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We just posted and update firmware file to update the new WIFI TIU's. You can download it here: https://www.mthtrains.com/dcs-software-downloads .
This update will correct problems found using various power supplies. Also it will correct communication problems when using more than 1 AIU (Accessory Interface Unit).
You will find the instructions how to update your TIU here: https://d2frr7198pxftr.cloudfront.net/.../DCS%20WTIU...
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@rscott posted:

Tried updating, app says my WTIU is up to date.

Use the LuCi interface.

I did this by looking up the IP of my WTIU in my home router list of clients. Then use a web browser to that IP.

The IP listed in the instructions is when the WTIU is in MTH mode- then the 143.1 is valid, but on your home network, the LuCi interface is at the IP it got from your home router.

Screen Shot 2025-02-05 at 6.14.47 PM



Now mine is on 1.2.0- updated from a 1.1

Screen Shot 2025-02-05 at 6.12.53 PM

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  • Screen Shot 2025-02-05 at 6.12.53 PM
  • Screen Shot 2025-02-05 at 6.14.47 PM

Use the LuCi interface.

I did this by looking up the IP of my WTIU in my home router list of clients. Then use a web browser to that IP.

I use a program from NIRSOFT called Wireless Network Watcher. It will scan the entire IP range of your home network and list the host names. Look for the one with "mthdcs-xxxx" to identify the IP address assigned to the WTIU.

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  • mceclip0

I installed the update using LuCi from my smartphone setting the WTIU in the MTH switch position and following the instruction.  By all indicators, it seemed to install correctly.

But...

Putting the WTIU back in the HOME position (to run via the home LAN), I could not get my PS3 engine to reliably work even removing the BASE3 signal. Sometimes I was able to get full control of the engine; sometimes I lost it. Engine volume was flaky.

I'll try with another PS3 engine, or run using the MTH network (rather than house LAN), but I probably made a mistake installing this update until others had a chance to fully check it out. The problems I experienced might just be unique to my specific layout and engine.

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