RRU3269
Installation Guide
Issue Draft B (2018-05-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Figure 9-14 Installing an RRU RF jumper
On AC-powered electric railways, such as high-speed railways, when leaky cables are
connected to RRUs installed in tunnels, high-voltage-resistance DC blocks must be installed
between RRU RF jumpers and the leaky cables to protect the RRUs against damage.
Step 2 Connect the other end of the RRU RF jumper to the external antenna system.
Before installation, check whether the connector at the other end is a 4.3-10 straight male
connector or DIN male connector.
Step 3 Waterproof the connectors of the RF jumper by referring to Figure 9-15.
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