Connect external switches and I/O Inputs to your Apex When connected to the I/O Port of your Apex, Apex Lite, or PMx module, the Breakout Box gives you an easy way to connect up to six external switch inputs to your Apex. Examples of things you might connect in this manner include: Float Switches for sump alerts or ATO (Auto Top-Off) Push Buttons for special modes (Feed, Cleaning, etc.) Leak Detectors Magnetic switches on cabinets for intrusion detection Many other creative uses