ZTE Corporation R8978S2600L Manual Do Utilizador
Chapter 2 Product Overview
2.5 External Interfaces
illustrates the external interfaces of the ZXSDR R8978.
Figure 2-3 External Interfaces
For a description of the external interfaces, refer to
.
Table 2-4 External Interface Description
External Device
Description
External Interface
BBU
BBU
performs the functions such as
GPS
synchronization, main control, and baseband
processing.
Logical interface: Ir interface
Physical interface: optical
fiber interface
UE
UE
accomplishes the Uu interface functions of
transmitting voice and data services.
Logical interface: Uu interface
Physical interface: none
User device
External environment monitoring device
Logical interface: not
standardized
Physical interface: dry contact
2-5
SJ-20141113151137-001|2016-08-17 (R1.2)
ZTE Proprietary and Confidential