IPMI is a remote management platform that sits separate from the Operating System on your server. It also has it's own Network Stack and IP. You can access the IPMI board with any standard web browser that supports Java. Unfortunately, Java is required for the more advanced features in the IPMI board like Remote Console and Remote Media.
Managing your server remotely with IPMI gives you full control of the server. You will be able to power on/off, hard reboot, spawn a virtual console, reinstall the OS, view sensors logs and many other things. This document will help to familiarize you with the basic functions of the IPMI board.
First, locate your Welcome Email. In this email there will be an IPMI hostname, login, and password.
Copy/paste the hostname into your web browser and you should be presented with a page resembling this: