Wbbp; Figure 3-8 Panel Of The Wbbpa; Figure 3-9 Panel Of The Wbbpb; Figure 3-10 Panel Of The Wbbpd - Huawei BBU3900 Hardware Description

3 BBU3900 Equipment
DIP
Switch
All the DIP bits of SW2 are set to OFF by default. When four E1 links are faulty, you should
set all the DIP bits of SW2 to ON so that the faults are rectified.

3.2.3 WBBP

The WCDMA Baseband Process Unit (WBBP) of the BBU3900 processes baseband signals.
Panels
The WBBP has three types of panels, as shown in

Figure 3-8 Panel of the WBBPa

Figure 3-9 Panel of the WBBPb

Figure 3-10 Panel of the WBBPd

Functions
The WBBP has the following functions:
3-10
DIP Status
1 2
ON ON
Other settings of the DIP bits
CAUTION
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3 4
ON ON
Figure 3-8, Figure 3-9
BBU3900
Hardware Description
Description
Unbalanced
Mode
Disabled
and Figure 3-10.
Issue 11 (2010-11-10)