SIST EN 300 417-3-2 V1.1.2:2003

• Abstract:

  ICS proforma for ETS 300 417-3-1.

• 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 300 417-3-2 V1.1.2 (1998-11) - Transmission and Multiplexing (TM); Generic requirements of transport functionality of equipment; Part 3-2: Synchronous Transport Module-N (STM-N) regenerator and multiplex section layer functions; Implementation Conformance Statement (ICS) proforma specification

SIST EN 300 417-3-2 V1.1.2:2003 is the Slovenian adoption of EN 300 417-3-2 V1.1.2 from the ETSI telecommunications series. It is the Implementation Conformance Statement (ICS) proforma for ETS 300 417-3-1, covering Transmission and Multiplexing (TM) equipment at the STM-N regenerator and multiplex section layers. In practice, it tells a supplier or test lab how to declare which STM-1, STM-4 and STM-16 functions an implementation supports.

What does SIST EN 300 417-3-2 V1.1.2:2003 specify?

SIST EN 300 417-3-2 V1.1.2:2003 specifies the ICS proforma structure for STM-N transport functionality. The document is organized as a short main text with Clause 1 Scope, Clause 2 References, Clause 3 Definitions and abbreviations, and Clause 4 Conformance to this ICS proforma specification, followed by guidance and six annexes that capture the detailed proformas.

Annex A gives guidance for completing the ICS proforma. Annexes B to G then provide the implementation-specific tables and statements for the different STM rates and layer types.

Annex	What it covers
A	Guidance for completing the ICS proforma, abbreviations, conventions, and instructions
B	STM-1 regenerator section (RS1)
C	STM-1 multiplex section (MS1)
D	STM-4 regenerator section (RS4)
E	STM-4 multiplex section (MS4)
F	STM-16 regenerator section (RS16)
G	STM-16 multiplex section (MS16)

Each of the technical annexes follows the same pattern: implementation identification, identification of the EN, a global conformance statement, layer description, transmission tables, and defect, fault and performance monitoring tables. Where relevant, the annexes also include linear protection or ring protection sections. This structure matters because it lets one completed proforma show, in a consistent way, exactly which functions are implemented and how they behave.

What are the key requirements of SIST EN 300 417-3-2 V1.1.2:2003?

Implementation declaration and conformance

SIST EN 300 417-3-2 V1.1.2:2003 requires the user of the proforma to identify the implementation under test (IUT), the system under test (SUT), the product supplier, the client, and the ICS contact person in each annex where that applies. Clause 4 sets the overall conformance relationship for completing the proforma.

In practice, this means the document is not just a feature list. It is a structured declaration that ties each claimed capability to a named implementation and a named EN, so that test results and supplier claims can be compared without ambiguity.

Regenerator section functions

In the RS1, RS4 and RS16 annexes, the document covers regenerator section connection, trail termination, adaptation to MS, DCC, P0s and V0x layers, and the associated defect and performance monitoring. The trail termination items include frame alignment signal handling, scrambling and descrambling, in-service error monitoring, and Trail Trace Identifier (TTI) handling.

For example, the annexes refer to BIP-based error monitoring, RDI and REI signaling, and TTI mode support. In practice, this tells a developer or verifier what the equipment must process at the regenerator section boundary, what it must insert or recover, and what it must report when errors or defects are present.

Multiplex section functions

The MS1, MS4 and MS16 annexes cover multiplex section connection, trail termination, adaptation to S4 or S4-4c, DCC and P0s layers, and the related defect and performance monitoring. They also describe pointer handling for VC-4 and AU-4 alignment, frequency justification, elastic store behavior, and the mapping of payload into the multiplex section.

This matters because the multiplex section is where the document checks how the transport path is framed, aligned and recovered in real operation. The proforma makes the implementer state whether the product supports the required pointer and justification behavior, which is central to correct STM-N interoperability.

Protection switching

The protection-related clauses cover linear trail protection in 1+1 and 1:n arrangements, plus the two-fibre shared protection ring in Annex G. The proforma asks about APS channels, request types, bridge and selector control, revertive and non-revertive operation, WTR, switching time, extra traffic, and external commands such as Clear, Lockout, Forced Switch, Manual Switch and Exercise.

In practice, this is the part that shows how the equipment behaves during failures and recovery. It tells a buyer or test lab whether the implementation supports the protection mode they need and which control and status functions must be verified.

Defect, fault and performance monitoring

Across the annexes, the document tracks defect detection and clearance, consequent actions, defect correlation, and performance monitoring. The listed cases include dTIM, dAIS, dRDI, dDEG, dPAM, dINV, dTMOUT and dSCM, as well as CI_SSF and AI_TSF actions and reporting.

This matters in service because alarms and counters have to line up with the actual network condition. The proforma therefore checks not only whether a defect is detected, but also what the equipment outputs, what it clears, and how it reports the condition to the rest of the system.

Repeated annex structure for different STM rates

The annexes repeat the same functional logic for STM-1, STM-4 and STM-16, but with rate-specific details such as payload size, pointer area, block length, and protection options. That repetition is deliberate: it lets one document cover several equipment classes while keeping the conformance questions comparable.

For a reader selecting equipment or planning tests, this means the document is useful both for one specific STM rate and for comparing how a vendor implements the same function across multiple rates.

What terms does SIST EN 300 417-3-2 V1.1.2:2003 define?

• Implementation Under Test (IUT) - the implementation whose declared capabilities are being recorded in the ICS proforma.
• System Under Test (SUT) - the larger system context in which the IUT is assessed.
• Trail Trace Identifier (TTI) - the 16-byte trace information used to identify the transmitted and accepted trail.
• Remote Defect Indication (RDI) - the defect indication sent or extracted at trail termination to show a remote failure.
• Remote Error Indication (REI) - the error indication derived from received error-monitoring bytes and used to report errors back.
• Wait-To-Restore (WTR) - the hold-off period used before a protection path is restored to normal service.
• APS - the protection-switching signalling carried in the protection channel for request, bridge and status exchange.
• STM-N - the synchronous transport module family covered by the proforma, with STM-1, STM-4 and STM-16 examples in the annexes.

Who uses SIST EN 300 417-3-2 V1.1.2:2003?

SIST EN 300 417-3-2 V1.1.2:2003 is used by equipment suppliers, conformance test labs, quality managers, and technical buyers working with TM and SDH transmission systems. It is useful when a product needs a formal statement of which STM-N layer functions, protection modes, and defect monitoring behaviors it implements.

Network operators and integrators also use it when they need to compare implementations or prepare acceptance testing for transport equipment. The document is especially relevant for teams checking STM-1, STM-4 and STM-16 regenerator and multiplex section behavior.

Which standards are used with SIST EN 300 417-3-2 V1.1.2:2003?

• ETS 300 417-3-1 - this is the base standard for which this document provides the ICS proforma.
• EN 300 417-1-1 - used throughout the annexes for performance monitoring, defect correlation, pointer algorithms and related fault actions.
• EN 300 417-2-2 - provides the SDH equipment and layer context that the RS and MS annexes refer to.
• G.707 - used for framing, pointer location, byte mapping, error monitoring and TTI-related details.
• ETS 300 746 - used for external commands and APS request handling in linear trail protection.
• TS 101 009 - used for the two-fibre shared protection ring behavior in the MS16 annex.

What does the SIST EN 300 417-3-2 V1.1.2:2003 document contain?

The document contains completion guidance, conformance instructions, and structured ICS tables for STM-1, STM-4 and STM-16 regenerator and multiplex sections. It also contains figures and table-based proformas for connection functions, trail termination, adaptation functions, pointer handling, protection switching, and defect and performance monitoring.

Across the annexes, the document uses named procedures and state-based behavior for scrambling, BIP monitoring, TTI handling, APS messaging, WTR handling, and ring protection control. The result is a completion form that records both supported features and the behavior expected during faults, recovery, and protection switching.

SLOVENSKI STANDARD
01-december-2003
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Transmission and Multiplexing (TM); Generic requirements of transport functionality of
equipment; Part 3-2: Synchronous Transport Module-N (STM-N) regenerator and
multiplex section layer functions; Implementation Conformance Statement (ICS)
proforma specification
Ta slovenski standard je istoveten z: EN 300 417-3-2 Version 1.1.2
ICS:
33.040.20 Prenosni sistem Transmission systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 300 417-3-2 V1.1.2 (1998-11)
European Standard (Telecommunications series)
Transmission and Multiplexing (TM);
Generic requirements of transport functionality of equipment;
Part 3-2: Synchronous Transport Module-N (STM-N)
regenerator and multiplex section layer functions
Implementation Conformance Statement (ICS)
proforma specification
2 EN 300 417-3-2 V1.1.2 (1998-11)
Reference
REN/TM-01015-3-2 (3v0riidc.PDF)
Keywords
ICS, STM, SDH, transmission, testing
ETSI
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Copyright Notification
No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1998.
All rights reserved.
ETSI
3 EN 300 417-3-2 V1.1.2 (1998-11)
Contents
Intellectual Property Rights.9
Foreword .9
Introduction .10
1 Scope.11
2 References.11
3 Definitions and abbreviations .12
3.1 Definitions . 12
3.2 Abbreviations. 12
4 Conformance to this ICS proforma specification .15
Annex A (normative): ICS proforma for EN 300 417-3-1.16
A.1 Guidance for completing the ICS proforma.16
A.1.1 Purposes and structure . 16
A.1.2 Abbreviations and conventions. 16
A.1.3 Instructions for completing the ICS proforma . 18
Annex B (normative): ICS proforma for STM-1 regenerator section layer .19
B.1 Identification of the implementation.19
B.1.1 Date of the statement . 19
B.1.2 Implementation Under Test (IUT) identification . 19
B.1.3 System Under Test (SUT) identification. 20
B.1.4 Product supplier. 20
B.1.5 Client . 21
B.1.6 ICS contact person. 21
B.2 Identification of the EN.22
B.3 Global statement of conformance of STM-1 Regenerator Section (RS1) layer .22
B.4 RS1 Layer function .23
B.4.1 RS1 layer description. 23
B.4.2 RS1 layer transmission tables . 24
B.4.2.1 RS1 connection function: RS1_C. 24
B.4.2.2 STM-1 regenerator section layer trail termination functions: RS1_TT_So and RS1_TT_Sk . 24
B.4.2.2.1 Frame alignment signal. 24
B.4.2.2.2 FAS generation. 24
B.4.2.2.3 Signal scrambling / descrambling. 25
B.4.2.2.4 In service error monitoring process . 26
B.4.2.2.5 Trail Trace Identifier (TTI) . 27
B.4.2.3 RS1 layer to MS1 Layer adaptation functions: RS1/MS1_A_So and RS1/MS1_A_Sk. 29
B.4.2.3.1 RS1 layer to STM-1 Multiplex Section (MS1) layer multiplexing and demultiplexing processes . 29
B.4.2.4 RS1 layer to DCC Layer adaptation functions: RS1/DCC_A_So and RS1/DCC_A_Sk. 29
B.4.2.4.1 RS1 layer to DCC layer multiplexing and demultiplexing processes . 29
B.4.2.5 RS1 layer to P0s layer adaptation functions: RS1/P0s_A_So-N and RS1/P0s_A_Sk-N. 30
B.4.2.5.1 RS1 layer to P0s layer multiplexing and demultiplexing processes. 30
B.4.2.5.2 RS1 layer to P0s layer frequency justification and bitrate adaptation processes . 30
B.4.2.6 RS1 layer to V0x layer adaptation functions: RS1/V0x_A_So and RS1/V0x_A_Sk. 31
B.4.2.6.1 RS1 layer to V0x layer multiplexing and demultiplexing processes. 31
B.4.3 Defect, fault and performance monitoring . 32
B.4.3.1 Trail termination point mode management. 32
B.4.3.2 Defect detection and clearance criteria. 32
B.4.3.3 Consequent action activation and clearance criteria. 33
ETSI
4 EN 300 417-3-2 V1.1.2 (1998-11)
B.4.3.4 Defect correlation. 34
Annex C (normative): ICS proforma for STM-1 multiplex section layer .35
C.1 Identification of the implementation.35
C.1.1 Date of the statement . 35
C.1.2 Implementation Under Test (IUT) identification . 35
C.1.3 System Under Test (SUT) identification. 35
C.1.4 Product supplier. 36
C.1.5 Client . 36
C.1.6 ICS contact person. 37
C.2 Identification of the EN.37
C.3 Global statement of conformance of MS1 layer .37
C.4 MS1 section layer function .38
C.4.1 MS1 layer description. 38
C.4.2 MS1 layer transmission tables . 40
C.4.2.1 MS1 connection function: MS1_C. 40
C.4.2.2 MS1 layer trail termination functions: MS1_TT_So and MS1_TT_Sk . 41
C.4.2.2.1 In service error monitoring process . 41
C.4.2.2.2 Server layer status monitoring process . 42
C.4.2.2.2.1 MS1 Alarm Indication Signal (MS1 AIS). 42
C.4.2.2.3 Remote indicators monitoring process. 42
C.4.2.2.3.1 MS1 Remote Defect Indication (MS1 RDI). 42
C.4.2.2.3.2 MS1 Remote Error Indication (REI) (MS1 REI). 43
C.4.2.3 MS1 layer to S4 layer adaptation functions: MS1/S4_A_So and MS1/S4_A_Sk. 44
C.4.2.3.1 MS1 layer to S4 Layer frequency justification and bitrate adaptation processes. 44
C.4.2.3.2 MS1 layer to S4 layer alignment process. 45
C.4.2.3.2.1 AU-4 pointer generation . 47
C.4.2.3.2.2 AU-4 pointer interpretation. 50
C.4.2.3.3 MS1 layer to S4 layer multiplexing and demultiplexing processes . 54
C.4.2.4 MS1 layer to DCC layer adaptation functions: MS1/DCC_A_So and MS1/DCC_A_Sk . 55
C.4.2.4.1 MS1 layer to DCC layer multiplexing and demultiplexing processes . 55
C.4.2.5 MS1 layer to P0s layer adaptation functions: MS1/P0s_A_So and MS1/P0s_A_Sk . 55
C.4.2.5.1 MS1 layer to P0s layer frequency justification and bitrate adaptation processes . 55
C.4.2.5.2 MS1 layer to P0s layer multiplexing and demultiplexing processes. 56
C.4.3 MS1 linear trail protection transmission tables. 57
C.4.3.1 MS1 linear trail protection connection functions: MS1P1+1_C and MS1P1:n_C . 59
C.4.3.2 MS1 linear protection trail termination functions: MS1P_TT_So and MS1P_TT_Sk. 60
C.4.3.3 MS1 linear trail protection adaptation functions: MS1/MS1P_A_So and MS1/MS1P_A_Sk. 61
C.4.3.3.1 MS1 layer to MS1 protection layer multiplexing and demultiplexing processes. 61
C.4.3.4 MS1 linear trail protection processes . 61
C.4.3.4.1 Automatic Protection Switching (APS) externally initiated commands. 61
C.4.3.4.2 Automatic Protection Switching (APS) automatically initiated commands. 63
C.4.3.4.3 Automatic Protection Switching (APS) generalities. 64
C.4.3.4.4 Automatic Protection Switching (APS) switch performance .65
C.4.3.4.5 Automatic Protection Switching (APS) subprocesses. 65
C.4.3.4.6 Automatic Protection Switching (APS) signal generation . 67
C.4.3.4.7 Automatic Protection Switching (APS) signal interpretation . 68
C.4.3.4.8 Automatic Protection Switching (APS) status report. 69
C.4.4 MS1 layer defect, fault and performance monitoring tables . 69
C.4.4.1 Port status management. 69
C.4.4.2 Defect detection and clearance criteria. 70
C.4.4.3 Consequent action activation and clearance criteria. 72
C.4.4.4 Defect correlation. 74
C.4.4.5 Performance monitoring. 75
C.4.4.5.1 Near end performance monitoring. 75
C.4.4.5.2 Far end performance monitoring . 75
C.4.4.5.3 Pointer performance monitoring. 76
C.4.5 MS1 protection layer defect, fault and performance monitoring tables . 76
ETSI
5 EN 300 417-3-2 V1.1.2 (1998-11)
C.4.5.1 Defect detection and clearance criteria. 76
C.4.5.2 Consequent action activation and clearance criteria. 78
C.4.5.3 Defect correlation. 79
C.4.5.4 Performance monitoring. 80
Annex D (normative): ICS proforma for STM-4 regenerator section layer .81
D.1 Identification of the implementation.81
D.1.1 Date of the statement . 81
D.1.2 Implementation Under Test (IUT) identification . 81
D.1.3 System Under Test (SUT) identification. 81
D.1.4 Product supplier. 82
D.1.5 Client . 82
D.1.6 ICS contact person. 83
D.2 Identification of the EN.83
D.3 Global statement of conformance of RS-4 regenerator section (RS4).83
D.4 RS4 section layer function .84
D.4.1 STM-4 regenerator section layer description. 84
D.4.2 RS-4 regenerator section Layer Transmission Tables. 85
D.4.2.1 RS-4 regenerator section connection function: RS4_C . 85
D.4.2.2 RS-4 regenerator section layer trail termination functions: RS4_TT_So and RS4_TT_Sk . 85
D.4.2.2.1 FAS. 85
D.4.2.2.2 FAS generation. 85
D.4.2.2.3 Signal scrambling / descrambling. 86
D.4.2.2.4 In service error monitoring process . 87
D.4.2.2.5 Trail Trace Identifier (TTI) . 88
D.4.2.3 STM-4 regenerator section layer to MS4 layer adaptation functions: RS4/MS4_A_So and
RS4/MS4_A_Sk. 90
D.4.2.3.1 RS4 layer to MS4 layer multiplexing and demultiplexing processes. 90
D.4.2.4 STM-4 regenerator section layer to DCC layer adaptation functions: RS4/DCC_A_So and
RS4/DCC_A_Sk. 90
D.4.2.4.1 RS4 layer to DCC layer multiplexing and demultiplexing processes . 90
D.4.2.5 STM-4 regenerator section layer to P0s layer adaptation functions: RS4/P0s_A_So-N and
RS4/P0s_A_Sk-N. 91
D.4.2.5.1 RS4 layer to P0s layer multiplexing and demultiplexing processes. 91
D.4.2.5.2 RS4 layer to P0s layer frequency justification and bitrate adaptation processes . 91
D.4.2.6 STM-4 regenerator section layer to V0x layer adaptation functions: RS4/V0x_A_So and
RS4/V0x_A_Sk. 92
D.4.2.6.1 RS4 layer to V0x layer multiplexing and demultiplexing processes. 92
D.4.3 Defect, fault and performance monitoring . 93
D.4.3.1 Trail termination point mode management. 93
D.4.3.2 Defect detection and clearance criteria. 93
D.4.3.3 Consequent action activation and clearance criteria. 94
D.4.3.4 Defect correlation. 95
Annex E (normative): ICS proforma for STM-4 multiplex section layer .96
E.1 Identification of the implementation.96
E.1.1 Date of the statement . 96
E.1.2 Implementation Under Test (IUT) identification . 96
E.1.3 System Under Test (SUT) identification. 96
E.1.4 Product supplier. 97
E.1.5 Client . 97
E.1.6 ICS contact person. 98
E.2 Identification of the EN.98
E.3 Global statement of conformance of STM-4 Multiplex Section (MS4) layer.98
E.4 MS4 layer function.99
E.4.1 MS4 layer Description . 99
ETSI
6 EN 300 417-3-2 V1.1.2 (1998-11)
E.4.2 MS4 layer transmission tables . 101
E.4.2.1 MS4 connection function: MS4_C. 102
E.4.2.2 MS4 layer trail termination functions: MS4_TT_So and MS4_TT_Sk . 102
E.4.2.2.1 In service error monitoring process . 102
E.4.2.2.2 Server layer status monitoring process . 103
E.4.2.2.2.1 MS4 Alarm Indication Signal (MS4 AIS). 103
E.4.2.2.3 Remote indicators monitoring process. 103
E.4.2.2.3.1 MS4 Remote Defect Indication (RDI) (MS4 RDI) . 103
E.4.2.2.3.2 MS4 Remote Error Indication (REI) (MS4 REI). 104
E.4.2.3 MS4 layer to S4 layer adaptation functions: MS4/S4_A_So and MS4/S4_A_Sk. 105
E.4.2.3.1 MS4 layer to S4 layer frequency justification and bitrate adaptation processes. 106
E.4.2.3.2 MS4 layer to S4 layer alignment process. 106
E.4.2.3.2.1 AU pointer generation. 108
E.4.2.3.2.2 AU pointer interpretation. 111
E.4.2.3.3 MS4 layer to S4 layer multiplexing and demultiplexing processes . 116
E.4.2.4 MS4 layer to S4-4c layer adaptation functions: MS4/S4-4c_A_So and MS4/S4-4c_A_Sk. 116
E.4.2.4.1 MS4 layer to S4-4c layer frequency justification and bitrate adaptation processes. 117
E.4.2.4.2 MS4 layer to S4-4c layer alignment process. 117
E.4.2.4.2.1 Concatenation indicator recovery process. 119
E.4.2.4.3 MS4 layer to S4-4c layer multiplexing and demultiplexing processes . 121
E.4.2.5 MS4 layer to DCC Layer adaptation functions: MS4/DCC_A_So and MS4/DCC_A_Sk. 121
E.4.2.5.1 MS4 layer to DCC layer multiplexing and demultiplexing processes . 121
E.4.2.6 MS4 layer to P0s layer adaptation functions: MS4/P0s_A_So and MS4/P0s_A_Sk . 122
E.4.2.6.1 MS4 layer to P0s layer frequency justification and bitrate adaptation processes . 122
E.4.2.6.2 MS4 layer to P0s layer multiplexing and demultiplexing processes. 122
E.4.3 MS4 Linear Trail Protection Transmission Tables . 123
E.4.3.1 MS4 Linear Trail Protection Connection Functions: MS4P1+1_C and MS4P1:n_C . 125
E.4.3.2 MS4 Linear Protection Trail Termination Functions: MS4P_TT_So and MS4P_TT_Sk . 126
E.4.3.3 MS4 Linear Trail Protection Adaptation Functions: MS4/MS4P_A_So and MS4/MS4P_A_Sk. 127
E.4.3.3.1 MS4 layer to MS4 Protection layer multiplexing and demultiplexing processes. 127
E.4.3.4 MS4 Linear Trail Protection processes . 127
E.4.3.4.1 Automatic Protection Switching (APS) externally initiated commands. 127
E.4.3.4.2 Automatic Protection Switching (APS) automatically initiated commands. 129
E.4.3.4.3 Automatic Protection Switching (APS) generalities. 130
E.4.3.4.4 Automatic Protection Switching (APS) switch performance . 131
E.4.3.4.5 Automatic Protection Switching (APS) subprocesses. 131
E.4.3.4.6 Automatic Protection Switching (APS) signal generation . 133
E.4.3.4.7 Automatic Protection Switching (APS) signal interpretation . 134
E.4.3.4.8 Automatic Protection Switching (APS) status report. 135
E.4.4 MS4 layer defect, fault and performance monitoring tables . 135
E.4.4.1 Port status management. 135
E.4.4.2 Defect detection and clearance criteria. 136
E.4.4.3 Consequent action activation and clearance criteria. 139
E.4.4.4 Defect correlation. 142
E.4.4.5 Performance monitoring. 143
E.4.4.5.1 Near end performance monitoring. 143
E.4.4.5.2 Far end performance monitoring . 143
E.4.4.5.3 Pointer performance monitoring. 144
E.4.5 MS4 linear trail protection defect, fault and performance monitoring tables. 144
E.4.5.1 Defect detection and clearance criteria. 144
E.4.5.2 Consequent action activation and clearance criteria. 146
E.4.5.3 Defect correlation. 147
E.4.5.4 Performance monitoring. 148
Annex F (normative): ICS proforma for STM-16 regenerator section layer .149
F.1 Identification of the implementation.149
F.1.1 Date of the statement . 149
F.1.2 Implementation Under Test (IUT) identification . 149
F.1.3 System Under Test (SUT) identification. 149
F.1.4 Product supplier. 150
ETSI
7 EN 300 417-3-2 V1.1.2 (1998-11)
F.1.5 Client . 150
F.1.6 ICS contact person. 151
F.2 Identification of the EN.151
F.3 Global statement of conformance of STM-16 Regenerator Section (RS16) layer .151
F.4 RS16 Section Layer function .152
F.4.1 RS16 layer description. 152
F.4.2 STM-16 regenerator section layer transmission tables . 153
F.4.2.1 STM-16 Regenerator section connection function: RS16_C. 153
F.4.2.2 RS16 layer trail termination functions: RS16_TT_So and RS16_TT_Sk. 153
F.4.2.2.1 FAS. 153
F.4.2.2.2 Frame Alignment Signal generation . 153
F.4.2.2.3 Signal scrambling / descrambling. 154
F.4.2.2.4 In service error monitoring process . 155
F.4.2.2.5 Trail Trace Identifier (TTI) . 156
F.4.2.3 STM-16 regenerator section layer to MS16 Layer adaptation functions: RS16/MS16_A_So and
RS16/MS16_A_Sk. 158
F.4.2.3.1 RS16 layer to MS16 layer multiplexing and demultiplexing processes. 158
F.4.2.4 RS16 layer to DCC layer adaptation functions: RS16/DCC_A_So and RS16/DCC_A_Sk. 158
F.4.2.4.1 RS16 layer to DCC layer multiplexing and demultiplexing processes . 158
F.4.2.5 RS16 layer to P0s layer adaptation functions: RS16/P0s_A_So-N and RS16/P0s_A_Sk-N. 159
F.4.2.5.1 RS16 layer to P0s layer multiplexing and demultiplexing processes. 159
F.4.2.5.2 RS16 layer to P0s layer frequency justification and bitrate adaptation processes . 159
F.4.2.6 RS16 layer to V0x layer adaptation functions: RS16/V0x_A_So and RS16/V0x_A_Sk. 160
F.4.2.6.1 RS16 layer to V0x layer multiplexing and demultiplexing processes. 160
F.4.3 Defect, fault and performance monitoring . 161
F.4.3.1 Trail termination point mode management. 161
F.4.3.2 Defect detection and clearance criteria. 161
F.4.3.3 Consequent action activation and clearance criteria. 162
F.4.3.4 Defect correlation. 163
Annex G (normative): ICS proforma for STM-16 multiplex section layer .164
G.1 Identification of the implementation.164
G.1.1 Date of the statement . 164
G.1.2 Implementation Under Test (IUT) identification . 164
G.1.3 System Under Test (SUT) identification. 164
G.1.4 Product supplier. 165
G.1.5 Client . 165
G.1.6 ICS contact person. 166
G.2 Identification of the EN.166
G.3 Global statement of conformance of STM-16 Multiplex Section (MS16) layer.166
G.4 MS16 Section Layer function .167
G.4.1 MS16 layer description. 167
G.4.2 MS16 layer transmission tables . 171
G.4.2.1 MS16 connection function: MS16_C. 171
G.4.2.2 MS16 layer trail termination functions: MS16_TT_So and MS16_TT_Sk . 172
G.4.2.2.1 In service error monitoring process . 172
G.4.2.2.2 Server layer status monitoring process . 173
G.4.2.2.2.1 MS16 Alarm Indication Signal (MS16 AIS). 173
G.4.2.2.3 Remote indicators monitoring process. 173
G.4.2.2.3.1 MS16 Remote Defect Indication (RDI) (MS16 RDI) . 173
G.4.2.2.3.2 MS16 Remote Error Indication (REI) (MS16 REI). 174
G.4.2.3 MS16 layer to S4 layer adaptation functions: MS16/S4_A_So and MS16/S4_A_Sk. 175
G.4.2.3.1 MS16 layer to S4 layer frequency justification and bitrate adaptation processes. 177
G.4.2.3.2 MS16 layer to S4 layer alignment process. 177
G.4.2.3.2.1 AU pointer generation. 179
G.4.2.3.2.2 AU pointer interpretation. 182
ETSI
8 EN 300 417-3-2 V1.1.2 (1998-11)
G.4.2.3.3 MS16 layer to S4 layer multiplexing and demultiplexing processes . 187
G.4.2.4 MS16 layer to S4-4c layer adaptation functions: MS16/S4-4c_A_So and MS16/S4-4c_A_Sk. 187
G.4.2.4.1 MS16 layer to S4-4c layer frequency justification and bitrate adaptation processes. 188
G.4.2.4.2 MS16 layer to S4-4c layer alignment process. 188
G.4.2.4.2.1 Concatenation indicator recovery process. 191
G.4.2.4.3 MS16 layer to S4-4c layer multiplexing and demultiplexing processes . 193
G.4.2.5 MS16 layer to DCC layer adaptation functions: MS16/DCC_A_So and MS16/DCC_A_Sk . 193
G.4.2.5.1 MS16 layer to DCC layer multiplexing and demultiplexing processes . 193
G.4.2.6 STM-16 Multiplex section layer to P0s layer adaptation functions: MS16/P0s_A_So and
MS16/P0s_A_Sk. 194
G.4.2.6.1 MS16 layer to P0s layer frequency justification and bitrate adaptation processes . 194
G.4.2.6.2 MS16 layer to P0s layer multiplexing and demultiplexing processes. 194
G.4.3 MS16 linear trail protection transmission tables. 195
G.4.3.1 MS16 linear trail protection connection functions: MS16P1+1_C and MS16P1:n_C . 197
G.4.3.2 MS16 linear protection trail termination functions: MS16P_TT_So and MS16P_TT_Sk. 198
G.4.3.3 MS16 linear trail protection adaptation functions: MS16/MS16P_A_So and MS16/MS16P_A_Sk. 199
G.4.3.3.1 MS16 layer to MS16 protection layer multiplexing and demultiplexing processes. 199
G.4.3.4 MS16 linear trail protection processes . 199
G.4.3.4.1 Automatic Protection Switching (APS) externally initiated commands. 199
G.4.3.4.2 Automatic Protection Switching (APS) automatically initiated commands. 200
G.4.3.4.3 Automatic Protection Switching (APS) generalities. 202
G.4.3.4.4 Automatic Protection Switching (APS) switch performance . 202
G.4.3.4.5 Automatic Protection Switching (APS) subprocesses. 202
G.4.3.4.6 Automatic Protection Switching (APS) signal generation .
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