Redundant PSU back panel featuresFigure 7. Redundant PSU back panel features1. Serial connector 2. Ethernet connector 13. vFlash card slot (optional) 4. iDRAC port (optional)5. PCIe expansion card slots (2) 6. Video connector7. Ethernet connector 2 8. USB connector9. USB connector 10. System identification button11. System identification connector 12. Ethernet connector 313. Ethernet connector 4 14. Power supply unit (PSU1 and PSU2)Table 6. Redundant PSU back panel featuresItem Indicator, Button, orConnector Icon Description1 Serial connector Use the serial port to connect a serial device to thesystem. For more information about the supportedserial port, see the Technical specifications section.2 Ethernet port 1 Use the Ethernet port to connect Local AreaNetworks (LANs) to the system. For moreinformation about the supported Ethernet ports,see the Technical specifications section.3 vFlash card slot(optional)Use the vFlash media card slot to insert a vFlashmedia card.4 iDRAC port (optional) Use the iDRAC8 Enterprise port to remotely accessiDRAC. For more information, see the IntegratedDell Remote Access Controller User’s Guide atDell.com/idracmanuals.5 PCIe expansion cardslots (2)Enables you to connect two PCI Express expansioncards.6 Video connector Use the video/VGA port to connect a display to thesystem. For more information about the supported20