The Transition Networks 100Base-FX Power Over Ethernet Media Converter J/FE-CF-01 SC is a black consumer electronics device designed to convert Ethernet data signals to fiber optic signals. With a model number of SPOEB1013-105, this device measures 4" x 3" x 1" and weighs 13 ounces, making it compact and lightweight for easy portability. The media converter, with SKU 435, is specifically designed to support Power over Ethernet (PoE) functionality, allowing for both data and power to be transmitted over a single Ethernet cable.