ZXC10-BTS (V5.4) Installation Manual
12-4
When the load exceeds 25A, the board starts limiting current. The HPA is
provided with the working power supply by several 27V PPMs connected in
parallel to work in the N+1 backup mode.
12.2 Introduction to Main BTS Modules
12.2.1 RFE Module
ZTE currently provides two types of RFE (RF Front End) modules. Select the module
according to the BTS configuration as follows:
●
RFE-DUP: Applicable to single-carrier BTS and two-carrier BTS;
●
RFE-DIV: Diversity RX branch, applicable only to single-carrier BTS.
The panel of the two types of RFE module is as shown in Fig. 12.2-1. All RF interfaces
are located on the front panel, including the interfaces for N connection with the
antenna and the connection to TRX and SMA of HPA.