[Elecraft] Developing Products, the Elecraft Way
David Woolley
forums at david-woolley.me.uk
Thu Aug 6 14:43:02 EDT 2015
On 05/08/15 16:21, Jerry Moore wrote:
> My thoughts would be that all devices use the USB instead of RS232. By
> design the USB is a BUS rather than a point to point protocol as is RS232.
In spite of its name, USB is not a bus. At the physical level, it is
most definitely point to point, and, unlike RS232 cannot be abused into
a bus configuration.
It does have a network layer, although I think that only supports
unicast. RS232 is only a physical layer specification, and not a
complete one. Anyone using the internet before ADSL almost certainly
was using RS232 as the first hop to a global network.
--
David Woolley
Owner K2 06123
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