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BTS3900L (Ver.C)
Installation Guide
Figure 10-2 Installing the satellite card on the USCU
(1) Satellite card
Step 3 Optional: Install the USCU equipped with the satellite card into the BBU, and tighten the screws
on the USCU to 0.6 N·m.
Step 4 Install one end of the GPS clock signal cable at the top of the cabinet and connect the other end
to the GPS port on the USCU, as shown in
Issue 07 (2013-11-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
10 (Optional) Installing the Modules
(2) RF jumper
Figure
10-3.
47
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