This Blackmagic Design broadcast converter comes with a correct power supply. It's a reliable choice for your broadcast needs. However, please note that one rack ear is slightly bent, which doesn't affect its overall performance.

To use this Blackmagic Design broadcast converter, first connect it to the correct power supply that comes with it. Make sure all the connections are secure. When using, keep it in a well - ventilated area to avoid overheating. As for maintenance, clean the device regularly with a soft, dry cloth. If you notice any issues other than the slightly bent rack ear, stop using it and contact the support team. Don't try to repair it on your own to prevent further damage.