可靠性预测程序电子设备Telcordia技术专题报告SR-332

A predicTIon of reliability is an important element in the process of selecTIng

　　IntroducTIon This secTIon details the purpose and scope of the reliability prediction procedure and indicates changes from the previous issue （SR-332， Issue 1， May 2001）。 1.1 Purpose and Scope A prediction of reliability is an important element in the process of selecting equipment for use by telecommunications service providers and other buyers of electronic equipment. As used here， reliability is a measure of the frequency of equipment failures as a function of time. Reliability has a major impact on maintenance and repair costs and on the continuity of service. The purpose of this Reliability Prediction Procedure （RPP） is to document recommended methods for predicting device and unit hardware reliability.