Network Interfaces The Ethernet interfaces have standard RJ45 connectors. The first two interfaces are labeled 0/WAN and 1/LAN. Interface 0 supports 2.5 Gbps and 10/100/1000 Mbps Interfaces 1 to 4 support 10/100/1000 Mbps Left indicator (Activity) — The left LED indicator on the interface port flashes yellow to indicate network activity. The flashing speed increases as the data sent or received increases. Right indicator (Connection) — The right LED indicator on the interface port indicates the connection status