Jetstream 48 port gigabit smart switch with 4 sfp slots t1600g 52ts tl sg2452 v2 gigabit ethernet connections on all ports provide full speed of data transferring l2 feature static routing helps route internal traffic for more efficient use of network resources integrated security strategy including 8021q vlan port security and storm control help protect lan area investment l2l3l4 qos and igmp snooping optimize voice and video applications ipv6 support with dual ipv4ipv6 stack ml