John, Thanks for info. Is that a TELCOM limit? The reason I ask is because when 
running virtual T with TS-DOS, I notice that the buffer can go to 255. Or at 
least the byte which holds the buffer size.
Kurt


 

    On Monday, October 17, 2016 11:36 AM, John R. Hogerhuis <jho...@pobox.com> 
wrote:
 

 

On Mon, Oct 17, 2016 at 7:14 AM, Kurt McCullum <kurt.mccul...@att.net> wrote:

Even though the buffer is 256 bytes in size, TELCOM sends the XON/XOFF commands 
when the buffer is only slightly full, so I have had to block the sending of 
the data in small packets and check for XOFF.



The serial receive buffer is 64 bytes.
-- John. 

   

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