This Gigabit Ethernet router device has a USB 2.0 port and an SFP port for adding optical fibre connectivity. Ports 2-5 can power other PoE capable devices with the same voltage as applied to the unit. This powerful 800MHz CPU is a cost-effective, small, easy to use and capable of all the advanced configurations supported by RouterOS. Maximum current is 1A per port and the ports are shielded. More information can be found here