... Fiber Router Wireless Port WAN: 1*100Base optical Port LAN: 4*100BaseTX Single fiber, Dual fiber Optional RoHS Optical Fiber Router WirelessStandard: ... 3u,IEEE 802.3xProtocol: CSMA/CA,CSMA/CD,TCP/IP,ICMP,NAT,PPPoE, DHCP ,PPTP,UDP, NAT, ... ,DDNS,VPNPort LAN: 4*100BaseTX (Auto MDI/MDIX)Port WAN: 1*100Base optical (Auto MDI/MDIX)Cable: ... (the max distance up to 2km or 5km) Single-mode Fiber: 8/125,8.7/125, 9 ...