ASR-33 problem - test-drb@ccmp.vtda.org

23 Jan 2004

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 From: vrs &lt;vrs(a)msn.com&gt;

   My ASR-33
has recently started to apply 20V pulses to my TX+ line.  I 
 By Tx+ do you mean the keyboard loop? In other words, is it Tx on the
 teletype or Tx on the computer? 
Sorry, I mean Tx on the computer.  The 20V appears on the + side of the loop
going to the TTY's printer, whenever the printer is actually printing.  The
computer doesn't like it much, either :-).

    Vince

20V usually means that the loop is open someplace?
It might even be the computers end.
Dwight