Owners Manual

Rear view of the system
Figure 3. Rear view of the system
1. PCIe expansion card slot 1 2. PCIe expansion card slot 2
NOTE: This slot is dedicated for BOSS card.
3. PCIe expansion card slot 3 4. Power supply unit (PSU 1)
5. Power supply unit (PSU 2) 6. Ethernet connectors (4)
7. USB connectors (2) 8. Video connector
9. Serial connector 10. iDRAC Enterprise port
11. NMI button 12. System identification button
NIC indicator codes
Each NIC on the back of the system has indicators that provide information about the activity and link status. The activity LED
indicator indicates if data is flowing through the NIC, and the link LED indicator indicates the speed of the connected network.
Figure 4. NIC indicator codes
1. Link LED indicator
2. Activity LED indicator
Table 3. NIC indicator codes
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.
Dell EMC PowerEdge C4140 system overview 9