Figure 2 Correct placement of waterproof blocks
3. Push the handle to close the cover plate of the cabling cavity. Then, use an M4 Phillips
screwdriver to rotate the locking screw on the cover plate of the cabling cavity 90 degrees
clockwise shown in the following figure to lock the cover plate of the cabling cavity, as shown
in Figure 3.
NOTICE:
• Do not use the electric screwdriver to rotate the locking screw. Otherwise, the cross recess
may be scratched.
• The RRU cabling cavity must be securely tightened to prevent water.