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I am of a varied opinion. I have MTH / Lionel / Z-stuff  and Atlas O signals. First off, all but Atlas O can be triggered by IR Detectors. Atlas O operates via circuit boards under the layout and isolated sections of track. You can substitute an IR detector for the isolated track if you want but the circuit board is still needed.  Z-Stuff has a built in IR detector so all you need to do is connect to power and you are done. I like to cover the sensor with black electrical tape and connect to a detector more up line.

Depending on what you are looking for:
1. cantilever signals -  I like MTH. They are solid and easy to connect and can accommodate  4 lights.

2. one or one over one signals - I like Lionel but have standardized on Z-stuff. Lionel is usually silver colored and Z-Stuff is black. I like the black. Z-Stuff comes one color - yellow ( I think Pennsy style) are 3 color.

3. dwarf signals - I use theses to indicate turnout position - I like  Z-Stuff 1011R followed by MTH.

4. If you are operating a eastern style model railroad you may be interested in NJ Signal Co.

I have most definitely standardized on Z-Stuff IR detectors. They are small and with the 1075 one can connect Z-Stuff/ MTH/ Lionel and even Atlas O through the circuit boards. Only glitch is that you may have to raise them slightly to get the IR beam on target. I usually set them on top of track bed. If you standardize on Z-Stuff then you can use the 1060.

Last edited by Joe Fauty

If you use the Custom Signals, you can design your signal system so it works prototypically, as opposed to just Clear (green), Approach (yellow) and Stop (red).

As an example, if you line a main line switch to the diverging route (for a crossover or a siding) you can program the system to show an Approach Medium (yellow over green) to show your engineers that they need to slow to medium speed (30 mph) at the switch. When leaving the siding, the signal could show Medium Clear (red over green) which tells your engineers that they need to run no faster than Medium Speed (30 mph) until their train clears the switch.

You can add a lot of operating interest and fun with prototypical signals.

My custom signals in action. I have 3, 2 and single aspect versions.

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I created a plan based on my layout, then used XLS to create a mounting board that includes all the control boards with wire labels. The custom signals website clearly explains how to wire the various boards together.

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You then connect all the power and common wires to each board, so all the boards on the panel are powered from two directions (in case a wire breaks). The wires are colour coded, red and black for power and common, yellow for switches and green for track occupancy detection. I labelled each end of each wire to match the wire name on the printed plan.

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You then use 4 conductor phone wire to connect all the signal boards, and to connect the signal boards to the signals on the layout. Be sure to use a high quality phone plug.

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I then slide the board under the layout. I have a long wire connection so I can take the panel out from under the layout and place it on my lap while sitting comfortably in a chair. This lets me do any trouble shooting and repairs in comfort. Very important design feature.

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This method allowed me to do all the pre-wiring down in my work room. Up in the train room, I simply had to add the phone wire from the board to the signal on the layout, and bring in all the switch and occupancy wires to the terminal strip on the top of the panel.

This was a very fun project, and produces a prototypical signal system that works like the real thing. If you run a red light, bad things tend to happen.

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