DWDM Network Transport Systems with Digital Tributaries for Use in Metropolitan Area Applications: Common Generic Criteria

Transcription

1 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria Contents DWDM Network Transport Systems with Digital Tributaries for Use in Metropolitan Area Applications: Common Generic Criteria Contents Contents Preface...Preface 1 1. Introduction Motivation Purpose and Scope Target Audience Assumptions Reason for Reissue Structure of This Document Requirements Terminology Requirement Labeling Conventions Numbering of Requirement and Related Objects Requirement, Conditional Requirement, and Objective Object Identification Update History Architectures, Interfaces and Notation Network Functional Architecture The Optical Layer Network OLN Layers OCh Layer OMS Layer OTS Layer The Physical Media Layer The Optical Transport Network The OPUk/ODUk Layers The OPUk-Xv/ODUk-Xv Layers The OTUk Layers Information Encapsulation Interfaces And Multiplexing Structures Native Signals As OLN Clients SONET Signals As OLN Clients OLN Client Signals OTN Client Signals ODU Time Division Multiplexing OPUk/ODUk Virtual Concatenation Network Element Architectures Native Optical Tributaries SONET Based Optical Tributaries v

2 DWDM Network Transport Systems: Common Generic Criteria Issue 6 Contents January OTU1 Based Optical Tributaries OTN Overhead Information Convention On Byte And Bit Ordering Frame Alignment Signal OPU Overhead Information ODU Overhead Information Tandem Connection Monitoring Activation Overhead Tandem Connection Monitoring Overhead Fault Type Fault Location Overhead Path Monitoring Overhead Experimental Use Overhead General Communication Channel Overhead Protection Channel Overhead OTU Overhead Information Section Monitoring Overhead General Communications Channel 0 Overhead OCh Overhead Information Forward Defect Indication - Payload Forward Defect Indication - Overhead (FDI-O) Open Connection Indication OMS Overhead Information Forward Defect Indication - Payload Forward Defect Indication - Overhead Backward Defect Indication - Payload Backward Defect Indication - Overhead Payload Missing Indication OTS Overhead Information Backward Defect Indication - Payload Backward Defect Indication - Overhead Trail Trace Identifier Payload Missing Indication OTM Overhead Signal Maintenance Signals OTN Client Signal Mappings Mapping Constant Bit Rate Client Signals The OPU Frame Structure Mapping Procedure Asynchronous Mapping Factors Bit Synchronous Mapping Factors Mapping ATM Cell Streams Mapping Of GFP Framed Client Signals Mapping Of Test Signals Mapping A Null Client Signal Mapping of the PRBS Test Signal Generic Mappings OTN Time Division Multiplexing vi

3 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria Contents TDM Frame Structure OPUk Overhead Structure OPUk Tributary Slots Overhead Specification Payload Structure Identifier Specification Multiplexing Justification Overhead OTN Virtual Concatenation Frame Structure For Virtual Concatenation Virtual Concatenation Overhead Structure Virtual Concatenation Payload Structure Virtual Concatenation Overhead Specification Payload Structure Identifier Specification Virtual Concatenation Overhead Fields Overhead Field Overhead Field Overhead Field OPUk-Xv Client Signal Mappings Mapping Of Constant Bit Rate Client Signals Mapping Of 10 Gigabit Per Second Clients Into An OPU1-4v Mapping Of 40 Gigabit Per Second Clients Into An OPU2-4v OPUk-16v Logical Frame For Constant Bit Rate Client Signals Mapping Of 40 Gigabit Per Second Clients Into An OPU1-16v Mapping ATM Cell Streams Mapping of GFP Framed Client Signals Mapping Of A Null Client Signal Mapping Of PRBS Test Signals Generic Mappings Optical Interface Notation A Generic Optical Network Element Optical Supervisory Channel (OSC) Reference Points on Various ONEs Optical Amplifier Optical Terminal Multiplexer Optical Add/Drop Multiplexer Optical Cross-Connect Systems DWDM Systems and Networks Relationship to G Reference Point Notation Classification of Optical Network Elements ONE Types 1 Through ONE Classes A and B ONE Groups I, II, and III Classification of DWDM Optical Network Applications vii

4 DWDM Network Transport Systems: Common Generic Criteria Issue 6 Contents January Background Information Application Families Overview of DWDM Application Design Introduction and Scope Optical Tributary Signal Power Model Extending the Point-to-Point Model Additional Modeling Information ONE Losses, Optical Amplification and ASE Noise Considerations Protection Switching Considerations Fiber Cross-Connects Type 3 Multi-Span Applications Client Interfaces Clients Supported on the OUIs Use of Optical Extensions on the OUIs Adaptation of Client Signals to the OLN Application Power Margin Summary of Key Assumptions Overview of DWDM Application Families Application Tables Application Families SR and IR Applications MS13 Applications MS20 Applications XIR Applications XMR Applications Type 3 Multi-Span Applications Multi-Group Applications CWDM Applications ITU-T Multi-wavelength Applications Gb/s ITU-T Multi-wavelength Applications Gb/s ITU-T Multi-wavelength Applications Gb/s ITU-T Very Short Reach Applications Application Family Summary Optical Supervisory Channel Applications Application Summary Tables Field of Use Map Multiwavelength ONE Optical Parameter Definitions and Requirements Optical Network Interfaces (ONIs) Transmit Interface (ONI-nS) Requirements Spectral Characteristics Transmitted Optical Signal Power Requirements Extinction Ratio Mask of the Eye Diagram Optical Tributary Bit Coding viii

5 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria Contents Optical Tributary Bit Stream Scrambling Receive Interface (ONI-nR) Requirements Received Optical Signal Detectability Requirements Optical User Interfaces (OUIs) Single Wavelength OUIs Adaptation Related Requirements Interface Requirements Send Interface (OUI-1S) Requirements Receive Interface (OUI-R) Requirements Multi-Wavelength OUIs ONE Transfer Characteristics OSNR Requirements Crosstalk Requirements Filtering Requirements Maximum Channel Power Difference ONE Power Spread Polarization Related Requirements Polarization Mode Dispersion Polarization Dependent Loss Optical Path Attenuation and Optical Reach Chromatic Dispersion Optical Path Power Penalties Optical Path Polarization Mode Dispersion Optical Path Polarization Dependent Loss Type 3 Multi-Span Application Specific Requirements Reflections Requirements Related to Optical Tributary Power Control Optical Supervisory Channel Requirements Optical Cross-Connect Specific Requirements Optical Signal Defects Management and Processing Requirements Network Functional Architecture Optical Layer Network Architecture Optical Transport Network Architecture Management Capabilities Overhead Information OLN Management Requirements OLN Overhead Information OTN Management Requirements OTN Overhead Information Management Communications Architecture The Optical Supervisory Channel Factors Effecting the Choice of Format and Rate Mapping the OSC into a SONET OC-3 Frame OSC Requirements ix

6 DWDM Network Transport Systems: Common Generic Criteria Issue 6 Contents January Network Operator Specific Overhead Channel OSI-Based Management Communications Interactive Protocol Stacks ONE Management Communications Functions Management Communications Network Attachment Routing Protocol Support Requirements for Gateway ONEs Requirements for Intermediate ONEs Requirements for End ONEs Mediation Devices Communicating Entities ONE-OS Communications ONE-MD Communications ONE-ONE Communications WS-ONE Communications General Requirements for Management Communications Requirements for TCP/IP-TP4/CLNP Interface Shared Gateway Considerations General Requirements for the TCP/IP ONE-OS Interface Detailed Requirements for the TCP/IP ONE-OS Interface OS - Gateway TL1 Connections ONE - Gateway TL1 Connections Requirements for Message Forwarding File Transfer Requirements Miscellaneous Requirements Physical Layers And Interfaces Data Link Layer Protocols Network Layer Protocols Transport Layer Protocols Session Layer Protocols Presentation Layer Protocols Application Layer Protocols File Transfer Name/Address Mapping Service TL1-Based Application Layer Protocol Interworking Interworking TL1 Over TCP/IP and TL1 Over OSI Obtaining NSAPs and Application Context Identifiers Sending Autonomous Messages IP-Based Management Communications Interactive Protocol Stacks ONE Management Communications Functions Management Communications Network Attachment Routing Protocol Support x

7 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria Contents OSPF Protocol Support Integrated IS-IS Protocol Support Communicating Entities ONE-OS Communications ONE-MD Communications ONE-ONE Communications WS-ONE Communications General Requirements for Management Communications Physical Layers And Interfaces Data Link Layer Protocols Network Layer Protocols Transport Layer Protocols Application Layer Protocols Protocol Interworking Local Real Time Clock Function Performance Management and Processing Performance Management Function Groups Performance Monitoring Performance Monitoring Parameters OLN Parameters OTN Parameters Far-End Performance Monitoring Intermediate Performance Monitoring Exceptions To Performance Parameter Tracking Performance Monitoring Requirements Independent Trail Monitoring Parameter Retention Parameter Retention Criteria Use of Thresholds Threshold Related Criteria Reports and Queries Reporting and Querying Criteria Far-End Performance Monitoring Criteria Intermediate Performance Monitoring Performance Monitoring During Unavailability OLN Performance Monitoring Requirements Performance Monitoring Requirements for SONET Clients A Note On Jitter Requirements for ONE SONET Monitors Performance Management Parameters for SONET Clients Performance Parameter Processing for SONET Clients Defect Detection for SONET Clients Connectivity Supervision of SONET Clients Auxiliary SONET Client Functions OTN Performance Monitoring Requirements xi

8 DWDM Network Transport Systems: Common Generic Criteria Issue 6 Contents January Fault Management and Processing Comparison of Performance Monitoring and Alarm Surveillance Maintenance Signaling Alarms Soak Intervals The Use of Optical Power Measurements OLN Alarm Surveillance Requirements OTN Alarm Surveillance Requirements OLN Requirements OTN Requirements Alarm Report Control Requirements ARC specifications Testing Requirements Accessing Transport Signals Test Diagnostics Exercising Controls Enabling /Disabling Loopbacks Configuration Management and Processing Provisioning Requirements OLN Provisioning Requirements OCh Provisioning OMS Provisioning OTS Provisioning OTN Provisioning Requirements Trail Trace Identifier Access Point Indentifiers OPU Provisioning ODU Provisioning ODU Path Monitoring Provisioning ODU Tandem Connection Monitoring Provisioning ODU Fault Type Fault Location Provisioning OTU Provisioning OTU Section Monitoring Provisioning Security Management and Processing Accounting Management and Processing References... References 1 Acronyms... Acronyms 1 Glossary...Glossary 1 Appendix A: Optical Parameter Tables... A-1 Appendix B: OSC Optical Parameter Tables... B-1 Appendix C: CWDM Wavelength Grid... C-1 Appendix D: 2.5 Gb/s Pre-OTN Application... D-1 xii

9 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria Contents Appendix E: 10 Gb/s Pre-OTN Applications... E-1 Appendix F: Very Short Reach Interfaces... F-1 Appendix G: Frequency Grids Based on 12.5 and 25 GHz Channel Spacing... G-1 Requirement-Object Index... ROI 1 xiii

10 DWDM Network Transport Systems: Common Generic Criteria Issue 6 Contents January 2003 xiv

11 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria List of Figures List of Figures Figures Figure 2-1. Illustration Of The OLN Layer Structure Figure 2-2. Illustration Of The OTN Layer Structure Figure 2-3. Illustration of the Information Structure Encapsulations Figure 2-4. Optical Multiplexing of Native OLN Client Signals Figure 2-5. Optical Multiplexing of SONET OLN Client Signals Figure 2-6. OTN Optical Multiplexing Structure Figure 2-7. OTN with Optical and Time Division Multiplexing Figure 2-8. GR-2918-CORE Equipment Optical Network Layers Figure 2-9. Information structures and their Optical Carriers Figure Physical Layer Optical Signals and their Multiplexing Figure OTN Frame Structure and Overhead Locations Figure Illustration of Transmission Order Conventions Figure Frame Alignment Signal Structure Figure OPU Overhead Structure Figure The Payload Structure Identifier Multi-frame Structures Figure ODU Overhead Fields Figure Fault Type Fault Location Field Structure Figure Tandem Connection and Path Monitoring Field Structure Figure OTU Overhead Fields Figure M Byte Structure In The Section Monitoring Field Figure Illustration Of Optical Channel Non-Associated Overhead Figure OTSn Trail Trace Identifier Logical Structure Figure Mapping Of Non-Associated Overhead Onto The OOS Figure OPU Frame Structure For Mapping CBR Clients Figure Justification Control Byte Format Figure OPU Frame Structure For Mapping ATM Cell Streams Figure OPU Frame Structure For The Generic Mapping Figure OPUk Multiplexing Overhead Format Figure An OPU2 Frame with TS Partitioning Figure Mapping of ODU1s into an OPU2 Payload Figure PSI and MSI Structure Figure OPU2 Positive Justification Opportunity Byte Locations Figure The OPUk-Xv Logical Structure Figure Mapping Of The OPUk-Xv Overhead Into X OPUk s Figure Mapping Of The OPU1-Xv Payload Into X OPU1 s Figure OPUk Virtual Concatenations Overhead Format Figure PSI For Virtual Concatenation Figure Virtual Concatenation Overhead Field Figure Virtual Concatenation Overhead Fields 2 And Figure OPU1-4v Logical Frame And Overhead Figure OPUk-16v Logical Frame And Overhead Figure OPUk-Xv Overhead For ATM Cell Stream Mapping xv

12 DWDM Network Transport Systems: Common Generic Criteria Issue 6 List of Figures January 2003 Figure OPUk-Xv Overhead For Generic Client Signal Mapping Figure Generic Optical Network Element Figure Optical Line Amplifier Figure Optical Terminal Multiplexer Figure Optical Add/Drop Multiplexer Figure Optical Cross-Connect Figure Example DWDM Network and Reference Points Figure 3-1. Example of Type 1 OADM Figure 3-2. Example of Type 2 OADM Figure 3-3. Example of Type 3 OADM Figure 3-4. Example of Type 1 OTM Figure 3-5. Example of Type 2 OTM Figure 3-6. Example of Type 3 OTM Figure 3-7. Example of Type 1 and Type 2 OLA * Figure 3-8. Example of Type 1 OXC Figure 3-9. Example of Type 3 OXC Figure 5-1. Model for Analyzing Point-to-Point DWDM Systems (Only One Figure 5-2. Transmission Direction Shown) Optical Network Model (Only One Transmission Direction Shown) Figure 5-3. OUI Configuration Options Figure 7-1. Frame Synchronous Scrambler (Functional Diagram) Figure 7-2. Example Filter Passband Parameters Figure 8-1. Illustration of End-To-End Optical Network Connections Figure 8-2. TMN - Telecommunications Network Relationship Figure 8-3. OSI Interactive Protocol Stacks for Management Communications Figure 8-4. ONE Transport and Management Communications Functions Figure 8-5. The TMN g, f, and q Reference Points Figure 8-6. Illustration of the TCP/IP-TP4/CLNP Communications Architecture Figure 8-7. Illustration of the TL1 Translation Function Figure 8-8. Examples Of Shared Gateways Figure 8-9. Protocol Stacks For TCP/IP-TP4/CLNP Interfaces Figure GNE Subnetwork Interworking Figure IP Interactive Protocol Stacks for Management Communications 8 45 Figure Example of Far-End Performance Monitoring Figure Example of Intermediate Monitoring Figure Performance and Fault Monitoring Process Figure Serially Connected ONEs with SONET Monitors Figure SONET Equivalent of Transponders Figure Illustration of Maintenance Signaling in an OLN Figure Highlighted Fault Management Process Figure ONE Power Reference Points Figure Illustration of Upstream and Downstream Directions Figure ARC State Diagram Figure Loopback Illustrations xvi

13 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria List of Figures Figure TTI Logical Structure Figure Access Point Identifier Structure Figure ODU Overhead Information Structure Figure Path Monitoring and Tandem Connection Field Structure Figure Tandem Connection Monitoring Configurations Figure FTFL Field Structure Figure OTU Overhead Information Structure xvii

14 DWDM Network Transport Systems: Common Generic Criteria Issue 6 List of Figures January 2003 xviii

15 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria List of Tables List of Tables Tables Table 2-1. Logical and Physical Objects of the OLN and their Relationship Table 2-2. Frame Locations for TCM and PM Fields Table 2-3. Maintenance Signals By Layer Network Table 2-4. Demapper Justification Control Code Table 2-5. Asynchronous Mapper Justification Control Code Table 2-6. Bit Synchronous Mapper Justification Control Code Table 2-7. Multiplex Justification Control And Justification Byte Usage Table 2-8. Reference Point Notation Relationships Table 3-1. ONE Type Characteristics Table 3-2. ONE Group Characteristics Table 3-3. ONE Type and Group Combination Restrictions Table 4-1. Application Code Notation Comparison Table 5-1. Clients of Interest for Metropolitan Area Optical Networks Table 5-2. Support for Key Applications in the OLN Table 6-1. Maximum Total Optical Reach (in km) of Type 3 Multi-span Applications Table 6-2. Multi-Group Applications (Type 1 only) Table 6-3. Application Family Attribute Summary Table Wavelength Applications Table Wavelength Applications Table Wavelength Applications Table Wavelength Applications Table Wavelength Applications Table Wavelength Applications Table Wavelength Applications Table Wavelength Applications Table Application * Field of Use Map Table 7-1. Frequency Plan for MOS-n Signals Table 7-2. Nominal Channel Spacing for MOS-n Signals Table 7-3. Permissible Center Frequency Deviation Table 7-4. Mapping Options Table 7-5. Non-SONET Interface Information for the OUIs Table 7-6. Attenuation Ranges for DWDM Applications Table 7-7. Maximum Chromatic Dispersion Limits for DWDM Applications on C-SMF for a Power Penalty of 2 db Table 8-1. OLN Management Requirements Table 8-2. Additional OTN Management Requirements Table 8-3. Framework for Mapping the OSC Into a SONET OC-3 Frame Table 8-4. NSAP Format Table 8-5. IDP Values For Optical Networks Table 8-6. Routing Support For Network Protocols Table 8-7. Tunneling Possibilities in the OTN MCN xix

16 DWDM Network Transport Systems: Common Generic Criteria Issue 6 List of Tables January 2003 Table 8-8. The NEL and EML for Performance Management Table 8-9. The EML and the NEL for Fault Management Table Maintenance Signals By Layer Network Table OLN Alarmed Events Table OTN Alarmed Events Table The EML and the NEL for Configuration Management Table A-1. 4MT48:IR20-2 Optical Parameters with Type 2 and 3 ONEs... A-5 Table A-2. 4MT48:MS13-2 Optical Parameters with Type 1 and 2 ONEs... A-7 Table A-3. 4MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-9 Table A-4. 4MT48:nMS20-2 Optical Parameters for Multi-Span Applications Table A-5. with Type 3 ONEs... A-11 4MT48:30IR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-13 Table A-6. 4MT48:XIR13-2 Optical Parameters for Group III Applications... A-15 Table A-7. 4MT48:XIR13-2 Optical Parameters for Group III Applications... A-17 Table A-8. 8MT48:IR20-2 Optical Parameters with Type 2 and 3 ONEs... A-19 Table A-9. 8MT48:MS13-2 Optical Parameters with Type 1 and 2 ONEs... A-21 Table A-10. 8MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-23 Table A-11. Table A-12. 8MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-25 8MT48:30IR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-27 Table A-13. 8MT48:13IR13-2 Optical Parameters for Group III Applications... A-29 Table A-14. 8MT48:XIR13-2 Optical Parameters for Group III Applications... A-31 Table A-15. 8MT48:25IR13-2 Optical Parameters with Type 2 ONEs... A-33 Table A-16. 8MT48:XMR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-35 Table A-17. 8MT48:XMR20-2 Optical Parameters for Group III Applications... A-37 Table A MT48:SR20-2 Optical Parameters with Type 2 and 3 ONEs... A-39 Table A MT48:MS13-2 Optical Parameters with Type 1 and 2 ONEs... A-41 Table A MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-43 Table A-21. Table A MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-45 16MT48:XIR20-2 Optical Parameters for Group I and II with Type 1 ONEs... A-47 Table A MT48:9IR20-2 Optical Parameters for Group III Applications... A-49 Table A MT48:XIR20-2 Optical Parameters for Group III Applications... A-51 Table A MT48:25IR20-2 Optical Parameters with Type 2 ONEs... A-53 Table A MT48:XIR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-55 Table A MT48:XMR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-57 Table A MT48:4MR20-2 Optical Parameters for Group III Applications. A-59 Table A MT48:XMR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-61 Table A MT48:SR20-2 Optical Parameters with Type 2 and 3 ONEs... A-63 Table A MT48:MS13-2 Optical Parameters with Type 1 and 2 ONEs... A-65 xx

17 Issue 6 January 2003 DWDM Network Transport Systems: Common Generic Criteria List of Tables Table A MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-67 Table A MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-69 Table A MT48:XIR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-71 Table A MT48:XIR20-2 Optical Parameters for Group III Applications... A-73 Table A MT48:25IR20-2 Optical Parameters for Type 2 Application... A-75 Table A MT48:XIR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-77 Table A MT48:XMR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-79 Table A MT48:3MR20-2 Optical Parameters for Group III Applications. A-81 Table A MT48:XMR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-83 Table A MT48:MS13-2 Optical Parameters with Type 1 and 2 ONEs... A-85 Table A MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-87 Table A MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-89 Table A MT48:XIR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-91 Table A MT48:XIR20-2 Optical Parameters for Group III Applications... A-93 Table A MT48:25IR20-2 Optical Parameters for Group I Application with Type 2 ONEs... A-95 Table A MT48:XIR13-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-97 Table A MT48:XMR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-99 Table A MT48:3MR20-2 Optical Parameters for Group III Applications A-101 Table A MT48:MS13-2 Optical Parameters with Type 1 and 2 ONEs... A-103 Table A MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-105 Table A MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-107 Table A MT48:XIR20-2 Optical Parameters for Group I, II and III Applications with Type 1 ONEs... A-109 Table A MT48:25IR20-2 Optical Parameters for Type 2 ONEs... A-111 Table A MT48:XMR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-113 Table A MT48:MS13-2 Optical Parameters with Type 1 ONEs... A-115 Table A MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-117 Table A MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-119 Table A MT48:XIR20-2 Optical Parameters for Group I and II Table A-60. Applications with Type 1 ONEs... A MT48:XMR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-123 Table A MT48:MS13-2 Optical Parameters with Type 1 ONEs... A-125 Table A MT48:MS20-2 Optical Parameters with Type 2 and 3 ONEs... A-127 xxi

18 DWDM Network Transport Systems: Common Generic Criteria Issue 6 List of Tables January 2003 Table A MT48:nMS20-2 Optical Parameters for Multi-Span Applications with Type 3 ONEs... A-129 Table A MT48:XIR20-2 Optical Parameters for Group I and II Applications with Type 1 ONEs... A-131 Table A MT48:6MR20-2 Optical Parameters with Type 1 ONEs... A-133 Table B-1. OSC Optical Parameters... B-1 Table C-1. Nominal Central Wavelengths for CWDM Applications for 20nm Channel Spacing... C-1 Table D-1. ITU-T Rec. G Channel 2.5 Gb/s Application for C-SMF... D-1 Table E-1. ITU-T Rec. G Channel, 10 Gb/s Applications for C-SMF... E-1 Table F-1. VSR Optical Interface Specifications for 0.6 km Target Distance, 10 Gb/s Bit-rate, and NRZ Line-Coding on C-SMF... F-1 Table F-2. VSR Optical Interface Specifications for 2 km Target Distance, 10 Gb/s Bit-rate, and NRZ Line-Coding on C-SMF... F-2 Table G-1. Nominal Central Frequencies (THz)... G-1 xxii