Just a small print: if you intended to use your cross over cable for 1000
Base-T as well (gigabit ethernet) then you have to cross all four pairs, not
just that two.

http://www.ertyu.org/steven_nikkel/ethernetcables.html

Tamas


On 23/07/06, Mat <list@piccoder.co.uk> wrote:
>
> Hi Stef,
>
> Ian did an article on how to build an Ethernet development board for the
> PIC's, you can find the wiring he used at
> http://www.piccoder.co.uk/content/view/39/26/
>
> Mat
>
>
> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf
> Of
> Stef Mientki
> Sent: 23 July 2006 09:07
> To: Microcontroller discussion list - Public.
> Subject: [PIC] Ethernet wiring ENC28J60 ?
>
> I just have done some tests with the ENC28J60 and an external loopback
> wire.
> Reading the errata (B2,7 and B4,7) and having trouble receiving my own
> packages,
> I discovered that the schematic at page 7 might not be correct.
>
> Because of the errata it's important to choose the right polarity.
>
> On the web I find most wiring schematics (numbers refer to RJ45 connector)
>    1 = T-
>    2 = T+
>    3 = R-
>    4 = R+
> As most of theses websites are meant for making these cables,
> I'm not sure wheter these websites are correct or page 7 of the
> ENC-manual is correct.
>
> Please can someone enlighten me.
>
> thanks,
> Stef Mientki
>
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