IRS3008F4-BP-2AC 8GE+2SFP+4xOptical Bypass Rack-mount Industrial L3 Managed Ethernet Switch with Bypass support1 Description The IRS3008F4 BP 2AC is an industrial grade optical fiber bypass switch with built in 4 duplex LC connectors featuring optical bypass function. It automatically switches optic network traffic to prevent link failure during power loss. The optical fiber bypass switch can be used in critical and major optical networks where fiber link failures are not tolerated, such as in power substation, train and bus station, IP surveillance system,