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Re: RJ45 connector!




The RJ45 connector with built in transformer and filter is a standard
part. There are several different manufacturers making such combined
connectors/transformers/filters.

There are devices with different turn ratios on the transformer. This 
must be matched with the selected transceiver. For the Broadcom chip
used on the dev. board the turn ratio is 1:1.  

If you run the Ethernet without the transformer/filter, it is very
likely to not work. 

Per Zander                      email: per.zander@xxxxxxx.com