On Mon, May 4, 2009 at 10:04 AM, solarwind <x.solarwind.x@gmail.com> wrote:
> On Sun, May 3, 2009 at 9:41 PM, Xiaofan Chen <xiaofanc@gmail.com> wrote:
>> Buy a US$10 switch. ;-)
>
> What do you mean? An ethernet switch? Those work with CAN?

Only for Ethernet.

>> CAN and RS485 support multi-drop. Ethernet Physical layer does not
>> seem to support multi-drop.
>> http://www.bb-elec.com/tech_articles/rs422_485_app_note/overview.asp
>
> What is multi drop?

This one is very good. Page 17 is the explanation about Point to Point,
Multi-drop and multi-point.
http://focus.ti.com/lit/an/slla067a/slla067a.pdf


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