[Elecraft] RS-232 Compatibility Across Elecraft Devices?

[Jon K Hellan]

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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