Dell DCSM specifications Back View of Computer, Lights

10	microphone	Use the microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony
	connector	program.
11	diagnostic lights	Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more information, see "Diagnostic
	(4)	Lights."
12	Service Tag	Used to identify your computer when you access the Dell Support website or call technical support.

Back View of Computer

1	power	Insert the power cable.
	connector
2	sound card	• Line-in connector — Use the blue line-in connector to attach a
	connectors	record/playback device such as a cassette player, CD player, or VCR.
	(5)	• Line-out connector — Use the green line-out connector to attach
		headphones and most speakers with integrated amplifiers.
		• Microphone connector — Use the pink microphone connector to
		attach a personal computer microphone for voice or musical input
		into a sound or telephony program.
		• Surround connector — Use the black surround connector to attach
		multichannel-capable speakers.
		• Center/subwoofer connector — Use the yellow subwoofer connector
		to attach multiple speakers.
3	USB 2.0	Use the back USB connectors for devices that typically remain connected,
	connectors	such as printers, keyboards, or for bootable USB devices.
	(5)
		It is recommended that you use the front USB connectors for devices that
		you connect occasionally, such as joysticks or cameras.
4	network	To attach your computer to a network or broadband device, connect one
	adapter	end of a network cable to either a network jack or your network or
	connector	broadband device. Connect the other end of the network cable to the
		network adapter connector on your computer. A click indicates that the
		network cable has been securely attached.
		NOTE: Do not plug a telephone cable into the network connector.
		On computers with a network connector card, use the connector on the
		card.
		It is recommended that you use Category 5 wiring and connectors for your
		network. If you must use Category 3 wiring, force the network speed to 10
		Mbps to ensure reliable operation.
5	VGA video	If your monitor has a VGA connector, plug it into the VGA connector on the
	connector	computer.
6	serial	Connect a serial device, such as a handheld device, to the serial port. The
	connector	default designations are COM1 for serial connector 1 and COM2 for serial
		connector 2.
		For more information, see "System Setup" options.
7	parallel	Connect a parallel device, such as a printer, to the parallel connector. If