Dell R820 owner manual NIC Indicator Codes, NOTE The port is available for use only if the iDRAC7

Item	Indicator, Button, or	Icon	Description
	Connector
			NOTE: The port is available for use only if the iDRAC7
			Enterprise license is installed on your system.

8System identification connector

9System identification button

10 Power supply (PSU1)

Allows you to connect the optional system status indicator assembly through the optional cable management arm.

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 pressed, the LCD panel on the front and the system status indicator on the back flashes until one of the buttons is pressed again.

Press to toggle the system ID on and off. If the system stops responding 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 F2 iDRAC setup) press and hold the button for more than 15 seconds.

AC	750 W or 1100 W
Or
DC	1100 W (when available)

11	PCIe expansion card slots	Allows you to connect a PCI Express expansion card.
	(2)
12	Power supply (PSU2)	AC	750 W or 1100 W
		Or
		DC	1100 W (when available)

NIC Indicator Codes

Figure 5. NIC Indicator

1.link indicator

2.activity indicator

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