Dell PowerEdge T40 EMC Installation and Service Manual - Page 87

NIC indicator codes, Power supply unit Built-in Self Test

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NIC indicator codes Each NIC on the back panel has an indicator that provides information about the network activity and link status. The activity LED indicates whether the NIC is currently connected or not. The link LED indicates the speed of the connected network. Figure 58. NIC indicators 1. link indicator 2. activity indicator Table 41. NIC indicators Convention A B Status Link and activity indicators are off Link indicator is green C Link indicator is orange D Activity indicator is flashing yellow Condition The NIC is not connected to the network. The NIC is connected to a valid network at 10 Mbps or 100 Mbps port speed. The NIC is connected to a valid network at 1000 Mbps port speed. Network data is being sent or received. Power supply unit Built-in Self Test PowerEdge T40 supports a power supply unit Built-in Self Test (BIST). Steps 1. Turn off your server. 2. Disconnect the power cord from the power supply unit, and wait for 15 seconds. 3. After 15 seconds, connect the power cord back to the PSU 4. Press the PSU BIST button. • If the LED turns on and remains on while the BIST button is pressed, it indicates that the power supply unit is functional. Continue with troubleshooting steps for other devices. • If the LED does not turn on, it indicates PSU failure. System diagnostics and indicator codes 87

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NIC indicator codes
Each NIC on the back panel has an indicator that provides information about the network activity and link status. The activity LED
indicates whether the NIC is currently connected or not. The link LED indicates the speed of the connected network.
Figure 58. NIC indicators
1.
link indicator
2.
activity indicator
Table 41. NIC indicators
Convention
Status
Condition
A
Link and activity indicators are off
The NIC is not connected to the network.
B
Link indicator is green
The NIC is connected to a valid network at 10 Mbps or 100
Mbps port speed.
C
Link indicator is orange
The NIC is connected to a valid network at 1000 Mbps port
speed.
D
Activity indicator is flashing yellow
Network data is being sent or received.
Power supply unit Built-in Self Test
PowerEdge T40 supports a power supply unit Built-in Self Test (BIST).
Steps
1.
Turn off your server.
2.
Disconnect the power cord from the power supply unit, and wait for 15 seconds.
3.
After 15 seconds, connect the power cord back to the PSU
4.
Press the PSU BIST button.
•
If the LED turns on and remains on while the BIST button is pressed, it indicates that the power supply unit is functional. Continue
with troubleshooting steps for other devices.
•
If the LED does not turn on, it indicates PSU failure.
System diagnostics and indicator codes
87