hEX PoE is a five port Gigabit Ethernet router for locations where wireless connectivity is not required. The device has a USB 2.0 port and a SFP port for adding optical fiber connectivity. The ports 2-5 can power other PoE capable devices with the same voltage as applied to the unit.
An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a passive optical network.