Huawei NE40E Hardware Description page 888

NE40E
Hardware Description
Precautions for receptacle contamination
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Issue 01 (2018-05-03)
Clean tissues must be prepared for deployment on site. You need to clean the optical
connector before inserting it in the receptacle. This protects the receptacle against the
contamination.
Use at least three cleaning tissues. Wipe the end of an optical connector horizontally in one direction,
and then move the connector end to the unused part of the cleaning tissue to continue. Generally, one
cleaning tissue is used for cleaning an optical connector.
To prevent contamination, the optical module should be covered with either a dust cap or
an optical connector.
Cover an optical module with a dust cap
Cover an optical module with an optical connector
Lay the optical fibers on the Optical-fiber Distribution Frame (ODF) or coil them up in a
fiber management tray. Make sure that the optical fibers are not squeezed.
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