The cn8000 is a control unit that provides over ip capability to kvm switches that do not have built in over ip functionality it allows operators to monitor and access their computers from remote locations using a browser based windows client or java applet or with ap windows and java application programs the cn8000 provides a dedicated rs 232 port for modem access as well as a usb 20 port for virtual media capability with its advanced features the cn8000 is the fastest most reliable