The tl sl3428 244g gigabit uplink managed switch fully complies with ieee 80238023u8023ab8023z ethernet standards it provides 24 10100mbps and 2 101001000mbps utpstp rj45 ports with auto mdimdix and 2 sfp independence expansion slots supporting minigbic modules it also provides powerful management functions including the system port network spanning tree protocol ieee 8021x protocol vlan trunk igmp snooping snmp protocol priority and security the tl sl3428 switch pr