Huawei BBU3900 Hardware Maintenance Manual page 58

5 Replacing Components of the BBU3900
Step 7 Remove the dustproof caps from the new optical module and optical connector, and then insert
the optical cable connector into the new optical module.
Step 8 Take off the ESD wrist strap or gloves, and then pack up all the tools.
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Postrequisite
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5-20
Place the replaced component into the ESD box or bag. Then, place the ESD box or bag
into a carton padded with foam or into the packing box of the new component.
Fill in the fault form with the details of the replaced component.
Contact the local Huawei office to handle the faulty component.
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BBU3900
Hardware Maintenance Guide
Issue 03 (2010-06-05)