... for industrial Level 4 standard. 3ONEDATA 8-port Web Managed Optical Industrial Ethernet Switch Introduction: IES608-4F is a type of WEB ... .3x, backpressure controlInterface:Fiber port:100Base-FX,SC/ST optional.Ethernet port:10Base-T/100Base-TX,RJ45, auto flow control, full ... : 5yearsCE,FCC,RoHS,PAL,UL508 3ONEDATA 8-port Web Managed Optical Industrial Ethernet Switch