Synchronous Digital Hierarchy (SDH) - Management of Connection Supervision Functionality (HCS/LCS) for the Network Element View Series G: Transmission Systems and Media Digital Systems and Networks Digital Terminal Equipments - Operations Administration a
Subclause 5.1 provides an overview of the SDH Connection Supervision information model. Clauses 6 to 12 describe the information model using the mechanisms defined in X.722. Clause 15 contains the syntax definitions of the information carried in the protocol using Abstract Syntax Notation One (ASN.1) defined in X.680 – X.683. Naming and Inheritance are illustrated in informative Appendix I. Clauses 5 to 15 are normative; all other text is informative.