Huawei RRU3203 Hardware Maintenance Manual page 17

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RRU3203

Hardware Maintenance Guide

Figure 4-3 Supporting the RRU bottom

When removing the RRU, hold the RRU handle with one hand and support the RRU bottom

with the other hand.

Step 9 Tighten the captive screws on the two hoist clamps on the main mounting bracket to 1.4 N·m

(12.39 lbf·in.). Install a new RRU and then waterproof the RRU.

Step 10 Reconnect all required cables, and verify that vacant cable troughs in the cabling cavity are

equipped by waterproof blocks.

Step 11 Close the cover plate of the RRU cabling cavity, and then tighten the protection screw on the

cover plate to 1.4 N·m (12.39 lbf·in.).

Step 12 Power on the RRU by referring to

Step 13 Check the operating status of the new RRU by observing the status of RRU indicators. For details

about the status of the indicators, see RRU Indicators.

Step 14 Run the UBL BRD command to unblock the RRU.

Step 15 Take off the ESD gloves, and pack up all the tools.

----End

Follow-up Procedure

Issue 04 (2011-09-15)

CAUTION

Place the removed RRU into the ESD box or bag. Then, place the ESD box or bag into a

foam-padded carton or the packing box of the new RRU.

Fill in the fault form with detailed information about the removed component.

Contact the local Huawei office to handle the faulty component.

Huawei Proprietary and Confidential

3.1 Powering On an

RRU.

4 Replacing an RRU

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