The sat-nms IO-FEP2 is designed to be controlled over a network link using a standard web browser. This means in practice, that the user interface to the sat-nms IO-FEP2 appears in your browser window after you type in the sat-nms IO-FEP2's IP address in the address field of your browser program.
Operating the sat-nms IO-FEP2 is mostly self-explanatory.