Need help with new DL445 laser

Just got my new DL445 laser and need some help getting it operational. Have been following the Operating/Safety Instructions manual. There is a design issue with the new switch box in that it has 3 tools on the front switch (mill, 3D print, laser), but only 2 connections on the back for tools (milling and 3D printer). They are missing the plug for the laser. There should be a 2nd row of plugs on the back that were never installed, but back to the laser. Just plugged it into the 3D printer port (I'm assuming that all pins are passed thru regardless of port) and got it powered up.

My first problem is that when I position the integrated zero point sensor to the middle position (page 19 of manual), NO positioning laser comes on. In addition, when I position the zero point sensor to the lower position and run the probe macro (M31, which I checked and is correct), the laser doesn't recognize the sensor and I have to manually stop the Z movement to prevent binding.

Tried to check the main laser by issuing the following commands (per manual):

M3
M10 Q128

but the laser fails to turn on.

Anyone with a laser that can offer any suggestions? I'm not sure if the laser is defective or there is something I'm doing wrong.