Leveling; Insulation Test; Cabinet Installation - Huawei Airbridge cBTS3612 Installation Manual

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Airbridge cBTS3612 CDMA Base Station

3.3.7 Leveling

Place a level bar vertical on the top-plane of the lower support to check the levelness.

When errors exist, adjust the levelness by adding washers beneath the lower support,

as shown in Figure 3-13.

Set the multimeter to the megohm range, and measure the resistance between the

expansion bolt and the lower support. If the resistance is greater than 5 megohms,

the circuit is an open circuit and the installation thus ends. Otherwise, the lower

support is not insulated from the ground. In this case, remove all installation parts and

check whether the insulating covering is missing or damaged. Repeat the installation

procedures of the lower support and perform the insulation test again.

Place the upper support (being fixed already at the lower part of the cabinet upon

delivery) to the lower support, push in and fix cabinet with bolts to complete the

installation. The process is shown in Figure 3-14.

(1) Bolt M12x30

Figure 3-14 Cabinet installation on the anti-static floor

(2) Spring washer Ö12

3-16　

Hardware Installation

3 Cabinet Installation

(3) Plain washerÖ12

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