What is remote access?
Remote access functionality, sometimes called "Lights Out" management , is a standard feature on mid- and high-end servers. It allows a system administrator to remotely access the console of the server as well as performing power on, off and reset operations. Most implementations also allow for remote media management, allowing the administrator to remotely connect CD-ROM or floppy images across the network to the server.
What is virtual media?
The Virtual Media is a Java application (loads through Java Webstart) and allows either the local CD/DVD drive, or an ISO image to be connected remotely to the server: The Virtual KVM is also a Jave Webstart application and provides access to the server console.