RS-232 is not a multipoint protocol.  

 

Dick

 

 

From: David Ahrendts [mailto:[email protected]] 
Sent: Friday, January 02, 2015 4:03 PM
To: Dick Dievendorff
Cc: Elecraft Reflector
Subject: Re: [Elecraft] KX3+KXPA100+PX3 = Outta Inputs/Outputs

 

Dick, interesting. I wonder if anyone has used the USB hub idea to make a 
multiple port daisy-chained ACC1 interface? So can ACC1 be hubbed? Could I 
create multiple ports from the KX3 ACC1 combining the PX3, the KXPA100, and my 
Mac running radio control software? Anyone done that with the KX3 Line?

 

On Jan 2, 2015, at 3:44 PM, Dick Dievendorff <[email protected] 
<mailto:[email protected]> > wrote:

 

I'm using a Gearmo 4-port USB to Serial adapter ( 
<http://www.amazon.com/GearMo%C2%AE-36inch-Windows-Certified-Drivers/dp/B004ETDC8K/ref=sr_1_1?ie=UTF8&qid=1420241893&sr=8-1&keywords=gearmo+4-port+usb+to+serial+adapter>
 
http://www.amazon.com/GearMo%C2%AE-36inch-Windows-Certified-Drivers/dp/B004ETDC8K/ref=sr_1_1?ie=UTF8&qid=1420241893&sr=8-1&keywords=gearmo+4-port+usb+to+serial+adapter)

And I've also acquired an 8-port Edgeport from an eBay vendor.

I use a number of KXSER cables for the DE-9 to 3.5 mm transition. I do test 
software with a KXUSB, but its FTDI chip set seems equivalent to the Gearmo 
4-port adapter.

One serial port is used for KX3 + PX3 + KXPA100 , they daisy-chain.

One serial port is used for a K3 - P3 daisy chain.

One is used for KAT500

One is used for KPA500

One is used for a W2 or LP-100A (telepost) or XG3. I don't tend to use all of 
these at once.

I used to use some ABCD DE-9 switches, but prefer to have them all connected 
and it's easier to pick the combinations I need at once.

There is also the USB hub solution, one hub on your PC might fan out to 4 or 8 
USB ports.

Dick, K6KR


-----Original Message-----
From: Elecraft [ <mailto:[email protected]> 
mailto:[email protected]] On Behalf Of David Ahrendts
Sent: Friday, January 02, 2015 3:35 PM
To: Richard Gillingham
Cc: Elecraft List
Subject: Re: [Elecraft] KX3+KXPA100+PX3 = Outta Inputs/Outputs

Thanks Gil. I have plentiful Mac USB physical ports (about 8). So the issue is 
with the KX3. Got no place to plug it in. :—(




On Jan 2, 2015, at 3:25 PM, Richard Gillingham <[email protected] 
<mailto:[email protected]> > wrote:

Sounds like you need a virtual serial port emulator program. 
73
Gil, W1RG

Sent via the Samsung Galaxy Note® 3, an AT&T 4G LTE smartphone


-------- Original message --------
From: David Ahrendts <[email protected] <mailto:[email protected]> >
Date:01/02/2015 6:14 PM (GMT-05:00)
To: Elecraft List <[email protected] <mailto:[email protected]> >
Cc:
Subject: [Elecraft] KX3+KXPA100+PX3 = Outta Inputs/Outputs

Got the KX3 Line. KAT500 and W2 also. Love ‘em. Now, I appear to be out of 
inputs and outputs with little lines running between the boxes and all of the 
inputs/outputs in use. What do you do to get a KXUSB into the KX3 for radio 
control from a variety of software programs into an ACC1 PC port? None 
available. Can the ACC1 port be Y’d?

David Ahrendts, KC0XT, LA



David Ahrendts   [email protected] <mailto:[email protected]>    




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