[RTTY] MMTTY and USB/COM port problem

[Barry]

Thanks for the replies.  I'll get to work on them...
73,
Barry

Joe Subich, W4TV wrote:
> Barry, 
>
> There are a lot of USB to Serial adapters that do not support 
> 5 bit codes or data rates less than 300 bps.  With those adapters, 
> you will need to use EXTFSK (even with FSK on TxD).  
>
> Using a generic USB to COM converter with FSK on TxD, CW on DTR 
> and PTT on RTS works fine with most software that uses MMTTY for 
> RTTY as long as the application suspends MMTTY when not in RTTY 
> mode and releases the serial port (to MMTTY) when in RTTY.  Those 
> applications that do not do so will require two USB -> Serial 
> converters: one for CW/PTT and one for FSK/PTT. 
>
> 73, 
>
>    ... Joe, W4TV 
>  
>
>   
>> -----Original Message-----
>> From: rtty-bounces at contesting.com 
>> [mailto:rtty-bounces at contesting.com] On Behalf Of Barry
>> Sent: Tuesday, October 02, 2007 8:35 AM
>> To: RTTY
>> Subject: [RTTY] MMTTY and USB/COM port problem
>>
>>
>> Hi all.
>> I recently replaced my shack computer and radio due to lightning 
>> damage.  I finally got around to wiring up the DIN plug for RTTY 
>> and it's not working.
>>
>> I'm using MMTTY in FSK mode with an IC7800.  The computer is a 
>> Dell Inspiron laptop (XP Home) using a USB to COM port converter.
>> The COM port works fine on CW (with Writelog) and closes the PTT 
>> in RTTY, but I'm not getting the tones shifting.  All I hear is 
>> a clicking under the single tone when in monitor mode.  Any ideas?
>>
>> Tnx,
>> Barry W2UP
>>
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>>
>>
>>     
>
> _______________________________________________
> RTTY mailing list
> RTTY at contesting.com
> http://lists.contesting.com/mailman/listinfo/rtty
>
>
>