SIST EN 300 417-3-2 V1.1.3:2003

• 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 V1.1.3 (1999-02) - 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 V1.1.3:2003 is a SIST standard for Transmission and Multiplexing (TM) transport equipment. It is an Implementation Conformance Statement (ICS) proforma for ETS 300 417-3-1, used to document which STM-N regenerator and multiplex section layer functions an implementation supports. In practice, it gives suppliers, test labs and buyers a structured way to state conformance for STM-1, STM-4 and STM-16 equipment.

What does SIST EN 300 417-3-2 V1.1.3:2003 specify?

SIST EN 300 417-3-2 V1.1.3:2003 specifies an ICS proforma for the transport functionality of STM-N equipment. It is organized as completion guidance, identification fields and annexes for the different STM levels and layer functions, so a user can record support for each function in a consistent way.

Clause 4 covers conformance to the ICS proforma specification. Annex A gives guidance for completing the form, and Annexes B to G provide the actual proformas for the different layer cases.

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

The annexes are structured in the same way, which makes it easier to compare equipment claims across STM-N rates and to use the same form in testing and procurement.

What are the key requirements of SIST EN 300 417-3-2 V1.1.3:2003?

SIST EN 300 417-3-2 V1.1.3:2003 is not a product design standard; it is a conformance statement template. The main practical requirement is to identify the implementation, select the supported functions, and document the declared behavior for each relevant layer and protection case.

How conformance is recorded

Clause 4 and Annex A set the rules for completing the ICS proforma. Annexes B.1, C.1, D.1, E.1, F.1 and G.1 all start with implementation identification fields such as the date of the statement, the Implementation Under Test (IUT), the System Under Test (SUT), the supplier, the client and the ICS contact person.

This matters because the statement is only useful if it clearly ties the declared functions to one specific product or test setup.

How each STM level is documented

The annexes split the equipment by STM level and by layer function. B and D cover regenerator section functions for STM-1, STM-4 and STM-16, while C, E and G cover multiplex section functions for those same rates.

In practice, this lets a reader see whether the equipment supports the right STM-N level and whether the claim applies to the regenerator section, the multiplex section, or both.

What the RS annexes check

Annexes B, D and F cover connection functions, trail termination functions, adaptation to MS, DCC, P0s and V0x layers, and defect and performance monitoring. They include items for frame alignment, scrambling, error detection coding, Trail Trace Identifier (TTI) handling and dTIM handling.

For a buyer or tester, this is the part that shows whether the unit can terminate the STM-N regenerator section correctly, recover the expected overhead information and report section defects in the expected way.

What the MS annexes check

Annexes C, E and G cover multiplex section connection, trail termination, adaptation to S4 or S4-4c, DCC and P0s, plus protection functions. They also include pointer handling, REI and RDI processing, dAIS, dDEG and dLOP-related monitoring, and performance counters.

In practice, these tables are the checklist for verifying that the equipment can carry VC-4 payloads, process AU-4 or AU-4-4c alignment correctly and report multiplex section faults properly.

How protection is documented

The MS annexes include linear trail protection cases. They distinguish 1+1 and 1:n protection, describe the APS channel, request priorities, revertive and non-revertive operation, extra traffic, and Wait-To-Restore (WTR) behavior.

For commissioning and lab testing, this section tells you how the product should switch traffic, what control signals it uses, and which protection options are claimed.

What is added for STM-16

Annex G adds a two-fibre shared protection ring case. It covers ring map configuration, ring node identification, bridge and selector behavior, APS/status handling and the behavior of the node in idle, switching and pass-through states.

That matters for STM-16 ring networks because the proforma captures not only the payload functions but also the protection behavior of the ring itself.

How faults and performance are monitored

Across the annexes, the proforma includes defect detection and clearance criteria, consequent action activation and clearance criteria, defect correlation and performance monitoring. The actions include patterns such as all "1s", status flags such as CI_SSF and AI_TSF, and the insertion or clearing of indicators such as RDI and REI.

For users, this is the evidence trail that shows how the equipment reacts when signal quality changes or a trail defect is detected.

What terms does SIST EN 300 417-3-2 V1.1.3:2003 define?

• Transmission and Multiplexing (TM) - the transport-function family covered by the standard and used in the title.
• Implementation Conformance Statement (ICS) - the form used to declare which functions and options an implementation supports.
• Implementation Under Test (IUT) - the equipment or implementation being checked against the proforma.
• System Under Test (SUT) - the test arrangement or system context used with the IUT.
• Synchronous Transport Module-N (STM-N) - the STM family covered here at STM-1, STM-4 and STM-16 levels.
• Trail Trace Identifier (TTI) - the 16-byte identifier used to verify trail continuity and trace the path.
• Wait-To-Restore (WTR) - the protection timer/state used before traffic is returned to the working path.
• Regenerator Section (RS) and Multiplex Section (MS) - the two layer families the annexes use to separate section-level and multiplex-level functions.

Who uses SIST EN 300 417-3-2 V1.1.3:2003?

SIST EN 300 417-3-2 V1.1.3:2003 is used by telecom equipment suppliers, SDH transmission system designers, conformance test laboratories, certification teams and quality managers. It is also useful for buyers and network operators who need to compare vendor claims for STM-N transport equipment.

Typical tasks include filling in the ICS, declaring supported protection modes, documenting defect monitoring behavior, and checking which adaptation functions and overhead processing functions are implemented.

Which standards are used with SIST EN 300 417-3-2 V1.1.3:2003?

• ETS 300 417-3-1 - the companion functional standard for which this document provides the ICS proforma.
• EN 300 417-1-1 - supplies many of the defect correlation, monitoring, pointer and protection-process definitions referenced in the annex tables.
• EN 300 417-2-2 - identifies the SDH layer context for the RS1, RS4 and RS16 annexes.
• G.707 - provides the STM frame, overhead, pointer, alignment and error-monitoring details used throughout the transmission tables.
• ETS 300 746 - provides the external command and request handling used in linear protection processing.
• TS 101 009 - provides the ring-operation context referenced for the two-fibre shared protection ring case.

What does the SIST EN 300 417-3-2 V1.1.3:2003 document contain?

The document contains completion guidance, identification forms, global conformance statements and detailed proformas for STM-1, STM-4 and STM-16 regenerator and multiplex section layers. It uses tables and figures to capture supported functions, allowed options and monitoring behavior for each layer case.

It also contains transmission tables for frame alignment, scrambling, error monitoring, TTI handling, pointer processing, adaptation functions and protection switching. The MS16 annex adds two-fibre shared protection ring tables and process descriptions for ring behavior.

For testing and audits, the document provides the checklist structure needed to record what was implemented, what was exercised, and how the equipment behaved during fault and protection scenarios.

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 1.1.3
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 V1.1.3 (1999-02)
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 V1.1.3 (1999-02)
Reference
REN/TM-01015-3-2a (3v0riie0.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 1999.
All rights reserved.
ETSI
3 EN 300 417-3-2 V1.1.3 (1999-02)
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 V1.1.3 (1999-02)
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 . 55
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 . 56
C.4.2.5.1 MS1 layer to P0s layer frequency justification and bitrate adaptation processes . 56
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 V1.1.3 (1999-02)
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 V1.1.3 (1999-02)
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 V1.1.3 (1999-02)
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 V1.1.3 (1999-02)
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.
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