Huawei DBS3900 Installation Manual page 68

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RRU3249

Installation Guide

Figure 7-28 Correct placement of waterproof blocks

Step 3 Close the cover plate of the RRU cabling cavity. Use an M5 torque screwdriver to partially

tighten the screws on the cover plate in the sequence shown in

screws to 2 N·m (17.7 lbf·in.) in the same sequence.

The RRU cabling cavity must be securely tightened to prevent water.

Figure 7-29 Closing the cover plate of an RRU cabling cavity

Issue DraftA (2015-05-30)

NOTICE

Huawei Proprietary and Confidential

7 Installing RRU Cables

Figure

7-29. Then tighten the

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