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RRU3931E
Installation Guide
Figure 1-20 RRU3931E cable connections
(1) PGND cable
1.7.3 Opening the Maintenance Cavity Covers
This section describes the procedure and precautions for opening the maintenance cavity
covers of a RRU3931E.
Procedure
Step 1 Use an M6 hex key screwdriver to loosen the captive screw on both the maintenance cavity
covers. Open the maintenance cavity covers.
Figure 1-21
Issue Draft A (2016-03-30)
(2) CPRI fiber optic
cable
NOTE
When routing cables from a maintenance cavity, observe the following:
l Route the power cable through the cable hole on the upper-layer rubber strip
l Route the other cables (except power cables) through cable holes on the lower-layer rubber strip
preferentially
l Route cables through cable holes on the same side of ports, and do not cross cables.
shows the maintenance cavity structure.
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1 RRU3931E Installation Guide
(3) Power cable
(4) RF Jumper
24
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