● Lay the optical bers on the Optical-ber Distribution Frame (ODF) or coil
them up in a ber management tray. Make sure that the optical bers are not
squeezed.
● If a receptacle or an optical connector has not been used for a long time and
has not been covered with a dust cap, you should clean it before using it. A
cotton swab is used to clean a receptacle, and a cleaning tissue is used to
clean an optical connector.
During the cleaning process, insert the cotton swab and turn it slowly in the
receptacle. Do not use too much force, because the receptacle may be damaged.
● If, for no apparent reason, optical signals are lost during the operation of a
device, use the preceding method to clean the receptacle or the optical
connector. This will eliminate contamination as the cause of the signal loss.
Precautions for the overload-caused burnt optical amplier
● When using an OTDR to test the connectivity or the attenuation of optical
signals, disconnect the optical connector from the optical amplier.
Otherwise, the optical amplier may be burnt.
● When performing a self-loop test, use an optical attenuator. Do not loosen
the optical connector.
Other precautions
The optical connector should be horizontally inserted in the receptacle to avoid
damages to the receptacle.
3.4.3 155Mbps eSFP Optical Module
HUAWEI NetEngine 8000 F
Hardware Guide 3 Hardware Description
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 124
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