Tools, Equipment, and Materials
The following lists the required tools, equipment and materials:
● Optical power meter
● 400X ber microscope (A video ber microscope is recommended.)
● Cleaning solvent (Isoamylol is preferred, propyl alcohol is the next, and
alcohol or formalin is forbidden.)
● Special compressed air
● Dustfree absorbent swab (made of medical cotton or long
ber cotton)
Precautions
Laser energy is invisible and may cause eye injuries. Never look directly into ber
connectors or ports.
Electrostatic discharge is hazardous to the electronic equipment. Wear an ESD
wrist strap and ensure that the strap is grounded properly before touching the
equipment and boards, to protect the static-sensitive components against
electrostatic discharge of the human body. Otherwise, the equipment may be
damaged or the service may be interrupted.
Procedure
1. Shut down the laser and disconnect the ber end before inspecting the ber
connector.
2. Test the optical power using a power meter to ensure that the laser is shut
down.
3. Select the dustfree absorbent swab with a proper diameter based on the type
of an adapter.
For SC and FC ber adapters, use the dustfree absorbent swab with a diameter of 2.5
mm (0.1 in.); for the LC
ber adapter, use the dustfree absorbent swab with a
diameter of 1.25 mm (0.05 in.). See Figure 4-52 and Figure 4-53.
Figure 4-52 Dustfree absorbent swabs for cleaning the SC and FC connectors
HUAWEI NetEngine 8000 F
Hardware Guide 4 Hardware Installation and Parts Replacement
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 399
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