Dell PowerVault 720N Installation And Troubleshooting Manual page 57

The built-in 10/100BASE-T Ethernet connector has two LEDs, as shown in Figure 3-3.
Table 3-3 describes the LEDs for the built-in 10/100BASE-T Ethernet connector.
Top Green
Bottom Yellow
The filer supports a single-port 10/100BASE-T and a quad-port 10/100BASE-T Ethernet
card.
The single-port 10/100BASE-T Ethernet card has one connector and two LEDs, as
shown in Figure 3-4.
Ethernet connector
Green LED
Yellow LED
On—Ethernet connection is ready.
Off—No Ethernet connection is present.
On—Traffic is passing on the network.
Off—No traffic on the network.
Troubleshooting the Filer Hardware 3-5