Huawei OptiX OSN 7500 User manual

Huawei Technologies Proprietary
HUAWEI
OptiX OSN 7500
Intelligent Optical Switching System
Technical Manual
System Description
V100R001

Huawei Technologies Proprietary
OptiX OSN 7500
Intelligent Optical Switching System
Technical Manual
System Description
Volume System Description
Manual Version T2-040284-20050308-C-1.10
Product Version V100R001
BOM 31026684
Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service.
Please feel free to contact our local office or company headquarters.
Huawei Technologies Co., Ltd.
Address: Administration Building, Huawei Technologies Co., Ltd.,
Bantian, Longgang District, Shenzhen, P. R. China
Postal Code: 518129
Website: http://www.huawei.com
Email: [email protected]

Huawei Technologies Proprietary
Copyright © 2005 Huawei Technologies Co., Ltd.
All Rights Reserved
No part of this document may be reproduced or transmitted in any form or by any means
without prior written consent of Huawei Technologies Co., Ltd.
Trademarks
, HUAWEI, C&C08, EAST8000, HONET, , ViewPoint, INtess, ETS, DMC, TELLIN,
InfoLink, Netkey, Quidway, SYNLOCK, Radium, M900/M1800, TELESIGHT,
Quidview, Musa, Airbridge, Tellwin, Inmedia, VRP, DOPRA, iTELLIN, HUAWEIOptiX,
C&C08 iNET, NETENGINE, OptiX, iSite, U-SYS, iMUSE, OpenEye, Lansway,
SmartAX, infoX, TopEng are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this manual are the property of their
respective holders.
Notice
The information in this document is subject to change without notice. Every effort has
been made in the preparation of this document to ensure accuracy of the contents, but
all statements, information, and recommendations in this document don't constitute the
warranty of any kind, express or implied.

Huawei Technologies Proprietary
Summary of Updates
This section provides the update history of this manual and introduces the contents of
subsequent updates.
Update History
Manual Version Notes
T2-040284-20050308-C-1.10 Initial field trial release

OptiX OSN 7500
Technical Manual - System Description Contents
Huawei Technologies Proprietary
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Contents
1 Overview of the OptiX OSN 7500 1-1
2 Functions 2-1
2.1 Capacity 2-1
2.1.1 Cross-Connect Capacity 2-1
2.1.2 Slots Access Capacity 2-2
2.1.3 High Integration Design 2-3
2.2 Service 2-4
2.2.1 SDH/PDH Service 2-4
2.2.2 Ethernet Services 2-4
2.2.3 ATM Services 2-4
2.2.4 SAN and Video Services 2-4
2.2.5 Built-in WDM Technology 2-5
2.2.6 Service Access Capability 2-5
2.3 Interface 2-6
2.3.1 Service Interface 2-6
2.3.2 Administration Interface 2-7
2.4 Intelligent Features 2-8
2.5 Networking 2-9
2.6 Resilient Packet Ring 2-10
2.7 Protection 2-11
2.7.1 Equipment Level Protection 2-11

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2.7.2 Network Level Protection 2-11
2.8 DCN Communication 2-12
3 Hardware 3-13
3.1 Cabinet 3-13
3.2 Subrack 3-15
4 Boards 4-1
4.1 Type 4-1
4.2 Slot 4-4
4.2.1 SDH Interface Unit 4-5
4.2.2 PDH Interface Unit 4-8
4.2.3 Data service Interface Unit 4-9
5 Software 5-1
5.1 Overview 5-1
5.2 Intelligent Software 5-2
5.3 NE Software 5-3
5.4 Board Software 5-4
5.5 NM System 5-4
6 Data Features 6-1
6.1 Ethernet Features 6-1
6.1.1 Function 6-1
6.1.2 Application 6-3
6.1.3 Protection 6-7
6.2 RPR Features 6-9
6.2.1 Function 6-9
6.2.2 Application 6-14
6.2.3 Protection 6-17
6.3 ATM Features 6-19
6.3.1 Functions 6-19
6.3.2 Application 6-21
6.3.3 Protection 6-23

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7 Intelligent Features 7-1
7.1 SLA Service 7-2
7.2 Automatic End-to-End Service Configuration 7-5
7.3 Mesh Networking 7-6
7.4 Traffic Engineering 7-6
7.5 Integrated Intelligent Service Application 7-7
8 Protection 8-1
8.1 Equipment Level Protection 8-1
8.1.1 TPS Protection for Tributary Boards 8-2
8.1.2 TPS Protection for Ethernet Boards 8-2
8.1.3 1+1 Backup for ATM/IMA Interface Boards 8-2
8.1.4 1+1 backup for the Cross-Connect and Timing Unit 8-2
8.1.5 1+1 Backup for the SCC Unit 8-2
8.1.6 1+1 Backup for the Power Input Unit 8-2
8.1.7 1:N Protection for the +3.3 V Board Power Supply 8-3
8.1.8 Intelligent Fans 8-3
8.1.9 Abnormality-Specific Board Protection 8-3
8.2 Network Level Protection 8-4
8.2.1 SDH Trail Protection 8-4
8.2.2 SDH SNCP 8-4
8.2.3 Protection for Interworking Service in Rings 8-4
8.2.4 Fiber-shared Virtual Path Protection 8-4
8.2.5 MS-Shared Optical Path Protection 8-5
8.2.6 Mesh Protection 8-7
8.2.7 Protection of Resilient Packet Ring 8-7
8.2.8 VP-Ring/VC-Ring Protection 8-8
9 OAM 9-1
9.1 Operation and Maintenance 9-1
9.2 Administration 9-2
10 Technical Specifications 10-1

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10.1 Optical Interface Performance 10-1
10.1.1 SDH Optical Interface 10-1
10.1.2 Ethernet Optical Interface 10-6
10.1.3 ATM Optical Interface 10-7
10.2 Electrical Interface Performance 10-7
10.2.1 PDH Electrical Interface 10-8
10.3 Clock Performance 10-8
10.3.1 Clock Interface Type 10-8
10.3.2 Timing and Synchronization Performance 10-8
10.4 Transmission Performance 10-9
10.5 Power Consumption and Weight of Boards 10-9
10.6 Electromagnetic Compatibility 10-11
10.7 Environment Indexes 10-11
10.8 Environment Requirement 10-12
10.8.1 Environment for Storage 10-12
10.8.2 Environment for Transportation 10-14
10.8.3 Environment for Operation 10-17
A Compliant Standards A-1
A.1 ITU-T Recommendations A-1
A.2 IEEE Standards A-3
A.3 IETF Standards A-3
A.4 Environment Related Standards A-3
B Abbreviations and Acronyms B-1

OptiX OSN 7500
Technical Manual - System Description Figures
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Figures
Figure 1-1 Outer view of the OptiX OSN 7500 1-2
Figure 1-2 Application of the OptiX OSN 7500 in the network 1-3
Figure 2-1 Access capacity of service slots of the OptiX OSN 7500 2-3
Figure 3-1 Outer view of the ETSI cabinet 3-14
Figure 3-2 Structure of the OptiX OSN 7500 subrack 3-15
Figure 4-1 System architecture of the OptiX OSN 7500 4-2
Figure 4-2 Slot layout of the OptiX OSN 7500 4-5
Figure 5-1 Software system structure of the OptiX OSN 7500 5-1
Figure 5-2 Hierarchical structure of OSP software 5-2
Figure 5-3 Relationship between control plane and service plane 5-2
Figure 6-1 The EPL service 6-3
Figure 6-2 The EPL service with VLAN tag 6-4
Figure 6-3 The EVPL service with MPLS label 6-5
Figure 6-4 Layer 2 switching of Ethernet service 6-6
Figure 6-5 Application of EVPLAN service 6-7
Figure 6-6 LCAS adjusts bandwidth dynamically 6-8
Figure 6-7 LCAS protects the concatenation group 6-8
Figure 6-8 Flow control at the Ethernet side 6-9
Figure 6-9 RPR ring 6-10
Figure 6-10 Spatial reuse 6-13
Figure 6-11 Fairness algorithm when the weight is 1 6-14
Figure 6-12 Fairness algorithm when the weights are different 6-14

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Technical Manual - System Description Figures
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Figure 6-13 EVPL accessing, forwarding and stripping 6-15
Figure 6-14 EVPL service convergence 6-16
Figure 6-15 EVPLAN service 6-17
Figure 6-16 Wrapping protection 6-18
Figure 6-17 Steering protection 6-19
Figure 6-18 Application of Band exclusive ATM Services 6-22
Figure 6-19 VP/VC-Ring 6-23
Figure 7-1 Networking protection for diamond level service 7-3
Figure 7-2 Protection for gold level service 7-4
Figure 7-3 Application of silver level service 7-4
Figure 7-4 Application of traffic engineering in the network 7-6
Figure 8-1 Fiber-shared virtual path protection 8-5
Figure 8-2 MS-shared optical path protection 8-6
Figure 8-3 Two lower-speed lines share one higher-speed line 8-6
Figure 8-4 Sharing protection of the lines with the same speed 8-6
Figure 8-5 Bidirectional RPR 8-7
Figure 8-6 Wrapping of RPR 8-8
Figure 8-7 Steering of RPR 8-8
Figure 8-8 VP-Ring/VC-Ring protection 8-9

OptiX OSN 7500
Technical Manual - System Description Tables
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Tables
Table 2-1 Cross-connect capacity of the OptiX OSN 7500 2-2
Table 2-2 Maximum service access capacity of the OptiX OSN 7500 2-6
Table 2-3 Service interfaces provided by the OptiX OSN 7500 2-7
Table 2-4 Administration interfaces provided by the OptiX OSN 7500 2-7
Table 2-5 Basic networking modes for the OptiX OSN 7500 2-9
Table 2-6 Equipment level protection provided by the OptiX OSN 7500 2-11
Table 2-7 Maximum number of MSP rings supported by the OptiX OSN 7500 2-12
Table 3-1 Technical parameters of the ETSI cabinett 3-13
Table 4-1 Boards and functions of the units 4-2
Table 4-2 Paired slots of the OptiX OSN 7500 4-5
Table 4-3 SDH processing boards and slots available 4-5
Table 4-4 SDH interface boards and their available slots 4-7
Table 4-5 Processing board slots and corresponding interface board slots 4-7
Table 4-6 PDH processing boards and available slots 4-8
Table 4-7 PDH interface boards and their available slots 4-8
Table 4-8 Data service processing boards and their available slots 4-9
Table 4-9 Data service interface boards and their available slots 4-11
Table 6-1 Functions of OptiX OSN 7500 Ethernet boards 6-1
Table 6-2 Functions of Ethernet boards supporting RPR 6-10
Table 6-3 RPR service class 6-12
Table 6-4 Functions of the four ATM boards 6-19
Table 6-5 Supportable ATM service and traffic types of the OptiX OSN 7500 6-21

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viii
Table 6-6 Classification of ATM protection 6-23
Table 7-1 Differential protection for service at different levels 7-2
Table 10-1 Performances of the STM-1 optical interface of the OptiX OSN 7500 10-1
Table 10-2 Performances of the STM-4 optical interface of the OptiX OSN 7500 STM-4 10-2
Table 10-3 Performances of the STM-16 optical interface of the OptiX OSN 7500 10-3
Table 10-4 Performances of the STM-16 (FEC) optical interface of the OptiX OSN 7500 10-3
Table 10-5 Performances of the STM-64 optical interface of the OptiX OSN 7500 10-4
Table 10-6 Performances of the STM-64 (FEC) optical interface of the OptiX OSN 7500 10-4
Table 10-7 Performance of the STM-16 and STM-64 fixed wavelength optical interface 10-5
Table 10-8 The nominal central wavelength and frequency of the STM-16 and STM-64 optical interfaces.
10-6
Table 10-9 Specifications of Ethernet optical interface of the OptiX OSN 7500 10-7
Table 10-10 Specifications of 155 Mbit/s ATM optical interface of the OptiX OSN 7500 10-7
Table 10-11 Performance of the PDH electrical interface 10-8
Table 10-12 Clock features of the OptiX OSN 7500 10-8
Table 10-13 Timing and synchronization performance of the OptiX OSN 7500 10-8
Table 10-14 Transmission performance of the OptiX OSN 7500 10-9
Table 10-15 Power consumption and weight of boards 10-9
Table 10-16 EMC test result 10-11
Table 10-17 Environmental indxes 10-11
Table 10-18 Climate environment for storage 10-12
Table 10-19 Density for mechanical active substances 10-13
Table 10-20 Density for chemical active substances 10-13
Table 10-21 Requirements for mechanical stress 10-14
Table 10-22 Climate environment for transportation 10-14
Table 10-23 Density for mechanical active substances 10-15
Table 10-24 Density for chemical active substance 10-16
Table 10-25 Requirements for mechanical stress 10-16
Table 10-26 Requirements for temperature and humidity 10-17
Table 10-27 Other climate requirements 10-17
Table 10-28 Density for mechanical active substances 10-18
Table 10-29 Density for chemical active substances 10-18
Table 10-30 Requirements for mechanical stress 10-19

OptiX OSN 7500
Technical Manual - System Description 1 Overview of the OptiX OSN 7500
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About This Manual
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OptiX OSN 7500
Technical Manual - System Description 1 Overview of the OptiX OSN 7500
Huawei Technologies Proprietary
x
Manual Volume Usage
OptiX OSN 7500 Intelligent Optical
Switching System Electronic
Documentation (CD-ROM)
Covers all the preceding manuals. Acrobat
Reader is attached.
Organization
The manual is organized as follows:
Chapter Description
Chapter 1 Overview of
the OptiX OSN 7500
This part presents a brief introduction to the OptiX OSN 7500
and its position in the network.
Chapter 2 Functions This part introduces the typical functions and features of the
OptiX OSN 7500.
Chapter 3 Hardware This part introduces the mechanical structure and the
adaptable cabinet installation of the OptiX OSN 7500.
Chapter 4 Boards This part lists all the available boards in the OptiX OSN 7500
and introduces their installation slots.
Chapter 5 Software This part introduces the system software structure and
functions of each part.
Chapter 6 Data
Features
This part introduces the data features, including function list,
application and protection for Ethenet, RPR and ATM.
Chapter 7 Intelligent
Features
This part introduces the intelligent features and applications of
the OptiX OSN 7500.
Chapter 8 Protection This part presents protection modes (including equipment
level and network level) and characteristics supported by the
OptiX OSN 7500.
Chapter 9 OAM This part introduces main technical characteristics of the OptiX
OSN 7500 in terms of safe operation, maintenance and
centralized management.
Chapter 10 Technical
Specifications
This chapter consolidates all technical parameters and
specifications of the OptiX OSN 7500.
Appendix A Compliant
Standards
This chapter lists international standards to which the OptiX
OSN 7500 conforms in terms of design and performance.
Appendix B
Abbreviations
The appendix lists all abbreviations used in the system
description together with their full names to help with the
comprehension.

OptiX OSN 7500
Technical Manual - System Description 1 Overview of the OptiX OSN 7500
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Intended Audience
This manual is intended for:
Network planner
Network designer
Network administrator
Conventions
The manual uses the following conventions.
Symbol Conventions
Symbol Description
Warning
A warning notice with this symbol indicates a risk of personal injury.
Caution
A caution notice with this symbol indicates a risk to equipment
damage or loss of data.
Important
Note:
An important note notice with this symbol helps you avoid an
undesirable situation or indicates important supplementary
information.
Note: A note notice with this symbol indicates additional, helpful,
non-critical information.

OptiX OSN 7500
Technical Manual - System Description 1 Overview of the OptiX OSN 7500
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1-1
1 Overview of the OptiX OSN 7500
This chapter describes the positioning and application of the OptiX OSN 7500
intelligent optical switching system (the OptiX OSN 7500 for short) in the optical
transmission network.
The OptiX OSN 7500 is a piece of new generation equipment that Huawei develops
based on what the metropolitan area network (MAN) is like and its development trend
in the future. It is a piece of optical core switching (OCS) equipment and mainly used
on the service grooming node at the backbone layer of the MAN as an intelligent
optical switching platform. It features large switching capacity with a maximum of 240
Gbit/s higher order cross connection and 40 Gbit/s lower order cross connection.
In addition, the OptiX OSN 7500 provides intelligent features that are convenient and
flexible to implement. The intelligent features help the OptiX OSN 7500 to realize
dynamic switching and allocation of bandwidth, intelligent service routing and
end-to-end service configuration, and therefore bandwidth utilization is improved
effectively.
The OptiX OSN 7500 integrates synchronous digital hierarchy (SDH), plesiochronous
digital hierarchy (PDH), wavelength division multiplexing (WDM), Ethernet,
asynchronous transfer mode (ATM), storage area network (SAN) and digital video
broadcasting (DVB), thus capable of transmitting voice, data, SAN and video services
efficiently on the same platform.
Figure 1-1 shows the outer view of the OptiX OSN 7500.

OptiX OSN 7500
Technical Manual - System Description 1 Overview of the OptiX OSN 7500
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1-2
Figure 1-1 Outer view of the OptiX OSN 7500
As an intelligent optical core switching system with large capacity, the OptiX OSN
7500 is mainly used at the backbone layer of the MAN to groom and transmit various
services with different granules. It is used with the OptiX OSN 9500 and OptiX OSN
3500/2500/1500 to provide a complete MAN solution. Figure 1-2 shows how the OptiX
OSN 7500 is applied in the transmission network.

OptiX OSN 7500
Technical Manual - System Description 1 Overview of the OptiX OSN 7500
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1-3
Backbone
layer
OptiX OSN 2500OptiX OSN 3500
OptiX OSN 2500
OptiX OSN 1500
Convergence
layer
Access layer
GSM/CDMA/
WCDMA Ethernet DDNPSTN ATM. . .
OptiX OSN 7500
SAN
OptiX OSN 3500 OptiX OSN 3500
Figure 1-2 Application of the OptiX OSN 7500 in the network
The OptiX OSN 7500 is gradually used on the core convergence node of large cities,
the optical core switching (OCS) of medium and small cities, and service grooming on
provincial trunks.

OptiX OSN 7500
Technical Manual - System Description 3 Hardware
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2-1
2 Functions
This chapter introduces the functions of the OptiX OSN 7500 as follows:
Capacity
Service
Interface
Intelligent features
Networking
Resilient packet ring
Protection
2.1 Capacity
2.1.1 Cross-Connect Capacity
The OptiX OSN 7500 provides two types of SDH cross-connect board: GXCSA and
GXCSB. Table 2-1 shows their cross-connect capacity.

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Table 2-1 Cross-connect capacity of the OptiX OSN 7500
Board Higher-order
cross-connect capacity
Lower-order cross-connect
capacity
Access
capacity
GXCSA 240 Gbit/s
(1536 x 1536 VC-4)
20 Gbit/s (128 x 128 VC-4),
equivalent to (8064 x 8064 VC-12)
or (384 x 384 VC-3)
200 Gbit/s
(1280 x
1280 VC-4)
GXCSB 240 Gbit/s
(1536 x 1536 VC-4)
40 Gbit/s (256 x 256 VC-4),
equivalent to (16128 x 16128
VC-12) or (768 x 768 VC-3)
200 Gbit/s
(1280 x
1280 VC-4)
2.1.2 Slots Access Capacity
The OptiX OSN 7500 provides 22 service slots, with the maximum access capacity of
200 Gbit/s. Figure 2-1 shows the access capacity of each slot.