Figure 4-45 Acceptable bers with imperfections
Figure 4-46 Unacceptable bers with imperfections
4. If any dirt is detected, clean the optical ber connector. For details, see
"Cleaning Optical Fiber Connectors Using the Cassette Cleaner" and "Cleaning
Optical Fiber Connectors Using Lens Tissue".
5. If any damage is detected, replace the
ber.
4.1.4.5.5 Inspecting the Optical Fiber Link
This section describes the insertion loss and reection requirements of optical links
and the method of checking the quality of optical links for the application of 50G
optical modules with the PAM4 coding technology.
Tools, Equipment, and Materials
Tools and instruments for checking optical
ber links are as follows:
● OTDR meter
● Fiber microscope
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
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