ZTE Corporation ZXMBW-RA25 Manuale Utente

 

ZXMBW RA25 Agile 2.5G Remote Radio Frequency Unit Installation Manual 

 

Confidential and Proprietary Information of ZTE CORPORATION 

 

Three fans are installed on the base of the RA25 chassis, and 
they are powered through the  -24 V DC power supply 
provided by the chassis. Figure 21 shows the structure of the 
fan power cable. 

 

 

 

Power Cables Installation Procedure 

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External power cable of the chassis 
Feed end A with a waterproof connector of the AC power 
supply through the jack identified with  POWER  on the 
transfer board at the bottom of the chassis, connect it to the 
power lightning arrester in the chassis, and then tighten the 
waterproof connector on the cable. Connect end B to the 
AC/DC power distribution cabinet of the user. In this manual, 
the typical installation and connection of the 220 VAC power 
cable is given. Other power cables can be installed in similar 
ways.  

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Fan power cable in the chassis 
Connect the 7-core round connector on end A to the FAN 
socket on the transfer board. FAN1, FAN2, and FAN3 on end 
B of the cable have already been connected to the three fan 
power ports at the bottom of the chassis.