SIST EN 300 417-1-1 V1.2.1:2003

• Abstract:

  Generic functional requirements for all types of SDH equipment based on a functional decomposition approach with rules for combining functions to form equipment. Specific layers are described in part 2-1 to 7-1. Amendment 1

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.040.20 - Transmission systems
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 300 417-1-1 V1.2.1 (2001-10) - Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 1-1: Generic processes and performance

SIST EN 300 417-1-1 V1.2.1:2003 is the Slovenian standard that adopts ETSI EN 300 417-1-1 for Transmission and Multiplexing (TM). It specifies generic processes and performance for the transport functionality of Synchronous Digital Hierarchy (SDH) equipment, using a functional decomposition model and rules for combining atomic functions into equipment descriptions. Engineers, operators, buyers and maintenance teams use it to describe, compare and manage SDH transport equipment in a common way.

What does SIST EN 300 417-1-1 V1.2.1:2003 specify?

SIST EN 300 417-1-1 V1.2.1:2003 specifies a library of basic building blocks and the rules for combining them to describe the transport functionality of equipment. A compliant piece of equipment must be describable as an interconnection of a subset of the functional blocks defined here, and those interconnections must follow the combination rules.

The document is organized into clauses 1 to 11. It covers scope, references, abbreviations and definitions, the functional-model introduction, layering principles, combination rules, maintenance signals and processes, supervision, protection, timing, and general performance. Annex L gives a structured view of the protection process, and Annex M is the bibliography.

A practical boundary is also visible in the technical text: the specific SDH layers are handled in parts 2-1 to 7-1 of the series, so this part focuses on the generic model rather than on one specific layer.

Annex	What it covers
L	Protection process overview, switch commands, operating states, APS signal definition, and switching performance
M	Bibliography

What are the key requirements of SIST EN 300 417-1-1 V1.2.1:2003?

Functional model and layering

Clause 4 makes the key modelling rule clear: the standard uses functional decomposition so that equipment can be described independently of implementation. In practice, that means a vendor can choose the hardware architecture, but the external functional description must still match the standard's atomic functions and naming scheme.

Clause 5 defines the network layering principles. Each layer is built from a connection function, a trail termination function, and one or more adaptation functions, with reference points such as Connection Points (CPs), Access Points (APs), Timing Points (TPs) and Management Points (MPs). This matters because design, documentation and management all rely on the same layer boundaries.

Clause 5.4 also allows transmission sub-layers for protection and tandem connection monitoring. That is important for equipment that needs to supervise only part of a trail or to model protection separately from normal traffic handling.

Combination rules and connectivity

Clause 6 says that functions sharing the same characteristic or adapted information may be combined. It also defines directionality, bi-directional pairs, compound functions and major compound functions. In practice, this gives a standard way to describe a cross-connect, an add-drop node or a more complex SDH function without changing the underlying model.

The same clause explains matrix connections, including 1-port, 2-port, 3-port and 4-port examples. These tables are used to show which connection points can be linked, which is what designers and integrators need when they verify switching capability or port-to-port connectivity.

Maintenance signals and fault detection

Clause 7 defines the maintenance signals used to keep trails under control. Trail Trace Identifier (TTI) is used to confirm trail set-up and detect misconnection, Trail Signal Label (TSL) identifies whether a signal is equipped, unequipped or of the expected payload type, and Error Detection Code (EDC) supports bit-error monitoring. In practice, these are the tools used to prove that a trail is connected to the right destination and carrying the right type of payload.

The same clause defines Remote Defect Indication (RDI), Remote Error Indication (REI) and Alarm Indication Signal (AIS). These signals let defects and error counts be reported back to the far end, which matters when the two ends of a trail are managed by different systems.

Clause 7 also covers non-intrusive monitoring. That is useful where traffic must keep flowing while maintenance staff localize a fault, monitor a hand-off point, or supervise a leased service without interrupting it.

Supervision and alarm handling

Clause 8 splits supervision into atomic function fault management and equipment management. It uses filters for anomaly-to-defect processing, consequent action control and fault-cause correlation, then lets the Equipment Management Function (EMF) turn those into alarms and performance reports. That means the standard does not treat every anomaly as an alarm - it defines the steps between signal impairment and reported failure.

Clause 8.5 introduces termination point modes, MON and NMON, to suppress fault reporting during provisioning, set-up, breakdown or rearrangement. This matters in real networks because it prevents temporary engineering work from creating false alarms.

Clause 8.4 also states which performance events the EMF collects: ES, SES, Background Block Error (BBE), Unavailable Time/Unavailable Second and Pointer Justification Event (PJE). These counters are the basis for service-quality reporting and troubleshooting.

Protection, timing and performance

Clause 9 describes protection architectures, including 1:n, 1+1, SPRING and the SNC protection classes SNC/I, SNC/N and SNC/S. The point in practice is that the standard provides a common way to model how traffic is switched to protection capacity when a defect occurs.

Annex L expands the protection process with switch commands, state handling, APS signal fields and switching times. One practical rule stated there is the completion time target for automatically initiated protection switching, which is critical when equipment has to restore service quickly.

Clause 10 covers synchronization collection, selection and distribution. It distinguishes external and internal synchronization inputs and explains recovered, locally generated and smoothed clocks. That is important because timing quality directly affects jitter and wander.

Clause 11 then gathers the higher-level performance rules. It covers availability objectives, jitter and wander generation, tolerance and transfer, error performance under environmental conditions, blocking factor, and connection set-up time. For buyers and designers, this is the part that links the functional model to service quality.

What terms does SIST EN 300 417-1-1 V1.2.1:2003 define?

• Process - A generic action, or a collection of actions, used to describe what the equipment does.
• Function - A process for digital transmission hierarchies that transforms input information into output information.
• Atomic function - A function that is indivisible from a network point of view and is used as a basic building block.
• Access Point (AP) - The reference point where adaptation meets trail termination, and where adapted client-layer information passes across.
• Connection Point (CP) - The reference point where trail termination or connection functions are bound together.
• Trail Trace Identifier (TTI) - The identifier carried to confirm trail set-up and detect misconnections.
• Alarm Indication Signal (AIS) - An all-ONEs characteristic or adapted information signal used to replace faulty traffic and limit downstream alarm propagation.

Who uses SIST EN 300 417-1-1 V1.2.1:2003?

SIST EN 300 417-1-1 V1.2.1:2003 is used by SDH equipment designers and vendors who need to describe equipment as atomic functions and connection rules. It is also used by network operators, maintenance engineers and operations teams who work with supervision, protection, timing, alarm handling and fault localization.

Management system developers and TMN integrators use it to map functional behaviour to managed objects, notifications and counters. Buyers and quality managers use it to compare vendor descriptions of transport equipment and to check whether the equipment is described in the same functional language as the rest of the SDH series.

What changed in SIST EN 300 417-1-1 V1.2.1:2003 from the previous edition?

The series was converted into parts of EN 300 417 without technical changes, although some editorial changes were needed. Parts 2-1 and 3-2 were adjusted to correct editorial errors from edition 1, and Part 1-1 received a title change to align with later parts. The foreword also notes that parts 8-1, 8-2 and 8-3 were stopped.

Which standards are used with SIST EN 300 417-1-1 V1.2.1:2003?

Standard	What it contributes
ETSI ETS 300 019	Environmental conditions and environmental tests for telecom equipment
ETSI EN 300 147	SDH multiplexing structure
ETSI EN 300 167	Functional characteristics of 2 048 kbit/s interfaces
ETSI EN 300 417-7-1	Equipment management and auxiliary layer functions
ETSI EN 300 462-2	Synchronization network architecture
ETSI EN 300 462-3	Control of jitter and wander within synchronization networks
ETSI EN 300 462-4	Timing characteristics of slave clocks for SDH and PDH equipment
ETSI EN 300 462-5	Timing characteristics of slave clocks for SDH equipment
ITU-T G.703	Electrical interface characteristics used in adaptation and interface definitions
ITU-T G.704	CRC-4 reference for PDH-related error detection
ITU-T G.707	BIP-N reference for SDH error monitoring
ITU-T G.783	Functional definitions consistent with the atomic functions
ITU-T G.805	Network-layer and connection concepts used in the functional model
ITU-T G.825	Jitter and wander measurement basis for STM-N interfaces
ITU-T G.841	Hold-off time reference for protection switching
ITU-T G.957	Optical interfaces for SDH equipment
ITU-T X.721	Structure of management information
ITU-T M.20	Maintenance philosophy for telecommunication networks
ITU-T M.3010	Principles for a telecommunications management network
ITU-T O.151	Error-performance measuring equipment
ETSI EN 300 417-4-1	Asynchronous demapping processes used in jitter and wander allocation
ETSI EN 300 417-5-1	Asynchronous mapping processes used in jitter and wander allocation

What does the SIST EN 300 417-1-1 V1.2.1:2003 document contain?

The document contains a functional vocabulary, naming and numbering schemes, and many explanatory figures that show how SDH and PDH layers are modelled. It also includes tables and diagrams for connection matrices, trail identifiers, alarm signals, protection architectures, APS behaviour, and synchronization distribution.

Clause 8 contains fault-management decomposition figures and performance-monitoring flows, while clause 9 and Annex L contain protection-process state handling, switch requests and APS signalling. Clause 10 adds synchronization collection and distribution diagrams, and clause 11 brings together availability, jitter/wander, error performance and connection set-up topics.

For design and testing work, the document is especially useful because it shows the signal flows, state machines, monitoring paths and example numbering schemes that underpin SDH equipment descriptions.

SLOVENSKI STANDARD
01-december-2003
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Transmission and Multiplexing (TM); Generic requirements of transport functionality of
equipment; Part 1-1: Generic processes and performance
Ta slovenski standard je istoveten z: EN 300 417-1-1 Version 1.2.1
ICS:
33.040.20 Prenosni sistem Transmission systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

European Standard (Telecommunications series)

Transmission and Multiplexing (TM);
Generic requirements of transport functionality of equipment;
Part 1-1: Generic processes and performance

2 ETSI EN 300 417-1-1 V1.2.1 (2001-10)

Reference
REN/TM-01042-1-1
Keywords
architecture, generic, performance, SDH,
transmission, transport
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All rights reserved.
ETSI
3 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
Contents
Intellectual Property Rights.7
Foreword.7
1 Scope.9
2 References.9
3 Abbreviations, definitions and symbols .11
3.1 Abbreviations.11
3.2 Definitions.14
3.3 Naming and numbering conventions.19
3.3.1 Bit numbering scheme .19
3.3.2 STM-N SOH byte numbering scheme.19
3.3.3 Atomic function naming scheme .20
3.3.4 Information naming scheme.20
3.3.5 AU/TU numbering scheme.21
3.3.5.1 AU numbering scheme.21
3.3.5.2 TU numbering scheme within a VC-4 .24
3.3.5.3 TU numbering scheme within a P31s.28
3.3.5.4 TU numbering scheme within a P4s.28
3.3.6 Reference points numbering scheme .29
3.3.7 Tributary port numbering scheme.29
3.3.8 PU numbering scheme.29
3.3.9 Supervision variables numbering scheme.30
3.4 Symbols and diagrammatic conventions .30
4 Introduction.32
4.1 Functional modelling rationale.33
4.1.1 Description of network elements - equipment functional specification.33
4.1.2 Implementation independence.33
4.1.3 Universal representation for management .33
4.2 The underlying principles of functional modelling .34
4.2.1 The client-server relationship .34
4.2.2 Atomic functions and compound functions .34
4.2.3 Network functions included in specific equipment.34
4.2.4 The functional model and the information model.34
5 Network layering principles .35
5.1 Transmission layers.35
5.2 Atomic functions.36
5.2.1 Connection function.37
5.2.2 Trail termination function.37
5.2.3 Adaptation function.38
5.3 Reference points.40
5.4 Transmission sub-layers.40
6 Combination rules.40
6.1 General.40
6.1.1 Binding at connection points .40
6.1.2 Binding at (termination) connection points .41
6.1.3 Binding at APs.41
6.1.4 Alternative binding representations .42
6.2 Directionality.42
6.3 Compound functions.43
6.4 Major compound functions.43
6.5 Trail, (sub)network connections, link connections, matrix connections, and tandem connections .44
6.6 Matrix connections.44
6.6.1 1-port.45
6.6.2 2-port.45
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4 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
6.6.3 3-port.46
6.6.4 4-port.46
7 Maintenance signals and processes .47
7.1 Trail Trace Identifier (TTI) .47
7.2 Trail Signal Label (TSL) .49
7.2.1 Unequipped signal application.49
7.2.2 Supervisory-unequipped signal application .50
7.2.3 Adaptation function selection supervision process.52
7.2.4 Connection monitoring application.52
7.3 Error Detection Code (EDC).53
7.4 Remote indications.53
7.4.1 Remote Defect Indication (RDI).53
7.4.2 Remote Error Indication (REI) .54
7.5 Alarm Indication Signal (AIS) .55
7.6 Non-intrusive monitoring of characteristic information at connection points.57
7.6.1 Fault localization scenario using non-intrusive monitors .58
7.7 Signal fail and signal degrade.59
7.7.1 Server Signal Fail (CI_SSF) signal.59
7.7.2 Server Signal Fail failure (fSSF).59
7.7.3 Server Signal Degrade (aSSD) signal .60
7.7.4 Trail Signal Fail (AI_TSF) signal .60
7.7.5 Trail Signal Degrade (aTSD) signal .60
8 Supervision process.60
8.1 Introduction.60
8.2 Atomic function fault management .62
8.2.1 Defect filter f1.64
8.2.1.1 Introduction.64
8.2.1.2 Trail Signal Label (TSL).64
8.2.1.3 Trail Trace Identifier (TTI) .66
8.2.1.4 Error Detection Code (EDC) violation and Degraded (DEG).67
8.2.1.5 Remote Defect Indicator (RDI).68
8.2.1.6 Loss of signal .68
8.2.1.7 Alarm Indication Signal (AIS) .69
8.2.1.7.1 PDH signals.69
8.2.1.7.2 SDH signals.69
8.2.1.8 Loss of frame, multiframe, pointer, tandem connection, sequence structure .70
8.2.1.9 Failure of protocol.71
8.2.1.10 Equipment defects.71
8.2.1.11 Transmit Fail.71
8.2.1.12 Loss of Tandem Connection Unequipped (dUNEQ) .71
8.2.2 Consequent action filter f2.72
8.2.2.1 Alarm Indication Signal (AIS) .73
8.2.2.2 Remote Defect Indicator (RDI).74
8.2.2.3 Remote Error Indication (REI).74
8.2.2.4 Server Signal Fail (SSF).75
8.2.2.5 Trail Signal Fail (TSF).75
8.2.2.6 Trail Signal Degrade (TSD) .75
8.2.2.7 Unequipped Virtual Container (VC) signal.76
8.2.2.8 Unit Failure (UF) .76
8.2.2.9 (Automatic) laser shutdown (ALS/LS) .76
8.2.2.10 Server Signal Degrade (SSD).76
8.2.3 Fault cause filter f3 .76
8.2.3.1 Termination sink function .76
8.2.3.2 Termination supervisory sink function.77
8.2.3.3 Adaptation sink function.77
8.2.3.4 Connection function.78
8.2.4 Performance monitoring filter f11 (pN_EBC).78
8.2.5 Performance monitoring filter f12 (pN_DS).78
8.2.6 Performance monitoring filter f21 (pF_EBC).78
8.2.7 Performance monitoring filter f22 (pF_DS) .78
ETSI
5 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
8.2.8 pPJE.78
8.3 Equipment management function fault management process .79
8.4 Equipment Management Function (EMF) performance monitoring process .79
8.5 Trail termination point mode and port mode.79
8.6 Access point mode.80
9 Protection process.80
9.1 Introduction.80
9.2 General.80
9.2.1 Protection architectures.81
9.2.2 Switching types.83
9.2.2.1 APS channel provisioning.83
9.2.2.2 APS channel usage.84
9.2.2.3 APS channel coding .84
9.2.3 Operation types.84
9.2.4 Protection switch requests .84
9.2.5 Protection switch performance .84
9.2.6 Protection switch state machine.85
9.2.7 Protection connection function (I/O and processes) .85
9.2.8 Hold Off timer .85
9.3 Trail protection class.86
9.3.1 Linear trail protection .86
9.3.2 SPRING protection.87
9.3.3 DPRING protection.88
9.4 SNC protection class .88
9.4.1 Inherently monitored SNC (SNC/I) protection.88
9.4.2 Non-intrusively monitored SNC (SNC/N) protection.89
9.4.3 Sublayer monitored SNC (SNC/S) protection .90
9.5 Equipment protection.91
10 Timing processes.91
10.1 Introduction.91
10.2 Synchronization timing collection.92
10.2.1 External synchronization reference inputs.92
10.2.2 Internal synchronization reference input.93
10.3 Synchronization timing selection and processing.93
10.3.1 Synchronization reference source selection.93
10.3.2 Clock processing.93
10.4 Synchronization timing distribution .93
10.4.1 Internal synchronization distribution interfaces.94
10.4.2 Synchronization reference outputs.94
10.5 Inter atomic function timing.94
10.6 AIS timing.94
11 General performance.95
11.1 Availability objectives.95
11.1.1 General.95
11.1.2 Parameters.95
11.1.3 Derivation of MTBF values.96
11.2 Transfer delay.96
11.3 Jitter and wander.97
11.3.1 Jitter and wander generation .97
11.3.1.1 Jitter and wander generation on STM-N signals .98
11.3.1.2 Jitter and wander generation on PDH interfaces .99
11.3.1.3 Jitter and wander generation on 2 048 kHz or 2 048 kbit/s synchronization interfaces .100
11.3.2 Jitter and wander tolerance .100
11.3.2.1 Jitter and wander tolerance on optical interfaces .101
11.3.2.2 Jitter and wander tolerance on PDH interfaces .101
11.3.2.3 Jitter and wander tolerance on 2 048 kHz synchronization interfaces .101
11.3.2.4 Pattern dependence testing.101
11.3.3 Jitter and wander transfer functions.102
11.3.3.1 Jitter transfer specification for SDH regenerators .102
11.3.3.2 Jitter transfer specification for SDH multiplex equipment.103
ETSI
6 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
11.3.4 Performance on synchronization reference change-over .103
11.4 Error performance.103
11.5 Blocking factor.103
11.6 Connection set-up time.103
Annex A (normative): Pointer generation.104
Annex B (normative): Pointer interpretation.106
Annex C (informative): Network "production rules".116
Annex D (informative): Flexible assignment of tributary port to VC-12 capacity.118
Annex E (informative): Relationship between TU-2/12 address, and location of columns
within a VC-4 .119
Annex F (informative): Relationship between TU-2/12 address, and location of columns
within a P4s TUG3 structured payload .121
Annex G (informative): Relationship between TU-2/12 address, and location of columns
within a P4s TUG2 structured payload .124
Annex H (informative): Performance monitoring history process.126
Annex I (informative): Protection switch examples.127
Annex J (informative): Applications of supervisory-unequipped signals.128
Annex K (informative): Implementation of the CID immunity measurement .130
Annex L (normative): Generic specification of linear protection switching operation .132
L.1 Protection process overview.133
L.2 External switch commands definition .134
L.3 Conditions of working and protection trail/connections .136
L.4 States within protection process.136
L.5 Numbering of working, protection, normal, extra traffic, null signals.137
L.6 Priority of request types (conditions, external commands, states) .138
L.7 APS signal definition.139
L.7.1 APS signal fields .139
L.7.2 STM-N MS-APS.140
L.7.3 STM-N VC-APS.141
L.8 Switch performance: switching and holdoff times.141
L.9 Subprocesses.141
Annex M (informative): Bibliography.150
History .151

ETSI
7 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://www.etsi.org/legal/home.htm).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Transmission
and Multiplexing (TM).
The present document is one of a family of documents that has been produced in order to provide inter-vendor and
inter-operator compatibility of Synchronous Digital Hierarchy (SDH) equipment.
The present document is part 1, sub-part 1 of a multi-part deliverable covering the Generic requirements of transport
functionality of equipment, as identified below:
Part 1-1: "Generic processes and performance";
Part 1-2: "General information about Implementation Conformance Statement (ICS) proforma";
Part 2-1: "Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section
layer functions";
Part 2-2: "Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) physical section
layer functions; Implementation Conformance Statement (ICS) proforma specification";
Part 3-1: "Synchronous Transport Module-N (STM-N) regenerator and multiplex section layer functions";
Part 3-2: "Synchronous Transport Module-N (STM-N) regenerator and multiplex section layer functions;
Implementation Conformance Statement (ICS) proforma specification";
Part 4-1: "Synchronous Digital Hierarchy (SDH) path layer functions";
Part 4-2: "Synchronous Digital Hierarchy (SDH) path layer functions; Implementation Conformance Statement
(ICS) proforma specification";
Part 5-1: "Plesiochronous Digital Hierarchy (PDH) path layer functions";
Part 5-2: "Plesiochronous Digital Hierarchy (PDH) path layer functions; Implementation Conformance Statement
(ICS) proforma specification";
Part 6-1: "Synchronization layer functions";
Part 6-2: "Synchronization layer functions; Implementation Conformance Statement (ICS) proforma specification";
Part 7-1: "Equipment management and auxiliary layer functions";
Part 9-1: "Synchronous Digital Hierarchy (SDH) concatenated path layer functions; Requirements".
Parts 2 to 7 specify the layers and their atomic functions.
NOTE 1: The present document does not currently address configuration management.
NOTE 2: The SDH radio equipment functional blocks are addressed by ETSI WG TM4.
ETSI
8 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
Various of the above parts have previously been published as parts of EN 300 417.
They have been converted to parts of EN 300 417 without technical changes, but some editorial changes have been
necessary (e.g. references). In particular:
- Parts 2-1 and 3-2 have been modified to take account of editorial errors present in edition 1.
- Part 1-1 has had its title change of to align with other parts published at a later date.
Also note that in the meantime parts 8-1, 8-2 and 8-3 have been stopped.

National transposition dates
Date of adoption of this EN: 12 October 2001
Date of latest announcement of this EN (doa): 31 January 2002
Date of latest publication of new National Standard
or endorsement of this EN (dop/e): 31 July 2002
Date of withdrawal of any conflicting National Standard (dow): 31 July 2002

ETSI
9 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
1 Scope
The present document specifies a library of basic building blocks and a set of rules by which they are combined in order
to describe transport functionality of equipment. The library comprises the functional building blocks needed to
completely specify the generic functional structure of the European transmission hierarchies. Equipment which is
compliant with the present document needs to be describable as an interconnection of a subset of these functional
blocks contained within the present document. The interconnections of these blocks need to obey the combination rules
given. The generic functionality is described in the present document.
2 References
The following documents contain provisions which, through reference in this text, constitute provisions of the present
document.
• References are either specific (identified by date of publication, edition number, version number, etc.) or
non-specific.
• For a specific reference, subsequent revisions do not apply.
• For a non-specific reference, the latest version applies.
[1] ETSI ETS 300 019: "Equipment Engineering (EE); Environmental conditions and environmental
tests for telecommunications equipment".
[2] ETSI EN 300 147: "Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH);
Multiplexing structure".
[3] ETSI EN 300 167: "Transmission and Multiplexing (TM); Functional characteristics of
2 048 kbit/s interfaces".
[4] ETSI ETS 300 232 (1993): "Transmission and Multiplexing (TM); Optical interfaces for
equipments and systems relating to the Synchronous Digital Hierarchy [ITU-T Recommendation
G.957 (1993), modified]".
[5] ETSI ETS 300 304: "Transmission and Multiplexing (TM); Synchronous Digital Hierarchy
(SDH); SDH information model for the Network Element (NE) view".
[6] ETSI ETS 300 337: "Transmission and Multiplexing (TM); Generic frame structures for the
transport of various signals (including Asynchronous Transfer Mode (ATM) cells and
Synchronous Digital Hierarchy (SDH) elements) at the ITU-T Recommendation G.702
hierarchical rates of 2 048 kbit/s, 34 368 kbit/s and 139 264 kbit/s".
[7] ETSI EN 300 417-2-1: "Transmission and Multiplexing (TM); Generic requirements of transport
functionality of equipment; Part 2-1: Synchronous Digital Hierarchy (SDH) and Plesiochronous
Digital Hierarchy (PDH) physical section layer functions".
[8] ETSI EN 300 417-3-1: "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".
[9] ETSI EN 300 417-4-1: "Transmission and Multiplexing (TM); Generic requirements of transport
functionality of equipment; Part 4-1: Synchronous Digital Hierarchy (SDH) path layer functions".
[10] ETSI EN 300 417-5-1: "Transmission and Multiplexing (TM); Generic requirements of transport
functionality of equipment; Part 5-1: Plesiochronous Digital Hierarchy (PDH) path layer
functions".
[11] ETSI EN 300 417-6-1: "Transmission and Multiplexing (TM); Generic requirements of transport
functionality of equipment; Part 6-1: Synchronization layer functions".
ETSI
10 ETSI EN 300 417-1-1 V1.2.1 (2001-10)
[12] ETSI EN 300 417-7-1: "Transmission and Multiplexing (TM); Generic requirements of transport
functionality of equipment; Part 7-1: Equipment management and auxiliary layer functions".
[13] ETSI EN 300 462-2: "Synchronization network architecture".
[14] ETSI EN 300 462-3: "The control of jitter and wander within synchronization networks".
[15] ETSI EN 300 462-4: "Timing characteristics of slave clocks suitable for synchronization supply to
Synchronous Digital Hierarchy (SDH) and Plesiochronous Digital Hierarchy (PDH) equipment".
[16] ETSI EN 300 462-5: "Timing characteristics of slave clocks suitable for operation in Synchronous
Digital Hierarchy (SDH) equipment".
[17] ETSI EN 300 462-6: "Timing characteristics of primary reference clocks".
[18] ETSI ETS 300 746: "Transmission and Multiplexing (TM); Synchronous Digital Hierarchy
(SDH); Network protection schemes; Automatic Protection Switch (APS) protocols and
operation".
[19] ETSI EN 302 084: "Transmission and Multiplexing (TM); The control of jitter and wander in
transport networks".
[20] ITU-T Recommendation E.862 (1992): "Dependability planning of telecommunication networks".
[21] ITU-T Recommendation G.703 (1998): "Physical/electrical characteristics of hierarchical digital
interfaces".
[22] ITU-T Recommendation G.704 (1998): "Synchronous frame structures used at 1 544, 6 312,
2 048, 8 488 and 44 736 kbit/s hierarchical levels".
[23] ITU-T Recommendation G.707 (1996): "Network node interface for the synchronous digital
hierarchy (SDH)".
[24] ITU-T Recommendation G.742 (1988): "Second order digital multiplex equipment operating at
8 448 kbit/s and using positive justification".
[25] ITU-T Recommendation G.751 (1988): "Digital multiplex equipments operating at the third order
bit rate of 34 368 kbit/s and the fourth order bit rate of 139 264 kbit/s and using positive
justification".
[26] ITU-T Recommendation G.783 (1997): "Characteristics of synchronous digital hierarchy (SDH)
equipment functional blocks".
[27] ITU-T Recommendation G.803 (1997): "Architecture of transport networks based on the
synchronous digital hierarchy (SDH)".
[28] ITU-T Recommendation G.805 (1995): "Generic functional architecture of transport networks".
[29] ITU-T Recommendation G.821 (1996): "Error performance of an international digital connection
operating at a bit rate below the primary rate and forming part of an integrated services digital
network".
[30] ITU-T Recommendation G.825 (1993): "The control of jitter and wander within digital networks
which are based on the synchronous digital hierarchy (SDH)".
[31] ITU-T Recommendation G.826 (1999): "Error performance parameters and objectives for
international, constant bit rate digital paths at or above the primary rate".
[32] ITU-T Recommendation G.831 (1996): "Management capabilities of transport networks based on
the Synchronous Digital Hierarchy (SDH)".
[33] ITU-T Recommendation G.841 (1998): "Types and characteristics of SDH network protection
architectures".
[34] ITU-T Recommendation G.911 (1997): "Parameters and calculatio
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