Ed -
Thanks much, I'll do just that. Also, another contact pointed me to the holy grail for the KSU:
Edit by Bill: I know this is an old system, but board policy is to not post links to manual sites. Thanks
So now I also have the installation/service manual for the KSU, something I've been wanting for a long time.
PS:
Looks like it's a good thing I didn't mess with the jumper(s) on the intercom card. It switches the buzzer outputs from 10 to 105 volts.
Thanks again, will post back soon with results.
