As far as I can tell there are only two sets of USB hardware currently
available what will support UART style (e.g. COM port) RTTY output
without EXTFSK or a modified version of EXTFSK. They are the EDGEPORT
series of USB to serial converters by Inside Out Networks or Digi
International and the microHAM interfaces - microKEYER, microKEYER II,
DigiKeyer, DigiKeyer II and MK2R/MK2R+.
The alternative to those approaches is adding an expansion card (PCI or
PCI-E) with serial ports or using a PCMCIA serial port card if your
computer has the appropriate slots.
73,
... Joe, W4TV
On 10/23/2011 10:39 PM, K3RWN wrote:
> 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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