Fan; Figure 3-11 Panel Of The Fan Unit; Table 3-11 Ports On The Wbbpd - Huawei BBU3900 Hardware Description

BBU3900
Hardware Description
The WBBPd has six ports.

Table 3-11 Ports on the WBBPd

Label
CPRI0, CPRI1, CPRI2
CPRI3/EIH0, CPRI4/EIH1,
CPRI5/EIH2

3.2.4 FAN

The FAN unit of the BBU3900 controls the fan speed, monitors the temperature of the FAN
unit, and dissipates the heat in the BBU.
Panel
Figure 3-11

Figure 3-11 Panel of the FAN unit

Functions
The FAN unit performs the following functions:
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Issue 11 (2010-11-10)
NOTE
The six CPRI ports are available on the WBBPd configured only in slot 2 or 3, and the CPRI ports are not
available on the WBBPd configured in other port.
shows the panel of the FAN unit.
Controls the fan speed.
Reports the fan status to the main control board.
Monitors the temperature of the air inlets.
Dissipates the heat.
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Table 3-11 describes the ports on the WBBPd.
Connector Type
SFP female
3 BBU3900 Equipment
Description
Data transmission port
between the BBU and the RF
module, supporting input and
output of optical and
electrical signals
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