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 …

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 …

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 …

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 …

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 …

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 …

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 …

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 …