ZTE Corporation ZXMBW-RA25 Benutzerhandbuch

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ZXMBW RA25 Agile 2.5G Remote Radio Frequency Unit Installation Manual 
 
40      
Confidential and Proprietary Information of ZTE CORPORATION 
 
Cable/Fiber Installation 
Requirements 
The following requirements  must be met for the installation of 
cables and optical fibers.  
Cable Installation Requirements 
The cables installed outdoors must all be PE sheathed cables 
in principle.  If common cables need to be used in special 
cases, the PVC tubes must be used to protect them.  
Cables  must be laid in good order. Power cables and signal 
cables must be laid separately, with spacing over 200 mm in 
between.  
When cables are laid on the iron tower, the cable ties must 
be spaced less than  0.5 m, to protect the rocking cable 
jackets from rubbing with the iron tower and thus being 
damaged.  
Fiber Installation Requirements 
Do not bend optical fibers into right angles. The bend radius 
of outdoor optical fibers  must be 90 mm for the minimum, 
and that of indoor optical fibers  must be 30 mm for the 
minimum.  
If an optical fiber is overlong, the excessive part  must be 
arranged in the fiber winder. Fibers must not entangle with 
each other, for easy identification;  
The optical fibers must go naturally with minimum bends and 
without being dragged violently. The binding  must be in 
proper tightness, and the spacing between cable items must 
be less than 0.5 m.  
The marks on both ends of an optical fiber must be clear.