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Re: [emax] Re: RS422 fun

2008-11-22 by Ted Summers

These are signal level ins/outs. I have never had that sort of  
interconnect for data strapping kill anything.

They are very common on RS-232, and I have done some on RS422 before  
also.

Regards,
Ted

On Nov 22, 2008, at 12:27 PM, esynthesist wrote:

And these experiments can not harm/damage my Emulator II/Emax/PC
RS422 port ???

///E-Synthesist

--- In emax@yahoogroups.com, Ted Summers <djtbs1@...> wrote:
 >
 > OK- So I was being lazy.....
 >
 > I found all the docs for the adapters you have.....
 >
 > ON the Redcom- you have jumper on 17-18 I assume?
 >
 > I would try all of the following:
 >
 > Pin 7 to USB-Comi 7 (by itself)
 >
 > Pin 7 to Comi 6&7 tied together
 >
 > Pin 7 to USB-Comi 8 (by itself)
 >
 > Pin 7 to Comi 8&9 tied together
 >
 > Pin 7 to Comi 7&8 tied together
 >
 >
 >
 > On RS232 for some "null modem" connections you have to do similar-
 > Tie DTR and CTS/RTS and sometimes CD together to get
communications
 > working.....
 >
 > Regards.
 > Ted
 >






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