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Power over ethernet
18 years 2 weeks ago #18767
by Vilasini
Power over ethernet was created by Vilasini
What is the power(voltage) over ethernet(CSMA/CD) when the media is idle & also when it is transmitting?
18 years 2 weeks ago #18773
by DaLight
Replied by DaLight on topic Re: Power over ethernet
From the spec, the nominal voltage and power values are 48V and 13W respectively. I don't think transmission states are going to affect the power usage as much as the power drawn by the "Powered Device". Check out this
link
for more info.
18 years 2 weeks ago #18788
by TheBishop
Replied by TheBishop on topic Re: Power over ethernet
Do you mean on the actual Ethernet cable Vilasini, or do you mean the power/voltage of the equipment as Dalight has explained?
18 years 2 weeks ago #18808
by Vilasini
Replied by Vilasini on topic Re: Power over ethernet
I meant the actual ethernet cable when the data is travelling & when the media is idle.
18 years 2 weeks ago #18815
by TheBishop
Replied by TheBishop on topic Re: Power over ethernet
Thought so. I have that information in an old Ethernet training course. It'll take me a little while to dig it out
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