Bunkerbarge
Just a quick question if I may.  I just want to check that I have understood the Alpha Mimic instructions for the Ground Signal system correctly. 

From what I can see there are 12 'channels' on the one control board so 12 'commands' from the main controller can be accommodated, however the sockets on either side of the board are set to be by default in the opposite attitude although operated by the same command.  Correct?

So , depending on which direction you are approaching a crossover you have the flexibility of plugging the signals into either side of the board or you could use reversing extension cables and splitters from either side of the board to achieve the correct signal aspects?

Finally am I right in thinking that the aspects are controlled from the controller signal to the point so they 'could' change but, if the point sticks and doesn't move, they would be showing incorrectly?

Finally could anyone let me know the dimensions of the control boards and the length of the metal tube below the signal.

Thanks for any help.
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AHJAY
Yes, you have it right as far as aspects and usability are concerned.

* There are 24 sockets, 2 per output and in fact you could use them for up to 24 Mimic ground signals or, if in a mimic panel, 24 Mimic LEDs or bicolour Mimic * LEDs. Yes, you can choose either a reversing cable / splitter or use two outputs.
* Mimic reflects the DCC command so it will always change. Practically this is just fine with reliable motor types.

If properly installed and wired, any motor operating errors are likely to be very rare.... and nobody dies on a model railway :-). Real world use shows it to be an approach that works fine [and... far more reliably than the driving consistency of modellers who are still by far the greatest cause of layout error :-) :-) ]

The Mimic control board is a tad under 135 x 50

regards, Ahjay
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Bunkerbarge
Thanks for your help Ahjay, more food for thought!  Do you have any idea the length of the steel tube below the lamp units?
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AHJAY
Yep... 35mm from bottom of the base

Ahjay
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