[Elecraft] K3S RS232 "Y" Connector causing port conflict

[Don Wilhelm]

I am not Eric, but the pins are 1, 2, 6, 8 and 9 - those all might have 
drivers in the amplifier.

I would suggest that you not break off the pins unless you have a cable 
with formed and sealed backshells.  If you can open the backshell, just 
cut the wires on the 'backside' of the connector.

73,
Don W3FPR

On 12/15/2015 7:03 PM, charles at k5ua.com wrote:
>   
>
> One more question Eric.
>
> If I need to block the TX lines from the amplifier to the K3, which pins
> should I break off of the male DB-9 connector?
>
> Thanks again for your help.
>
> Charles K5UA
>
>   
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