E1 Service Interconnection Between Huawei Microwave Equipment and Third-party Equipme

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Contents

Chapter 1 Background Knowledge................................................................................................. 5
Chapter 2 Problem Description....................................................................................................... 6
Chapter 3 Test Result....................................................................................................................... 6
3.1 Incorrect Cable Connection Caused A Service Failure and the E1_LOC Alarm.................. 6
3.2 Services Were Restored to Normal After the Cable Was Re-soldered and There Were No Alarms or Bit Errors During the Long-Term BER Test................................................................ 7

Chapter 4 Result Analysis ............................................................................................................... 7
4.1 Analysis of the Alarm Reporting Due to the Incorrect Cable Connection............................. 7
Chapter 5 Fault Locating Methods ................................................................................................. 8

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Contents

Chapter 1 Background Knowledge................................................................................................. 5
Chapter 2 Problem Description....................................................................................................... 6
Chapter 3 Test Result....................................................................................................................... 6
3.1 Incorrect Cable Connection Caused A Service Failure and the E1_LOC Alarm.................. 6
3.2 Services Were Restored to Normal After the Cable Was Re-soldered and There Were No Alarms or Bit Errors During the Long-Term BER Test................................................................ 7

Chapter 4 Result Analysis ............................................................................................................... 7
4.1 Analysis of the Alarm Reporting Due to the Incorrect Cable Connection............................. 7
Chapter 5 Fault Locating Methods ................................................................................................. 8


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