Наружная система питания для Huawei APM30 шкаф BBU3900 BTS3900 DBS3900 BTS3912e

 1.1 Purpose

Huawei APM30 is developed for easy power distribution of mini base stations and distributed base stations, for high adaptability of indoor transmission equipment to the adverse environment, and for power backup of mini base stations and distributed base stations.

1.2 Positioning

The APM30 provides a comprehensive solution for distributed base stations and mini base stations in terms of the following aspects:

Power distribution

Lightning protection

Transmission equipment installation

Transmission cable layout

DC power backup

The rollout of the APM30 meets the requirement of fast network construction.

2.1 Functional Parts

The APM30 consists of the following functional parts:

Rectifier

Monitoring module

Power distribution unit

Lightning protection unit

Temperature control unit

Batteries

The APM30 cabinet also provides space for installing the transmission equipment. With the functional parts, the APM30 performs the following functions:

–48 V DC power supply

Battery management

Monitoring and communication of the power supply system

Power distribution

Lightning protection

Temperature control

Power backup

Transmission equipment installation

2.2 Installation Scenarios

The APM30 cabinet is small and light. It can be installed in the following scenarios:

On a pole

On a rooftop

On the concrete floor

On an overhead platform

On a wall In addition, the external cables of the APM30 are simple and easy to install.

2.3 Environmental Adaptability

The APM30 is adaptable to the following environments:

In structural design, the APM30 can protect itself from the damage caused by the following factors:

− Water

− Moisture

− Mould

− Corrosion

− Theft

The open holes in the exterior of the APM30 cabinet help prevent the entry of foreign objects into the cabinet. The APM30 is highly adaptable to outdoor environments.

The APM30 can protect the AC/DC power supply against lightning strokes. It can be installed on a rooftop or on a mountain top where lightning strokes frequently occur.

The built-in rectifier of the APM30 can work within a wide range of AC voltages from 176 V to 290 V (corresponding to the rated power of the rectifier).

The APM30 has a good control of internal temperature and works within the temperature range –40℃ to +50℃.

2.4 Easy Maintenance

The cables are led out from the bottom of the APM30 cabinet. You can replace faulty parts, maintain the external ports, and connect the cables from the front of the APM30. The rectifier and the monitoring module are hot-swappable. This facilitates the operation and maintenance of the APM30.

Huawei BBU (BBU5900, BBU3900, BBU3910)

Huawei RRU (Full series)

ZTE RRU (Full series)

ZTE BBU (B8200, B8300)

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