Chapter 3 Networking And Maintenance; Baseband-Rf Networking - Zte ZXSDR R8872A Product Description

Chapter 3
Networking and Maintenance
Table of Contents

Baseband-RF Networking ..........................................................................................3-1

Operation and Maintenance .......................................................................................3-2
3.1 Baseband-RF Networking
The ZXSDR R8872A supports star and line networks with the BBU. The ZXSDR R8872A
and the BBU are connected with optical fibers.
l
Star network
Each
topology is reliable but occupies more transmission resources. It is applicable to
densely-populated areas.
Figure 3-1 Star Network
l
Line network
Multiple RRUs are connected to form a link, and then the link is connected to the
BBU, see
is less reliable than the star network topology. It is applicable to sparsely-populated
areas.
Figure 3-2 Line Network
SJ-20141127113509-001|2016-12-05 (R1.4)
RRU has a point-to-point connection with the BBU, see
Figure 3-2. This network topology occupies less transmission resources but
3-1
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Figure 3-1. This network