Huawei DBS3900 Installation Manual page 148

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Follow-up Procedure
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Issue 05 (2015-01-15)
Place the replaced optical module into an ESD box or bag. Then, place the ESD box or bag
into a foam-padded carton or the packing box of the new optical module.
Record the information about the faulty component in the fault card.
Contact the local Huawei office to deal with the faulty component.
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7 Replacing an Optical Module
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