Wiring limit switches to latest Banggood 3018 control board

[JBaz]

Although I have been making things for over 50 years, this is my first foray into CNC with a Banggood 3018.

The machine works fine and I used it to make the brackets to mount the limit switches. However, when I come to wire them in I find the latest Banggood control board only has 3 connectors for limit switches - one for each axis - and I have 5 limit switches.



I have connected 3 of the switches - one for each axis - and set $21=1 and the stepper motors cut out when I activate the switch; so now I am wondering how to connect the other 2 switches?

The connectors on the board have the pins marked as X+, COM and X-, (same for other 2 axes) so does this mean I should connect the active terminal (I assuming only 2 of the 3 pins on the switch are active - NO or NC) from the switches at each end of the axis travel to the corresponding pin on the control board and the connect the common pin wires together?



Alternatively, do I just cut the wires and use a block connector to connect the switches at each end of the axis in parallel?

Are there any other options?

If anybody can offer help I would appreciate it.