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Installation Guide
Installation Guide
7 Installing a pRRU3901
Issue 08 (2016-05-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
86
Figure 7-22
Installing a pRRU3901 on a keel
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7.4.7 Installing the Cabinet
In the outdoor scenario, the pRRU3901 should be installed in the cabinet firstly.
Context
When installed in the cabinet, the housing of pRRU3901 should be removed.
An RF surge protector provides surge protection for the RF ports on pRRU3902, and a
PoE surge protector provides surge protection for the CPRI ports.
PoE surge protector provides surge protection for the CPRI ports.
One pRRU3901 with internal antenna need to be configured with one or two PoE surge
protectors.
protectors.
One pRRU3901 with external antenna need to be configured with one PoE surge
protector, or two RF surge protectors when one RF daughter board is configured, or four
RF surge protectors when two RF daughter boards are configured.
protector, or two RF surge protectors when one RF daughter board is configured, or four
RF surge protectors when two RF daughter boards are configured.
Procedure
Step 1 Remove the housing on the top and at the bottom of pRRU3901, as shown in Figure 7-23.