Huawei NetCol8000-E220 Series Quick Manual page 7

2. Connect the steel hoisting ropes, and hoist the device onto the concrete platforms.
3. Use M12 screws to secure the air duct to the floor or concrete platform.
Indoor scenario Outdoor scenario
4. Turn the four M20 twistlocks in the base by 90 degrees to lock the equipment, and tighten the
twistlocks using a torque wrench.
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