The Teranex Mini Optical to HDMI 12G Converter from Blackmagic Design allows you to convert up to a 12G-SDI signal to HDMI, or install an optional optical fiber module and convert up to 12G fiber signals to HDMI. You can input and output up to DCI 4K (4096 x 2160) 60p signals on both input and output, connecting sources such as the Blackmagic URSA on the input end.
An optical fiber module is not included but is supported on the rear. 3G and 6G modules are currently available (model #s ADPT-3GBI/OPT and ADPT-6GBI/OPT), and 12G modules are in the works.
The Teranex Mini Optical to HDMI 12G Converter also features full-size XLR outputs that are switchable between balanced analog and AES/EBU digital audio, and which allow you to output separate audio. The converter also has an Ethernet port that allows you to manage the converter remotely from a Mac or Windows computer using the included Converter Utility software. This capability is especially useful when you're in a larger facility using numerous converters.
The Ethernet port can alternatively be used for Power-over-Ethernet (PoE). If you don't want to use PoE, you won't have to deal with cumbersome power supplies, as the Teranex Mini features a built-in 90-240V power supply, and all you'll need is a standard IEC power cable, sold separately.