Dell H7228 manual Network jack Modem jack

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1	parallel connector	Connect a parallel device, such as a printer, to the parallel connector. If you have a USB
		printer, plug it into a USB connector.
2	mouse connector	Plug a standard mouse into the green mouse connector. Turn off the computer and any
		attached devices before you connect a mouse to the computer. If you have a USB
		mouse, plug it into a USB connector.
3	surround connector	Use the black surround connector to attach multichannel-capable speakers.
		(On computers with a sound card, use the connector on the card.)
4	line-out connector	Use the green line-out connector to attach headphones and most speakers with
		integrated amplifiers.
		(On computers with a sound card, use the connector on the card.)
5	line-in connector	Use the blue line-in connector to attach a record/playback device such as a cassette
		player, CD player, or VCR.
		(On computers with a sound card, use the connector on the card.)
6	network adapter	To attach your computer to a network or modem, connect one end of a network cable
	connector	to either a network jack or your network device. Connect the other end of the network
		cable to the network adapter connector on the back panel of your computer. A click
		indicates that the network cable has been securely attached.

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.

		network jack	modem jack
7	optional video card	Plug the cable from your monitor into the video card connector.
	connector	(This feature is only available on computers with an optional video card.)
8	modem connectors (2)	Use the modem connector to connect your computer to the Internet.
9	power connector	Insert the power cable.
10	voltage selection switch	Your computer is equipped with either an auto-sensing voltage selector or a manual
	(may not be available on	voltage selection switch. See the safety instructions information in your Product
	all computers)	Information Guide for more information.
11	IEEE 1394 connector	Attach high-speed serial multimedia devices, such as digital video cameras.
		(This feature is only available on computers with an optional IEEE 1394 connector.)

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