On Thu, 21 Mar 2002 at 20:26:30, Timothy Swenson wrote:
(ref: <[EMAIL PROTECTED]>)
>With a null modem cable (or Ser1 on the Q40 to Ser2 on the QL), it
>should be fairly simple to send ASCII data (and possibly binary).
No no no no (8-)#
Null modem cables are no good at all - in the UK at least they loop back
handshaking.
I have been saying this for 14 years now, but it keeps getting missed.
Roy Wood spent years with SERNET and failing 'cos he was using a null
modem lead. Solved in a few minutes by me at a recent Byfleet show with
a proper RTS/CTS serial lead.
I wish this could be posted on a mountain top for all to read:
----------------------------------------------------------------------
The only way to get reliable serial connections to/from a standard real
QL is to use a fully handshaked serial lead (CTS/RTS each end - QLs
'DTR' is an RTS). Without Hermes, it needs a terminal program at
4800bps each end, and file transfer protocol to trap the inevitable odd
error.
----------------------------------------------------------------------
>
>When I was using my Z88 and the QL, to copy data from the Z88 to the QL
>all I did on the QL was:
>
>copy ser1_ to ram1_file_txt
>
>and then have the Z88 send the file. When the Z88 was done, I hit
>CTRL-C on the QL to break out of the copy. Worked like a champ. The
>same principle should work for the Q40 to QL xfer.
The champ breaks down very often, especially at 9600, as the 8049 code
was very broken. That was why the Astracom modem was developed for the
QL - it was the only 'real' modem that worked with the QL at 9600.
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