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1 Introduction 1-1...................................................................................................

1.1 Overview 1-1................................................................................................

1.2 Features 1-4.................................................................................................

1.2.1 Flexible Configuration into STM-16 or STM-64 System 1-4.................

1.2.2 Highly Integration 1-5...........................................................................

1.2.3 Ethernet Service 1-5............................................................................

1.2.4 Interface 1-5.........................................................................................

1.2.5 Cross-Connect Capability 1-7..............................................................

1.2.6 Service Access Capability 1-7..............................................................

1.2.7 Equipment Level Protection 1-8...........................................................

1.2.8 Networking and Protection 1-8.............................................................

1.2.9 Squelching Function in Multiplex Section 1-8......................................

2 Board 2-1.............................................................................................................

2.1 Type 2-1.......................................................................................................

2.2 Slots 2-4.......................................................................................................

3 Protection 3-1......................................................................................................

3.1 Equipment Protection 3-1.............................................................................

3.1.1 Protection for Processing Board 3-1....................................................

3.1.2 1+1 Protection for Cross-connect Unit and Timing Unit 3-1.................

3.1.3 Protection for SCC unit 3-2..................................................................

3.1.4 Protection for Power Supply System 3-2.............................................

3.1.5 1:N Protection for 3.3V Board Power Supply 3-2.................................

3.1.6 Intelligent Fans 3-2...............................................................................

3.1.7 Abnormality-Specific Service Protection 3-2........................................

3.2 Network Level Protection 3-4.......................................................................

3.2.1 SDH Trail Protection 3-4......................................................................

3.2.2 SDH SNCP 3-4....................................................................................

3.2.3 Protection for Interworking Service on Rings 3-4.................................

3.2.4 Fiber-shared virtual path Protection 3-4...............................................

4 Networking 4-1....................................................................................................

4.1 Application of Basic Service 4-1...................................................................

4.2 Application of Ethernet Service 4-3..............................................................

5 Operation, Maintenance and Management 5-1.................................................

5.1 Equipment Operation and Maintenance 5-1.................................................

5.2 Equipment Management 5-3........................................................................

6 Equipment Hardware 6-1....................................................................................

6.1 Cabinet 6-1...................................................................................................

Huawei OSN 3500 User Manual

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