I am having problems getting my system monitor cards NT8D22 working in my 81c. I have double and triple cheked all the dip switch settings. I have tried new cards and cards that I tested in my 61c that worked fine in the 61c. I did notice that in the installation instructions it shows an NT8D46AL cable connecting the master to core 1 and an NT8D46AP to the slaves. Are these cables AL and AP wired differntly? I only have the AL one. Does anyone know the pinout if they are different?