... Ring,Design for industrial Level 4 standard. 3ONEDATA 8-port Web Managed Optical Industrial Ethernet Switch Introduction: IES608-4F is a type ... which support4 10/100M Ethernet ports(RJ45), 4 100M fiber ports, double power supply input and 1 route repay ... ,TelnetFlow control:IEEE802.3x, backpressure controlInterface:Fiber port:100Base-FX,SC/ST optional.Ethernet port:10Base-T/100Base-TX,RJ45, auto ...