Users Guide

Table Of Contents
NIC indicator codes
Each NIC on the back panel has indicators that provide information about the activity and link status. The activity LED indicator
indicates if data is flowing through NIC, and the link LED indicator indicates the speed of the connected network.
Figure 3. NIC indicators
1. Link LED indicator
2. Activity LED indicator
Table 6. NIC indicators
Status Condition
Link and activity indicators are off The NIC is not connected to the network.
Link indicator is green and activity indicator is blinking
green
The NIC is connected to a valid network at its maximum port speed
and data is being sent or received.
Link indicator is amber and activity indicator is blinking
green
The NIC is connected to a valid network at less than its maximum
port speed and data is being sent or received.
Link indicator is green and activity indicator is off The NIC is connected to a valid network at its maximum port speed
and data is not being sent or received.
Link indicator is amber and activity indicator is off The NIC is connected to a valid network at less than its maximum
port speed and data is not being sent or received.
Link indicator is blinking green and activity is off NIC identify is enabled through the NIC configuration utility.
Power supply unit indicator codes
AC power supply units (PSUs) have an illuminated translucent handle that serves as an indicator and DC PSUs have an LED that
serves as an indicator. The indicator shows whether power is present or a power fault has occurred.
Figure 4. AC PSU status indicator
1. AC PSU status indicator or handle
Table 7. AC PSU status indicator
Power indicator codes Condition
Green A valid power source is connected to the PSU and the PSU is operational.
Blinking amber Indicates a problem with the PSU.
Not illuminated Power is not connected.
Diagnostic indicators 13