Dell PowerEdge R520 Owner's Manual

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Back-Panel Features And Indicators

Figure 1. Back-Panel Features and Indicators—Redundant Power Supply Unit Chassis The figure shows back panel features of a redundant power supply unit system.

The figure shows back panel features of a redundant power supply unit system.

Figure 2. Back-Panel Features and Indicators—Non-Redundant Power Supply Unit Chassis The figure shows back panel features of a non-redundant power supply unit system.

The figure shows back panel features of a non-redundant power supply unit system.

Item	Indicator, Button, or Connector	Icon	Description
1	PCIe expansion card slot 1		Connects a PCI Express expansion card.
2	vFlash media card slot (Optional)		Allows you to insert a vFlash media card.
3	iDRAC port (Optional)		Dedicated management port for the iDRAC Ports Card.
4	PCIe expansion card slots (3)		Connects a PCI Express expansion card.
5	Serial connector		Connects a serial device to the system.
6	Video connector		Connects a VGA display to the system.
7	Ethernet connectors (2)		Integrated 10/100/1000 Mbps NIC connector Integrated 100 Mbps/1 Gbps/10 Gbps SFP+ connector
8	USB connectors (2)		Connect USB devices to the system. The ports are USB 2.0-compliant.
9	System identification connector		Connects the optional system status indicator assembly through the optional cable management arm.
10	System identification button		The identification buttons on the front and back panels can be used to locate a particular system within a rack. When one of these buttons is pushed, the LCD panel on the front and the system status indicator on the back blink until one of the buttons is pushed again. Press to toggle the system ID on and off. If the system hangs during POST, press and hold the system ID button for more than five seconds to enter BIOS progress mode. To reset the iDRAC (if not disabled in System Setup) press and hold for more than 15 seconds.
11	Power supply		AC 495 W, 750 W, 1100 W or 550 W (non-redundant), Or DC 750 W or 1100 W