The EMUA can be configured for the DBS3900 that requires more than 16 Boolean alarm signals. Each EMUA supports 32 Boolean alarm inputs and two RS485 signal inputs. Issue 11 (2010-11-10) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. The BBU houses the UPEU and UEIU for monitoring.

2019年8月9日 · BBU全称Building Base band Unit ，中文名：基带处理单元。 RRU（射频拉远单元）和BBU（基带处理单元）之间需要用光纤连接。 一个BBU可以支持多个RRU。 采用BBU+RRU多通道方案，可以很好地解决的室内、室外信号覆盖。 TD-LTE（4G）基站系统由产品功能模块（BBU、RRU）和配套设备（天馈系统、机柜、电源系统、监控单元等）组成。 二、BBU硬件介绍. BBU为基带处理单元，完成基站基带信号的处理功能. BBU插槽编号. 1、BBU …

2020年5月26日 · To reduce the installation investment, the BBU3900 or BBU3910 can be installed on an indoor wall or in a standard cabinet. The RRU can be mounted on a pole, …

BBU Hardware Installation Checklist Item All self-made PGND cables are copper-based with the proper wire diameters. No breaking device such as switch and fuse is allowed for the electric connection of the grounding system. No short circuit is allowed. Each terminal on the ground bar can be connected with only one wiring terminal of the PGND cable.

Compared with the BBU3900, the BBU3910 has enhanced backplane switching capabilities: In the BBU3900, no direct route is available between slots 0, 1, 4, and 5, and data between them must be transferred by slot 2 or 3. In the BBU3910, however, data can be directly exchanged between slots 0 through 5.

2020年5月26日 · In the BBU3900, no direct route is available between slots 0, 1, 4, and 5, and data between them must be transferred by slot 2 or 3. In the BBU3910, however, data can be directly exchanged between slots 0 through 5. Figure 1-1 shows the slot connections in the BBU3900 and BBU39010.

2019年8月5日 · 本文介绍了华为DBS3900分布式基站中的BBU3900，详细阐述了BBU的主要功能、硬件结构以及槽位配置。 内容包括BBU的8个槽位规则，信道板和主控板的插槽位置，以及BBU3900的数据透传特性。 同时，提到了T1/E1数据传输标准，并讨论了DO载频扩容的条件，即当话务量、占空比和用户数满足特定条件时需要考虑扩容。 DBS3900分布式基站有两种. BBU主要功能简介: a) BBU3900 是BTS的基带处理单元，并提供与BSC之间的物理接口。 b)提供对外 …

In this post, I will introduce the BBU3900 and BBU3910 in detail to facilitate your understanding of the product. Figure 1 BBU3900 exterior. Figure 2 BBU3910 exterior.

3900 series base stations, which use baseband units (BBUs) and RF modules as the main devices, adopt the industry-leading modular design to support multiple RATs and application forms, and therefore are applicable to various installation scenarios, greatly reducing costs in

2018年11月14日 · Typical Configuration of the BBU3900: GTMU: transmission and control function entity of the BBU. It provides the reference clock, maintenance port, and external alarm collection port, monitors the power supply, and controls and manages the entire base station. The GTMU is classified into two types: GTMU and GTMUb. Figure 3-4 and Figure 3-5 show.