Dell R210 owner manual Back panels light blue until one

Item	Indicator, Button, or	Icon	Description
	Connector
3	Video connector		Connects a monitor to the system.
4	Hard drive activity		Lights up when the hard drive is in use.
	indicator
5	Diagnostic indicator		The four diagnostic indicator lights
	lights (4)		display error codes during system
			startup. See "Diagnostic Lights" on
			page 19.
6	System status		Lights blue during normal
	indicator		system operation.
			Lights amber when the system needs
			attention due to a problem.
7	System identification		The system identification buttons on
	button		the front and back panels can be used to
			locate a particular system within a rack.
			When one of the buttons is pushed, the
			system status indicators on the front and
			back panels light blue until one of the
			buttons is pushed again.
8	USB connectors (2)		Connects USB devices to the system.
			The ports are USB 2.0-compliant.
9	System identification		A slide-out panel for system information
	panel		including the Express Service Tag,
			embedded NIC MAC address, and
			iDRAC6 Enterprise card MAC address.
			Space is provided for an additional label.
10	Optical drive		One optional slim-line SATA
	(optional)		DVD-ROM drive or DVD+/-RW drive,
			or combination CD-RW/DVD drive
			(when available).

NOTE: DVD devices are data only.

About Your System

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