This Gigabit Ethernet port module works in conjunction with LINDY"s Fully Managed SNMP 24 Port 10/100Base-TX + GIGA Expansion N-Way Switch (Part No. 25030). For establishing Gigabit Ethernet cable links Conforms to IEEE 802.3 10Base-T, 802.3u 100Base-TX, 802.3ab 1000Base-T, 802.3x Full-duplex Flow Control 2 x 10/100/1000Mbit/sec port (RJ-45 connectors) LED indicators for Link/Activity 3 year warranty