This Ross DFR-8110A Digital RossGEAR Terminal includes 10 ROSS UDA 8005 Analog Utility Amp Cards. A key thing to note is that it only comes with one power supply.

To use the Ross DFR-8110A Digital RossGEAR Terminal, first connect the single power supply that comes with it to a proper power source. Then you can start using the 10 ROSS UDA 8005 Analog Utility Amp Cards included. When handling the cards, be gentle to avoid any damage. As for maintenance, keep the terminal in a dry and clean place. Regularly check the power supply for any signs of wear or malfunction. If you notice any issues, it's best to consult a professional for repair.