Hello Lewin!

Saturday September 14 1996 21:40, Lewin Edwards wrote to Ian Smith:

 > Yes, that's NRZ as I understand it. For example, suppose (ignoring framing)
 > we had to send 11001. This would translate to :

 >         1     1     0     0     1
 > +12V -+--+--+--+-+           +-+--+-
 >   0V             |           |
 > -12V             +-+--+--+---+

My lecture notes from last semester would seem to agree with you. :-) But isn't
RS232 -12V for a 1, +12 for a 0? The lecture notes certainly show 0 being a
high compared to 1 being a low, but they aren't RS232 specific, and I can't
be bothered grabbing a text book.


Regards,
Hamish

--- GoldED/P32 2.42.G1219+