Guess I'm not not smart enough.To hook it up I just bought an AIU and I hook up the one wire to TIU and the AIU but system won't find the AIU Tells me found TIU 1 and 0 AIU. What did I Do wrong ? Even hooked it up to another TIU and got same result after hitting the read button on remote.
Can you post a picture of your connection to between the AIU and TIU?
Determining which port on the AIU is From the TIU versus the one to goes to a 2nd AIU can be confusing. you might have used the wrong port. i'm not home right now so I can't tell you what the port label is for the one from the AIU, sorry.
Here is what the manual says: Plug one end of the AIU/TIU cable (included) into the “TIU Input” port on the AIU and the other end into the “AIU Input” port of the TIU.
Found out my wall wart going to tiu was bad. used another wall wart started to work thx for help.
Awesome! Great news! Enjoy.