[Elecraft] [K2] Using KUSB with KIO2?

[Matt VK2RQ]

Thanks Don. I wasn't quite sure if the KUSB supplied was just a stock USB-RS232 converter, or whether it may have been customised by Elecraft to leave the extra pins open circuit, so when I tested the interface I did use the "special" intervening cable.

Next step will be to set up the K2 with some logging/contest programs and find a nice CW contest to give the radio a bit of a workout :-)

73,
Matt VK2RQ

> On 9 Jun 2014, at 10:28 am, Don Wilhelm <w3fpr at embarqmail.com> wrote:
> 
> Do *NOT* plug the KUSB directly into the K2 AUX I/O connector.  You must use the intervening 'special cable' that is detailed in the KIO2 instructions.  That cable can be short or long, but it must be installed to protect the K2 from damage.
> The AUX IO connector has internal K2 signals that are used for other Elecraft accessories such as the KAT2 and XV series transverters.
> 
> The AUX IO is *not* an RS-232 port even though it contains 2 RS-232 signal lines.
> 
> 73,
> Don W3FPR
> 
>> On 6/8/2014 7:21 PM, Matt VK2RQ wrote:
>> I just installed the KIO2 serial port in my K2. When I ordered the KIO2, I also ordered a KUSB USB-to-serial adapter cable. Is it safe to plug the KUSB cable directly into the KIO2 port, or do I need to connect it via the DB9-DB9 serial cable to ensure that only pins 2/3/5 are connected between the KIO2 and the KUSB?
>> 
>> 73,
>> Matt VK2RQ
>