Ability to connect up to 8 internal monitors (with SW-02) and up to 4 SW-10/SW-08 via 2 wires. Up to 1249 SW-08/SW-10 via Ethernet (with total number of users - 9999). Rated power 2W. Power supply - 48 Volts DC. Supports PoE. Cable lenght: 50 meters max with 2 wires, 100 meters max with Ethernet cable (UTP cat 5,6).