Hello, what is ethernet transformer ? for what is it used?

 

Hello,

As far as I know this has to do woth Power over Ethernet.
See the attached PDF.

Bertus

 

Here is also some information. The ethernet transformer is used mostly to supress EMI and isolation (common mode/safety)
http://ww2.pulseeng.com/products/datasheets/EC100.pdf
http://ww2.pulseeng.com/products/datasheets/E104.pdf

 

Hi,
Yes, the Ethernet Transformer is mainly used for isolation which can help eliminate common-mode noise and safety issues, like lightning protection.
Regards,
Kamran Kazem