Not sure if this will be helpful to you but it shows an avenue to connect all to a dcs tiu and from there it just might work your switches worth a read anyways good luck.
question why not just use the legacy cab-2 remote?
https://www.lionelsupport.com/media/servicedocuments/6649781326250SER2UsersGuide.pdf
I just bought the new fastback switch that has wireless remote control.
Can the 5.0 MTH DCS control switches wirelessly.
Can the MTH program a switch sequence remotely from an entered program
I can not find any info on the web about these issues.
Thanks
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