[Elecraft] K2 - Connecting the K2 to a RigBlaster Pro and computer

[Don Wilhelm]

David,

I cannot fully answer your questions right now, BUT I must give you a 
caution.  The K2 AUX IO connector is *not* an RS-232 port - that is why 
it is labeled AUX IO.

To avoid damage to your K2, use ONLY the cable shown in the KIO2 manual 
to connect your K2 to the Rigblaster Pro.
In other words, only TXD RXD and signal ground (pins 2, 3 and 5) of the 
K2 AUX IO connector should connect to either a computer or the 
Rigblaster Pro.

The K2 has no provisions for FSK, and attempts to use DTR or RTS for PTT 
or keying will damage the K2 because those pins in the normal RS-232 
interface pinout are used within the K2 structure for carrying internal 
K2 signals to external Elecraft producets such as the KRC2 and KAT100.

Again, the K2 AUX IO is *not* an RS-232 port although it does carry 3 of 
the defined RS-232 signals TXD, RXD and Signal Ground.

73,
Don W3FPR

David Heinsohn wrote:
> Evening All
>
>   I think it's time for a bit more of the combined wisdom of the list 
> before I proceed.
>
>   The rig is a K2.  It has all the internal modules except the ATU at 
> this point.  I have successfully used both HRD and K2 Remote to control 
> the K2.
>   The RigBlaster Pro is several years old.  It was connected to an Icom 
> - 706 until tonight, but only really used for PSK31 with Digipan.  P1, 
> the mic jumper block has been reconfigured to the K2.  And an on air 
> test was satisfactory.
>   It's now time to configure P16 for Rig Ctl, CW, PTT, FSK, etc.  I 
> believe that diagram #9 on page 29 of my manual is the correct 
> configuration.  Then the 232 cables would be compter to RigBlaster 
> 232-A, and RigBlaster 232-B to K2.  Is this correct?
>
>   And finally, what experience do others have in connecting and using 
> the K2 with a RigBlaster?
>   Any recommendations on other hookups that work best?  Maybe some that 
> aren't obvious?
>
> TNX to All
>
> de
> KD0R
> David
>
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