A duplicate control and processing unit for telecommunications equipment consisting of two identical control units connected together is described. Each control unit (UC0, UC1) comprises a processing unit (UP0, UP1) which can be active or on standby, a peripheral data random access memory (RAM) for...http://www.google.es/patents/US5784551?utm_source=gb-gplus-sharePatente US5784551 - Duplicate control and processing unit for telecommunications equipment
Duplicate control and processing unit for telecommunications equipment
