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PoE, is it safe to plug into a normal computer?

PoE (Power over Ethernet), is it safe to plug into a normal computer? Will that damage the component?
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davidlu766
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davidlu766
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Lee W, MVPTechnology and Business Process AdvisorCommented:
You to plug a computer into a network switch that supports PoE?  Yes.  It should be fine.  Otherwise PoE switches would be only for very specialized devices (I have a client with Cisco switches that support PoE so that their VoIP systems don't need AC adapters. Some ports are connected to phones... others directly to computers and other switches.
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MysidiaCommented:
You should ensure correct wiring of your Ethernet cable, of course.

But yes, it's safe to plug a normal computer Ethernet card into a port that supports POE, whether EEE 802.3af   or (pre-standard) Cisco PoE.
And it is commonly done.

If the device does not support operation as a PoE powered device, additional voltage won't be negotiated.

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