What is passive PoE

The MRU Compact uses a standard RJ45 ethernet cable where power is supplied through Passive PoE (Power over Ethernet). In most cases you cannot connect the MRU directly to a an ethernet switch with PoE, since most of these are Active PoE.

We normally supply your first MRU Compact with a start kit containing a POE RJ45 spliter socket. You will only need standard RJ45 cat5 ethernet cables to connect the MRU to the spliter socket and the spliter socket to your PC or ethernet switch.

For industrial installations, we recommend to either terminate one end of the ethernet cable on a terminal block or use an interface module like this from Wago

If you want to connect the MRU Compact directly to a Active PoE switch, you can use a PoE converter. This device converts the power from the active PoE switch to constant 24 V passive PoE. An example of these is this PoE converter from Ubiquity

The MRU Compact uses passive PoE with a voltage between 9 and 36 V.

Please refer to the MRU Compact user manual for more information.