5 Obtaining the ESN
The Electronic Serial Number (ESN) is a unique identifier of a Network Element (NE). Record
the ESN for later commissioning of the base station before installation.
Procedure
Step 1 Record the ESN on the BBU.
l If there is not a label on the FAN unit of the BBU, you must record the ESN and site
information that is printed on a mounting ear of the BBU. Figure 5-1 shows the position of
the ESN.
l If there is a label on the FAN unit of the BBU, the ESN is printed on the label and a mounting
ear of the BBU. In this case, you must take the label and record the site information on the
side labeled Site, as shown in Figure 5-2.
Figure 5-1 Obtaining the ESN (1)
BTS3900A(Ver.B)
Installation Guide 5 Obtaining the ESN
Issue 01 (2011-10-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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