[ct-user] CTWIN - TNC Interface Problem

John Crovelli w2gd at hotmail.com
Wed Sep 29 19:18:10 EDT 2004


Has anyone elso experienced problems interfacing a packet TNC when running 
CTWIN 10.01.010?  NO2R and I tried two different manufacturer's TNCs 
connected via COM1 (and via COM6 through a PCMCIA card) on my laptop.  In 
all cases the results were the same.  It appears some form of handshaking is 
taking place but the displayed output from the TNCs on the CT packet window 
is garbled (we see special characters, missing letters in words, etc.)  When 
we switched to DOS and run CTDOS ver. 9.92 the TNC interfacing problem 
disappears.

The PC is a Dell Latitude C600A P3 850 Mhz laptop running XP Pro.  A PCMCIA 
duel port card is installed and functioning normally to expand the number of 
available serial ports ( assigned COM5 and COM6).  I'm using COM5 for rig 
control of my IC756ProII....this works perfectly.  The DB9 connection  on 
the laptop - COM1, is being used to connect the TNC (we also tried the TNCs 
connected to COM6 through but got the same results)

The TNCs are both running at 1200 baud, 8,N,1.  .  Tried all possible 
configuration options on MS device manager for COM1 (and COM6), including 
the advanced speed settings, but could not achieve correct operation.

Hoping someone else on the reflector has been through this problem and has a 
fix.  Thanks.

73,
John W2GD
w2gd at hotmail.com




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