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Old 03-29-09, 12:03 PM   #31
SUBMAN1
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Join Date: Apr 2005
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If this helps:

Normal (both sides - this is what you want):



These are what you don't want:

Null:



Null w/ loopback handshaking:



Null with partial handshaking:





Null with full handshaking:




Full page here:
http://www.lammertbies.nl/comm/cable/RS-232.html
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