[Elecraft] KX3 ACC1 to PC and expert 1.3K-fa ?

[Andre Bourbon]

Hi,

Tnx 

I have already test this configuration like you propose.

Removed  the TX (pin9) on the DB15 only pin 1(rx) and 4 (gnd)

But the expert need as cat config  Flex  radio  when he is on the KX3 , tx and Rx must be connected .

 

KX3 is not like K3 

73’ André on7yk

 

 

From: Graziano Roccon [mailto:graziano.roccon at gmail.com] On Behalf Of Graziano Roccon IW2NOY
Sent: donderdag 1 maart 2018 11:08
To: Andre Bourbon
Cc: elecraft at mailman.qth.net
Subject: Re: [Elecraft] KX3 ACC1 to PC and expert 1.3K-fa ?

 

Hi, 

Serial communications is thinked for two buddies with crossed tx and rx., not for three. 

You have too many tx on the same cable. 

Remove the tx from the db15 of expert you don't need it. For the expert is enough READ (rx) the frequency that set the CAT coming from the PC (TX). 

Remove the tx from the expert db 15 and try again. 

I have similar setup but with k3s instead of kx3. 

There are cable schemas on my site, if you want give a look. 

Good luck, 73 de IW2NOY 

http://www.iw2noy.it/index.php?id=87



Inviato da BlueMail <http://www.bluemail.me/r?b=12200>  

Il giorno 1 mar 2018, alle ore 09:53, Andre Bourbon <andre.bourbon at on7yk.eu> ha scritto:

My setup is : KX3 --- PC ----Expert Ampli 1K-fa or 1.3k-fa





 





Using the ACC1 port :





 





Kx3 Connect to my pc with KXUSB cable and DX-lab logging prg ---------  band


changing is ok 





KX3 connect with my Expert ampli DB15 ( txd,rxd,gnd ) ( flex radio cat


settings )  -band changing is ok 





 





I will do it now together :





I put 1 cable wired on parallel : txd, rxd, gnd   





 1 cable goes from the KX3 to the expert ampli 





 1 cable goes from the KX3 via KX3USB to the pc  





 





----band changing  totally NOT working any more .





Its look like there is a conflict or the voltage from the kx3 is to low to


change the band info to the pc and on the same time to the cat port (Expert


ampli.)





Any advice, or solution ???





André ON7YK





 





 





 





 











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