On 24/09/2010 08:06, RussellMc wrote:
>
> There are historically numerous systems which derive slaves' addresses
> by polling and random duration backoff on collision algorithms, or
> which even assign addresses to unruly addressless rabble at start up
> using similar means.
Ethernet on a coax comes to mind surely as a famous "1 wire" multi-party=20
half duplex bus with all unique but unknown addresses (MAC) and 10Mbps.

With a well known

random duration backoff on collision algorithms

If you did AX.25 on a wire, rather than over the air it would also achieve =
the same. There are AX.25 implementations (some may even be open source  on=
 a PIC that use external modem, hence the UART could be interfaced via open=
 collector to a multi-party one wire bus.




--=20
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