4x10/100/1000M RJ45 +48 SFP support 1-4 port 10Gigabit of expansion support IP ACL, MAC ACL, VLAN ... mouth with flexible response networks demand. Main featuresRich port type, flexible port expansionWith the application of 10gb server network popularization, ... At the same time provides various gigabit port, 24 port gigabit Optical or electric , and 48 port gigabit Optical or electric , can satisfy ...