Hardware Owner's Manual

14 About Your System
NIC Indicator Codes
Each NIC on the back panel has an indicator that provides information on network activity and link
status. See Figure 1-3. Table 1-4 lists the NIC indicator codes.
Figure 1-3. NIC Indicators
Diagnostics Indicator Codes
The four diagnostic indicator lights on the system front panel display error codes during system startup.
Table 1-5 lists the causes and possible corrective actions associated with these codes. A highlighted circle
indicates the light is on; a non-highlighted circle indicates the light is off.
NOTE: Once the system completes POST, all diagnostic lights will be OFF.
Table 1-3. Power Button Indicators
Indicator Function
On Indicates that power is supplied to the system and the system is operational.
Off Indicates that no power is supplied to the system.
1 link indicator 2 activity indicator
Table 1-4. NIC Indicator Codes
Indicator Indicator Code
Link and activity indicators are off The NIC is not connected to the network.
Link indicator is green The NIC is connected to a valid link partner on the network.
Activity indicator is amber blinking Network data is being sent or received.
1
2