Eric,

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Are the AIU conveying status of just the blocks or are they also monitoring the positions of the turnouts?

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By default turnout status is returned to JMRI from the command station which remembers the last turnout commands seen by it. Sensors in JMRI are updated by it reading memory in the command station which polls the AIU boards while it is talking with all the other cabs.

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But the problem is the button boards talk directly to the Switch8 board and nothing goes on the cab bus to let others know about it. If you don’t have the AIU monitoring the status of the turnouts, that can get out of sync.

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Make sure you have reviewed the NCE page at for some of the other details.

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-Ken Cameron, Member JMRI Dev Team

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