This invention provides fault tolerant capability for a Versa Module Eurocards backplane system design for high reliability applications. An approach of connecting two independent backplanes together electrically, but providing isolation capabilities in the event of a failure was developed. The electrical...http://www.google.com.hk/patents/US6564340?utm_source=gb-gplus-share專利 US6564340 - Fault tolerant virtual VMEbus backplane design
