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Figure 10. Back view of the rack configuration
1. PCIe expansion card slots
3. VGA port
5. iDRAC9 dedicated network port
7. PCIe expansion card slots
9. NIC port (2)
11. USB 3.0 port (4)
13. Left external fan (available only with GPGPU configuration)
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 11. NIC indicator codes
1. link LED indicator
2. activity LED indicator
Table 6. NIC indicator codes
Status
Link and activity indicators are off
2. System ID button/indicator
4. Serial port
6. USB 2.0 port (2)
8. Right external fan (available only with GPGPU configuration)
10. System Identification connector
12. Power supply unit (2)
Condition
The NIC is not connected to the network.
Dell EMC PowerEdge T640 overview
17
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