Classified Fault Processing. Master the processing procedures and methods of various common faults. The Problems of Optical Power, страница 6

Classified Fault Processing.......................................................................................................................................... 1

2.1 The Problems of Optical Power........................................................................................................................ 1

2.1.1 Common Causes................................................................................................................................... 1

2.1.2 Common Methods................................................................................................................................ 2

2.1.3 Procedures........................................................................................................................................... 2

2.1.4 Typical Example of Optical Power Decrease............................................................................................ 3

2.2 ECC Problems............................................................................................................................................... 5

2.2.1 Common Causes of ECC Faults.............................................................................................................. 5

2.2.2 Common Methods................................................................................................................................ 5

2.2.3 Procedures........................................................................................................................................... 5

2.2.4 Typical Example of ECC Fault (I)........................................................................................................... 6

2.2.5 Typical Example of ECC Fault (II)......................................................................................................... 7

2.3 Orderwire Problem......................................................................................................................................... 9

2.3.1 Common Causes................................................................................................................................... 9

2.3.2 Common Methods................................................................................................................................ 9

2.3.3 Procedures........................................................................................................................................... 9

2.3.4 Typical Examples of Blocked Orderwire (I)............................................................................................ 10

2.3.5 Typical Examples of Blocked Orderwire (II)........................................................................................... 11

2.4 Problem of Equipment Interconnection............................................................................................................ 13

2.4.1 Common Causes................................................................................................................................. 13

2.4.2 Common Methods............................................................................................................................... 13

2.4.3 Procedures......................................................................................................................................... 13

2.4.4 Typical Examples of Equipment Interconnection..................................................................................... 14