To use this Allen & Heath ME - U 10 - Port PoE Monitor Hub for ME - 1 Personal Mixers, first make sure you've purchased an input card as it's not included in the package. Connect the correct power supply that comes with the unit to power it up. Then connect your ME - 1 personal mixers to the ports. When using, avoid exposing it to extreme temperatures and moisture. For maintenance, keep it clean by gently wiping the surface with a dry cloth regularly. If you encounter any issues, consult the Allen & Heath customer support.