Blackmagic Design HDMI to SDI Converter Auto Switching SD and HD; A huge range of video standards are supported including, NTSC, PAL, 1080i/59.94, 1080i/50, 1080psf/23.98, 1080psf/24, 720p/59.94 and 720p/50 formats Redundant SDI Input; Mini Converters feature a unique redundant input for mission critical tasks such as broadcast or live events. You can connect a redundant cable to the second input, so if the main input is lost due to cable damage or any other cause, Mini Converter will automatically switch over to the redundant input cable. New 3 Gb/s SDI Technology; Only Mini Converters include the latest 3 Gb/s SDI technology and upgrades can be loaded via the built in USB connection for future video format compatibility. Built in AES/EBU or Analog Audio; Standard 1/4 inch jacks are built in for balanced analog or AES/EBU audio. Power Supply Included