Common Causes Of Failures - Fluke DTX-1800 Technical Reference Handbook

Common Causes of Failures

Most problems in fiber links are caused by dirty, scratched,
or damaged connectors, as shown in Table 10-1.
Fault
Dirty end-faces
Poor polishing
Broken connectors
Mislabeling
Shattered end-faces
Bad splices
Excessive bends
Chapter 10: Diagnosing Fiber Cabling Faults
Table 10-1. Causes of Failures in Fiber Links
Network Owners
The table shows results of a survey of 89 contractors and
private network owners. The results show what percentage
of each group commonly found the faults listed.
80 %
72 %
40 %
8 %
34 %
36 %
6 %
Contractors
98 %
88 %
86 %
86 %
82 %
74 %
66 %
10-1