From: Jim Brain (brain_at_jbrain.com)
Date: 2004-12-29 09:47:52
I am finishing up the board for a user port RS232 interface, and want to
add the mods to allow it to be used as a UP9600 interface.
I found the mods:
Add a wire from M to 5 on user port
Add a wire from B,C to 7 on user port
Wire L to 6.
Before the mods, M was transmit out. BC was receive in, and L was DSR.
And DTR (pin E) is not connected at all.
DTR doesn;t bother me, as it is output, but the additions of 5 and 7 and
the removal of L from DSR input seems like it might cause
incompatibilities.
RIght now, I have them all on jumper blocks. But, I'm more than happy
to remove if people think it is OK.
Any ideas?
--
Jim Brain, Brain Innovations
brain@jbrain.com http://www.jbrain.com
Dabbling in WWW, Embedded Systems, Old CBM computers, and Good Times!
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