OCP (over current protection) and OVP (over voltage protection) functions. The separation and connection process for the network grouping and security feature. 1 Master-to-multiple-slave network topology for a cost-effective network installation. IEEE 802.3 AF/at/tt PoE++ 90 Watt for PoE devices with high performance. 300 300 meter long power range for PoE++ devices. Supports 48 VDC to 70 VDC. Different operating voltages for different power consumption. + and - 2-wire and voltage independent functions for robust installation support. Supports large MDU installation sites (Multi Dwelling Unit) with 2-wire and voltage independent functions. This text is machine translated.