Ethernet unused pins

Can someone explain me why the 4 unused pins
on an Ethernet RJ45 connector (4,5,7 and 8) are
first tied together (4 with 5, 7 with 8) and then
connected via resistors to a cap.

Is this an EMI issue or am I missing something?

Thanks
- Rene

On Mon, 27 Sep 2004 19:57:50 +0200, "Rene" <spam@see5.ch> wrote:

>Can someone explain me why the 4 unused pins
>on an Ethernet RJ45 connector (4,5,7 and 8) are
>first tied together (4 with 5, 7 with 8) and then
>connected via resistors to a cap.
>
>Is this an EMI issue or am I missing something?
>
>Thanks
>- Rene
>
>

Google: "Bob Smith termination"

================================

Greg Neff
VP Engineering
*Microsym* Computers Inc.
greg@guesswhichwordgoeshere.com