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I have 5 AIUs that I am trying to connect to a single TIU train layout. I pressed the "read" button on the remote, and it says there is 1 TIU and 1 AIU.

 

The system remote only finds the first TIU. The other 4 are not found and are not on the list in the handheld remote.

 

I have all 5 AIUs daisy chained properly. (I found a bad cable, where the connections were backwards, and it has been replaced).

 

I have tried changing the order of the AIUs, with the same result, only 1 AIU is found. By trying 3 different AIUs as the first AIU (which is found each time), then I am asuming the AIU's are OK, as each one can be found.

 

There are no switch or aux connections on the first 3 AIU's at this time. These AIUs are connected together, in order, to the 4th and 5th AIUs. I am starting with the 4th and 5th AIUs, which are connected to switches and uncouplers.

 

I have never used an AIU before, so I am not sure what to do next. Barry's book and the DCS manual says that the system should find the daisy chained AIUs automatically, once the "read" button is pressed on the remote.

 

Thanks for any help: Joe K

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