Dell PowerVault 720N Installation And Troubleshooting Manual page 60

3-8 Dell PowerVault 720N, 740N, and 760N Installation and Troubleshooting Guide
The GB Ethernet card has one fibre-optic connector and two LEDs, as shown in
Figure 3-6.
Network Yellow
activity
Link status Green
The filer has a single-port, wide differential SCSI adapter for tape backup on the back
panel. This adapter has no LEDS.
GB Ethernet card
On—The network is active
Off—The network is not active
On—The link is operating properly
Off—The link has failed