ETS 300 746 : 20001
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
Hardcopy , PDF
English
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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.