HUAWEI BBU3900 PDF

Networking Application Simple Structure and Fast Network Deployment The DBS has only two types of basic functional modules, thus greatly reducing the investment in spare parts and maintenance. With excellent environment adaptability, basic modules can be easily adapted to onsite conditions to achieve efficient deployment, obviating an equipment room. That is, there is no additional cost of construction an equipment room. Flexible Installation and Particularly Well-Suited to Railway Coverage The remote radio module provides the following benefits: Since the RF module of the DBS can be mounted on top of the tower, the feeder length is significantly reduced and the cost of procuring feeders is decreased accordingly. Thanks to the radio remote technology, the DBS supports distributed installation of baseband and RF modules, which provides great flexibility to design the coverage along railway lines. The most significant advantage of such a scheme is to reduce the amount of inter-cell handovers.

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Prepare for restoring software and configuration data remotely. Prepare for restoring software and configuration data locally. If the NE commissioning task enters the auto-configuration phase, the base station has finished restoring the software and configurations.

Unblock all cells under the base station. NOTE: In a multimode base station, the cells of each mode must be unblocked. Inform the site engineer that the remote operations are completed, and ask the site engineer to verify the services. Perform the following operations locally. When removing a board, hold the board with both hands and remove it from the subrack slowly. When transporting a board, hold the board with both hands.

Download and activate a configuration file, software, and a license optional. If a surge protection board is configured, the surge protection transfer cable also needs to be removed, as shown in the following figure. Figure 3. Install the new board, lower the ejector levers, tighten the screws on the board panel to 0.

Check the status of the new board by observing the status of indicators. Then, place the ESD box or bag into a foam-padded carton or the packing box of the new component. Contact your local Huawei office to handle the faulty component.

ANNETTE NOONTIL PDF

Huawei BBU3900 Hardware Maintenance Manual

Contents About This Document Compared with issue 07 , 15 , and 14 , no information is added. Compared with issue 07 , 15 , and 14 , the following part is modified: Part 6. Compared with issue 07 , 15 , and 14 , no information is deleted. Compared with issue 14 , no information is added. Compared with issue 14 , the following part is modified: Part 6. Compared with issue 13 , this issue is added with the following topic: l l l l l l l l l l l l l l l l l l 2.

BIALETTI MUKKA EXPRESS INSTRUCTIONS PDF

180557334 HUAWEI DBS3900 Dual Mode Base Station Hardware Structure and Pinciple Ppt

Page 3 All other trademarks and trade names mentioned in this document are the property of their respective holders. Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. The maintenance tasks consist of power supply and grounding system maintenance, cabinet maintenance, and power-on and power-off operations. This document also describes the procedures for replacing the components. Page 6 This describes how to power on and power off the BBU

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