KX-T: RS-232 port problem on KXTD1232

[Brian Kabcenell]

I have a KXTD1232-3 that I have been programming for several years with either Oleg's Programmator or Panasonic's DOS based software via a null modem cable and the RS-232 port.  I did some programming several days ago and everything was working fine.  Today I tried to set up an external modem to do remote programming following Oleg's instructions and using his recommended cable wiring.  It didn't work so I tried to go back in with Programmator via null modem cable to recheck the port settings.  I am not able to connect with either Programmator or the Panasonic software.  I have checked the port settings from the system programming phone (program 806) and they are fine.  The computer and cable still connect to the TVS100 so they are apparently fine.  Cycling the KSU off and back on didn't resolve the problem.   I would appreciate any suggestions on how to clear this apparently frozen RS-232 port.   Thanks   Brian Kabcenell Kabcom