[Elecraft] RS-232 Compatibility Across Elecraft Devices?

[Jim Rhodes]

They work well with regular 232 port, so I assume that is what they are.
Don't know the exact voltage swing, probably could work fine with quite a
bit less than +/-12V, but real 232, not TTL.

Jim K0XU Sent from my Xoom tablet
On Nov 9, 2012 2:38 AM, "Jon K Hellan" <hellan at acm.org> wrote:

> Electrically, are the "real" RS-232 (+/- 12V) or TTL level (0 / 5 V)?
>
> Jon LA4RT
>
> On 11/09/2012 01:25 AM, Don Wilhelm wrote:
> > Eric,
> >
> > All those you mentioned use the 3.5mm stereo connection containing TXD,
> > RXD and Signal Ground.  Al; those devices can share the same cable.
> >
> > The K2 needs a special cable with a DE-9 connector that has only TXD,
> > RXD and Signal Ground.  Do not use a standard serial cable with the K2,
> > damage to the K2 can result.  Note that the K2 DE-9 connector is labeled
> > AUX I/O rather than RS-232 - there are unique K2 internal signals in
> > that connector as well as the 2 RS-232 lines.
> >
> > The K3 has a DE-9 connector and is labeled RS-232, so you can use a
> > standard serial cable with the K3.
> >
> > I think that covers most cases of the Elecraft gear and the RS-232
> > connections.
> >
> > 73,
> > Don W3FPR
> >
> >
> > On 11/8/2012 5:33 PM, eric norris wrote:
> >> Before making up more cables, does anyone know what the compatibility
> is of various Elecraft RS-232 cables?  In other words, can I use the same
> cable with my W1, W2, XG-3, and KX3?  These would be cables with a 3.5mm
> stereo plug on one end and a DB-9 on the other.  If not all are compatible,
> which ones can be shared?
> >>
> >> Thanks,
> >>
> >>
> >
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