LTE TDD
BBU3900&BBU3910 Description
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 1-26 FANe panel
Functions
The FAN dissipates heat from the BBU3900&BBU3910. It monitors the inlet temperature,
controls the rotation speed of the fans, and reports the status of the fans to the LMPT or
UMPT in the BBU3900&BBU3910.
1.3.12 UCCU
The UCCU, a universal inter-connection combo unit, allows a long-distance connection
between the BBU and USU, allowing a remote distance connection in BBU interconnection
scenarios.
Panel
Figure 1-27 shows the UCCU panel.
Figure 1-27 UCCU panel
Functions
The UCCU exchanges baseband data between BBUs, allowing a long-distance connection
between the BBU and USU in BBU interconnection scenarios.
Ports
Table 1-14 lists the ports on the UCCU.
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