The combination of inexpensive copper connections on 12 ports and TacBeam connectors on 2 or 4 ports make this one of the most cost-effective and easy-to-manage rugged 10 Gb Ethernet switch/routers on the market today. It supports Layer 2 and 3 network capabilities including VLANS, QoS, multicast routing (PIM) and dynamic routing (OSPF). More @Wikipedia
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