Figure 11-31 Taking the spare fuse
Step 6 Insert the new fuse into the corresponding port.
Step 7 Set the circuit breaker for the new fuse to ON and check the running status of the related modules
to determine whether the fuse works properly.
Step 8 Take off the ESD wrist strap or gloves, and then pack up all the tools.
----End
Follow-up Procedure
l 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.
l Fill in the fault form with the details of the replaced component.
BTS3900A(Ver.B)
Installation Guide 11 Installing Optional Modules
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
79
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