... 10/100M Ethernet ports(RJ45), 4 100M fiber ports, double power supply input and 1 route repay output. It supports SW-Ring ... network. What's more, IES608-4F supports several network managements, such as 802.1QVLAN, QoS, IGMP, port trunking and port mirroring. It ... .3x, backpressure controlInterface:Fiber port:100Base-FX,SC/ST optional.Ethernet port:10Base-T/100Base-TX,RJ45, auto flow control, full ...