Question about modems
Jim Brain
brain at jbrain.com
Fri Nov 15 00:23:52 CST 2019
If you look at the values received by an 8N1 connection from a sender
using the different settings, you get:
AT
at
At
aT
7E1
E174
41D4
E1D4
4174
7O1
61F4
C154
6154
C1F4
7M1
E1F4
C1D4
E1D4
C1F4
7S1
6174
4154
6154
4174
8N1
6174
4154
6154
4174
Obviously, still trying to find the magic boolean logic equation to
tease out the parity, but you could brute force it with these values and
only aT would cause you issues requiring looking at CR (7E1 would send
8d, while 7S1/8N1 would send 0d.
Jim
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