Dell PowerEdge SC1420 - Manual (Page 9)

Back-Panel Features
Figure 1 -2 shows the back-panel features of the system. Figure 1 -3 and Table 1 -2 provide information about NIC indicators. For more information about back-
panel indicators, see your Installation and Troubleshooting Guide.
Figure 1-2. Back-Panel Features
Figure 1-3. NIC Indicators
Table 1-2. NIC Indicators
System Features
Your system offers the following features:
l One or two Intel® Xeon™ processor(s) with a minimum clock speed of at least 2.8 GHz, and front-side bus speed of at least 800 MHz and at least 1 MB
(4)
Indicator Normal Operation Error Condition
Link Green indicates that a 10-Mbps network connection exists.
Orange indicates that a 100-Mbps network connection exists.
Yellow indicates that a 1-Gbps (or 1000 Mbps) network connection
exists.
Off indicates that the NIC is not detecting a physical connection to the
network.
Activity Flashing or steady yellow indicates that the NIC is transmitting or
receiving network data.
When off at the same time that the link indicator is off, the NIC is not
connected to the network.
NOTE: If the NIC is disabled in System Setup, both the link and activity indicators will be "off" regardless of whether an active network connection is
present.