can automatically switch by detecting the node’s optical power or signal failure. OBP is mainly used to protect the flow control and RPT equipment. https://www.glsunmall.com/product/ots3000-obp-optical-bypass-protection-system.html