GR-468-CORE: Generic Reliability Assurance Requirements for Optoelectronic Devices Used in Telecommunications Equipment

1.1 Scope and Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 1.2 Reliability Assurance Overview and Philosophy . . . . . . . . . . . . . . . . 1–2 1.2.1 Overview of Reliability Assurance . . . . . . . . . . . . . . . . . . . . . . 1–2 1.2.2 Reliability Assurance Generic Requirements Philosophy . . . . . . . . . 1–3 1.3 Document History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4 1.3.1 Changes Between Issues 1 and 2 of GR-468-CORE . . . . . . . . . . . . . 1–4 1.3.2 Changes Between TR-NWT-000468/TA-NWT-000983 and GR-468-CORE, Issue 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5 1.4 Related Telcordia Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6 1.5 Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7 1.5.1 Device Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7 1.5.2 Suppliers, Manufacturers, and Customers . . . . . . . . . . . . . . . . . 1–11 1.5.3 Operating Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–11 1.5.3.1 CO Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–12 1.5.3.2 UNC Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–12 1.5.4 Quality Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–13 1.5.5 Failure Rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–15 1.5.6 Requirements Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . 1–15 1.6 Requirement Labeling Conventions . . . . . . . . . . . . . . . . . . . . . . . . 1–16 1.6.1 Numbering of Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–16 1.6.2 Identification of Object Content . . . . . . . . . . . . . . . . . . . . . . . 1–16 1.6.3 Requirement Object Absolute Number Assignment . . . . . . . . . . . . 1–17