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Re: [RTTY] What Adapters do the Rigblaster People Use?

To: "'RTTY'" <rtty@contesting.com>
Subject: Re: [RTTY] What Adapters do the Rigblaster People Use?
From: "K3RWN" <rwnewbould@comcast.net>
Date: Sun, 23 Oct 2011 22:39:23 -0400
List-post: <rtty@contesting.com">mailto:rtty@contesting.com>
Which manufacters USB converters support FSK w/o software such as EXTFSK?

Rich

-----Original Message-----
From: rtty-bounces@contesting.com [mailto:rtty-bounces@contesting.com] On
Behalf Of Eric - VE3GSI
Sent: Sunday, October 23, 2011 9:56 PM
To: Joe Subich, W4TV; RTTY
Subject: Re: [RTTY] What Adapters do the Rigblaster People Use?

Tnx Joe,

> One would be better served to simply build the two or three transistor
> interface on Don's Web site: http://www.aa5au.com/rttyinterface.html
> and ignore the DTR/RTS connections in the Nomic - or connect the Nomic
> and AA5AU interfaces to the serial port/serial converter *in parallel*.

Just a verification this is what he is trying to do. The Nomic is NOT in the

circuit for FSK.  He is using the USB to serial device TX data out to key 
FSK.  I wrongfully assumed that Westmountain USB Serial adapters supported 
'real' FSK like some other manufactures do.  That is to say FSK without 
EXTFSK.

> Of course, none of this would be an issue (and would not need to be
> repeated every six to 12 weeks) if the manufacturer actually provided
> real customer support.

Sorry to say, I normally skip posts not related to my hardware and did not 
catch technical note - 101. <Grin>

As other Hams on various reflectors are reporting, my friend is having a 
heck of a time with this <words deleted> Prolific interface and other radio 
software.  I was really disappointed to find out Westmountain's Rigblasters 
use Prolific USB adapters.

Again thanks,
Eric - VE3GSI



----- Original Message ----- 
Sent: Sunday, October 23, 2011 8:59 PM
Subject: Re: [RTTY] What Adapters do the Rigblaster People Use?


>
>
> Simply put, the Nomic does a wire-or of the DTR and RTS lines for PTT.
> There is no separate CW (DTR) and PTT (RTS) outputs or any provision
> for FSK (TxD or DTR).
>
> One would be better served to simply build the two or three transistor
> interface on Don's Web site: http://www.aa5au.com/rttyinterface.html
> and ignore the DTR/RTS connections in the Nomic - or connect the Nomic
> and AA5AU interfaces to the serial port/serial converter *in parallel*.
>
>> He just told me the Rigblaster USB to serial adapter uses a Prolific
>> chip set.<ugh>. How does the Rigblaster PLUS work on RTTY using this
>> USB adapter?
>
> When configured properly, RigBlaster Plus uses RTS for PTT and allows
> jumper selection of TxD or DTR for CW and FSK.  There is no problem
> using a Prolific based serial converter for FSK with EXTFSK.  Some
> Prolific adapters will even run 45.45 baud as a UART (on TxD) even
> though that speed is not officially supported (some "bad drivers"
> fail to validate the baud rate).
>
> Of course, none of this would be an issue (and would not need to be
> repeated every six to 12 weeks) if the manufacturer actually provided
> real customer support.
>
> 73,
>
>    ... Joe, W4TV
>
>
> On 10/23/2011 8:07 PM, Eric - VE3GSI wrote:
>> Gang,
>> I am helping a fellow Ham set-up on RTTY using a USB adapter from with 
>> his
>> Rigblaster Nomic.  Yes I know the Nomic is a AFSK interface. As an
>> experiment, he is using an external keying transistor between this 
>> adapter
>> and the RTTY circuit of his Kenwood rig. It keys the rig, but only sends
>> garbage for RTTY.
>>
>> He just told me the Rigblaster USB to serial adapter uses a Prolific chip
>> set.<ugh>. How does the Rigblaster PLUS work on RTTY using this USB
>> adapter? Or do the Rigblaster people provide a different USB adapter for 
>> the
>> Rigblaster Plus?
>>
>> All info welcome.
>>
>> Thanks,
>> Eric - VE3GSI.
>> 

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