48
Appendix
Remove the GTMU and UELP from the BBU.
Setting the DIP Switches
a
Wear an ESD wrist strap during the operations on the
boards to prevent damage to the boards.
The UELP is optional. Please check the settings of the DIP switches according to the field conditions.
Obtaining the ESN
Record the Electronic Serial Number (ESN) shown on the label attached to
the mounting ear of the BBU, and report the ESN to the engineer for the
commissioning of the base station.
ESN
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