Step 3 Grip the green part of the optical ber, remove the MPO end of the optical ber
from the optical module, and cover the optical ber with a dustproof cap, as
shown in Figure 6-117.
Do not look into the optical port without eye protection. The laser beam on the
optical interface board or from the 
ber may cause injuries to eyes.
Figure 6-117 Removing an optical ber
Step 4 Grip the rubber handle outside the optical module, pull the optical module out
with even force, and cover it with a dustproof cap, as shown in Figure 6-118.
Figure 6-118 Removing the optical module
Step 5 Put the removed optical module into an ESD bag.
Step 6 Take the spare part out of its ESD bag.
Step 7 Take the dustproof cap 
o the optical module, hold the rubber handle outside the
optical module, and insert the optical module into the port, as shown in Figure
6-119.
● Push the optical module to the end. If you hear the click or feel a weak
vibration, the optical module has been successfully installed.
● If an optical module is installed incorrectly, it will loose or a link interruption
may occur.
OceanStor V5 Series
Parts Replacement 6 Replacing CRUs
Issue 15 (2019-12-30) Copyright © Huawei Technologies Co., Ltd. 126