Huawei BBU3900 Hardware Maintenance Manual page 40

5 Replacing Components of the BBU3900
5.9 Replacing the WBBP
The WCDMA Baseband Process Unit (WBBP) configured in the BBU processes baseband
signals.
5.10 Replacing the Optical Module
The optical module implements optical-electrical conversion, thus enabling optical transmission
between the BBU and other devices.
5-2 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
BBU3900
Hardware Maintenance Guide
Issue 03 (2010-06-05)