A console concentrator is provided as an integral part of a modular computer system to provide access to consoles in the components of the system in a secure and flexible manner. For example, the console concentrator can provide a common point of access to respective consoles of a plurality of blades...http://www.google.com.tw/patents/US7225235?utm_source=gb-gplus-share專利 US7225235 - Computer system console access
