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ETSI
ETS 300 746 : 20001

ETS 300 746 : 20001

Current

Current

The latest, up-to-date edition.

TRANSMISSION AND MULTIPLEXING (TM) - SYNCHRONOUS DIGITAL HIERARCHY (SDH) - NETWORK PROTECTION SCHEMES - AUTOMATIC PROTECTION SWITCH (APS) PROTOCOLS AND OPERATION

Available format(s)

Hardcopy , PDF

Language(s)

English

Publisher

European Telecommunications Standards Institute

Foreword
1 Scope
2 Normative references
3 Abbreviations
4 Definitions and classifications
  4.1 General definitions
  4.2 Ring definitions
  4.3 Protection classifications
5 Multiplex section trail protection protocols
  5.1 Multiplex section trail linear protection
  5.2 2-fibre multiplex section trail shared protection
      ring
  5.3 4-fibre multiplex section trail shared protection
      ring
  5.4 2-fibre multiplex section trail dedicated protection
      ring
  6.1 LO/HO trail protection
  6.2 LO/HO SNC protection
Annex A (normative): Squelching mechanism in MS-Shared
        Protection Rings
    A.1 Squelching of HO traffic
Annex B (informative): Examples of protection switching
        in an MS shared protection ring
    B.1 Unidirectional signal fail (ring)
    B.2 Bi-directional signal fail (ring)
    B.3 Unidirectional signal degrade (ring)
    B.4 Detection and clearing of a unidirectional
        SF-R in presence of another unidirectional
        SF-R on a non-adjacent span
    B.5 Unidirectional SF-R pre-empting a
        unidirectional SD-R on a non-adjacent span
    B.6 Unidirectional SD-R pre-empting a
        unidirectional MS-R on an adjacent span
Annex C (informative): Bibliography
History

Specifies the Automatic Protection Switching (APS) requirements, switching initiation criteria, and the APS protocols of Synchronous Digital Hierarchy (SDH) multiplex section shared protection ring, multiplex section dedicated protection ring, multiplex section linear protection, and path trail and Sub-Network Connection (SNC) protection schemes.

Committee
TM 3
DocumentType
Standard
Pages
66
PublisherName
European Telecommunications Standards Institute
Status
Current
Supersedes

Standards Relationship
NBN ETS 300 746 : 1997 Identical
DIN ETS 300746:1997-12 Identical
PN ETS 300 746 : 2005 Identical

TS 101 009 : 1.1.1 TRANSMISSION AND MULTIPLEXING (TM); SYNCHRONOUS DIGITAL HIERARCHY (SDH); NETWORK PROTECTION SCHEMES; TYPES AND CHARACTERISTICS
ETS 300 417-3-2 : 20001 TRANSMISSION AND MULTIPLEXING (TM); GENERIC REQUIREMENTS OF TRANSPORT FUNCTIONALITY OF EQUIPMENT; SYNCHRONOUS TRANSPORT MODULE-N (STM-N) REGENERATOR AND MULTIPLEX SECTION LAYER FUNCTIONS; IMPLEMENTATION CONFORMANCE STATEMENT (ICS) PROFORMA SPECIFICATION
ETS 300 417-3-1 : 20001 TRANSMISSION AND MULTIPLEXING (TM); GENERIC REQUIREMENTS OF TRANSPORT FUNCTIONALITY OF EQUIPMENT; PART 3-1:SYNCHRONOUS TRANSPORT MODULE-N(STM-N) REGENERATOR AND MULTIPLEX SECTION LAYER FUNCTIONS
TS 101 010 : 1.1.1 TRANSMISSION AND MULTIPLEXING (TM); SYNCHRONOUS DIGITAL HIERARCHY (SDH); NETWORK PROTECTION SCHEMES; INTERWORKING: RINGS AND OTHER SCHEMES

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