6
Structure and Clearance
b
Clearance for the BTS3900C
Dimensions of the BTS3900C cabinet
Maximum clearance for the BTS3900C
cabinet
Unit: mm
Unit: mm
Obtaining the ESN
1. Record the ESN on the BBU.
2. Report the ESN to the engineer for the commissioning of the base station.
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.
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.