Querying Board Information; Replacing The Bbu In The 19-Inch Cabinet; Figure 5-1 A Label Containing The Bar Code - Huawei BBU3900 Hardware Maintenance Manual

BBU3900
Hardware Maintenance Guide

5.1 Querying Board Information

Before replacing a board, you need to query the board information at the remote end to confirm
the type of board to be replaced.
1.
2.

5.2 Replacing the BBU in the 19-Inch Cabinet

This chapter describes how to replace the BBU in a 19-inch cabinet, such as in an APM30 or
TMC.
Prerequisite
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Context
Replacing the BBU in a 19-inch cabinet disrupts all the services carried by the NodeB. Therefore,
the BBU should be replaced within 20 minutes.
Procedure
Step 1 Instruct the M2000 administrator to perform the following operations for the replacement of the
BBU:
1.
2.
Issue 03 (2010-06-05)
Run the LST BRDINFO command on the LMT.
Confirm the type of the board to be replaced according to the Boadtype and Description
fields in the query result. Ensure that the new board is of the same type by checking the
information indicated by the bar code on the label of the panel or handle of the new board.
Figure 5-1 shows a label containing the bar code.

Figure 5-1 A label containing the bar code

The tools and materials, such as an ESD wrist strap or ESD gloves and M6 screwdriver,
are ready.
The type of BBU to be replaced and its quantity are confirmed, and the new BBU is ready.
The authorized personnel are permitted to enter the site. The required keys are available.
Back up the service data or transfer the service carried by the BBU to be replaced if required.
On the LMT, run the ULD CFGFILE command to upload the data configuration file of
the NodeB to the PC installed with the LMT.
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5 Replacing Components of the BBU3900
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