Applies to all Network Cameras that have an "M" in the model number.

The M12 connector is a 4 pin connector for mobile or rugged applications.

A M12 to RJ45 adapter cable is available and can be purchased separately . 

Part number of EP02-002261A 

This connection uses only 4 conductors, Pins 1,2,3 and 6 (See picture below) and requires Mode a compatibility

Make sure your PoE injector or Switch is Mode A capable.