Figure 8-10 Fixing the base
(1) M12x60 bolt (2) Spring washer (3) Flat washer
(4) Insulating washer (5) Insulating spacers -
2. Place the level on the top plane of the base to check the base level, as shown in Figure
8-11. If the bubble is not in the middle of the level, adjust the base level through the adjusting
bolts.
Figure 8-11 Checking the base level
(1) Adjusting bolt
(2) Level
Step 4 Test the insulation between the base and the expansion bolt.
1. Set the multimeter to the megohm position (MΩ).
2. Measure the resistance between the base and the four expansion bolts, as shown in Figure
8-12.
BTS3900L (Ver.C)
Installation Guide
8 Installing the Cabinet
Issue 07 (2013-11-08) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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