CONTENTS

 1     General
        1.1     References
        1.2     Abbreviations
        1.3     Definitions
        1.4     Reference point naming
        1.5     Reference point information naming
        1.6     Atomic function naming and diagrammatic conventions
        1.7     Atomic function process allocation
        1.8     Combination rules
        1.9     Fault management and performance monitoring naming
       1.10     Fault management and performance monitoring specification techniques
       1.11     Performance and reliability
 2     Supervision processes and management information flows
        2.1     Information flow (XXX_MI) across the XXX_MP reference points
        2.2     Supervision
        2.3     Generic processes
 3     SDH physical layer
        3.1     Connection
        3.2     Termination: OSn_TT and ESn_TT
        3.3     Adaptation
        3.4     Sublayer functions (N/A)
 4     Regenerator section layer
        4.1     Connection (Not/Applicable)
        4.2     Termination: RSn_TT
        4.3     Adaptation
        4.4     Sublayer functions (N/A)
 5     Multiplex section layer
        5.1     Connection (N/A)
        5.2     Termination: MSn_TT
        5.3     Adaptation
        5.4     Sublayer functions
 6     Higher order SDH path (Sn) layer
        6.1     Connection Functions: Sn_C
        6.2     Termination functions: Sn_TT, Snm_TT and Sns_TT
        6.3     Adaptation functions
        6.4     Sublayer functions
 7     Lower order SDH path (Sm) layer
        7.1     Connection functions: Sm_C
        7.2     Termination functions: Sm_TT, Smm_TT and Sms_TT
        7.3     Adaptation functions
        7.4     Sublayer functions
 8     Compound functions
        8.1     Transport Terminal Function (TTF)
        8.2     Higher Order Interface (HOI)
        8.3     Lower Order Interface (LOI)
        8.4     Higher Order Assembler (HOA)
 9     Timing functions
        9.1     Synchronous Equipment Timing Source (SETS) function
        9.2     Synchronous Equipment Timing Physical Interface (SETPI) function
10     Specification of jitter and wander
       10.1     STM-N interfaces
       10.2     PDH interfaces
11     Overhead Access Function (OHA)
Annex A –  Multiplex Section Protection (MSP) protocol, commands and operation
        A.1     MSP Protocol
        A.2     MSP commands
        A.3     Switch operation
Annex B – Multiplex section protection (MSP) 1 + 1 optimized protocol,  commands and operation
        B.1     1 + 1 bidirectional switching optimized for a network using predominantly 1 + 1 bidirectional switching
        B.2     Switch commands
        B.3     Switch operation
Annex C – Algorithm for pointer detection
        C.1     Pointer interpretation
        C.2     Concatenated payloads
        C.3     Pointer processing flow chart
Annex D – PDH physical section layers
        D.1     PDH physical section layer (Eq)
Appendix I – Example of F1 byte usage
Appendix II – CM configuration examples
Appendix III – Example of remote indication operation
      III.1     Remote Defect Indication (RDI)
      III.2     Remote Error Indication (REI)
Appendix IV – Alarm Indication Signal (AIS)
Appendix V – Signal Fail (SF) and Signal Degrade (SD)
        V.1     Server Signal Fail (SSF) signal
        V.2     Server Signal Degrade (aSSD) signal
        V.3     Trail Signal Fail (TSF) signal
        V.4     Trail Signal Degrade (TSD) signal
Appendix VI – Data Communications Channel (DCC)
Appendix VII – Atomic function modelling of basic functions from 1994 G.783