Dell PowerEdge T20 Owner's Manual

NIC Indicator Codes

Figure 1. NIC Indicator Codes The figure shows NIC indicator codes.

Indicator: Indicator Code
Link integrity light on integrated network adapter: Green — a good 10 Mbps connection exists between the network and the system.; Green — a good 100 Mbps connection exists between the network and the system.; Orange — a good 1000 Mbps connection exists between the network and the system.; Off (no light) — the system is not detecting a physical connection to the network.
Network activity light on integrated network adapter: Yellow light — A blinking yellow light indicates that network activity is present.