ECI Networks X2 Module - For Data Networking, Optical Network - 1 x 10GBaseECI Networks X2 Module For Data Networking, Optical Network 1 x 10GBase SR Network Optical Fiber Multi mode 10 Gigabit Ethernet 10GBase SR0. 30 km Maximum Distance" VPN: FG TRAN X2 10GSR ECISKU: AK7903CM UPC: Supports optical fiber cable for durable performance, minimal signal loss, and fast data transfers to greater distances Optimize the network's performance with 10 Gigabit Ethernet connectivity Typically used for short distance, multi mode fiber