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DRH
Hardware Maintenance Guide
When removing the DRH, hold the DRH handle with one hand and raise the DRH bottom
with the other hand.
Step 9 Install a new DRH. For details, see the DRH Installation Guide.
Step 10 Reconnect all required cables, waterproof the connector on the RF jumper, and verify that
vacant cable troughs in the cabling cavity are equipped by waterproof blocks.
Step 11 Close the cover plate of the DRH cabling cavity, and then tighten the protection screw on the
cover plate of the DRH cabling cavity using an M5 Phillips screwdriver.
Step 12 Power on the DRH by referring to
Step 13 Check the operating status of the new DRH by observing the status of DRH indicators. When
the RFU is normal, the RUN indicator is blinking for 1s on and 1s off.
Step 14 Instruct the WebLMT or M2000 administrator to unblock the DRH.
Step 15 Take off the ESD gloves, and pack up all the tools.
----End
Follow-up Procedure
Issue 1.0(2013-04-10)
Run the LST IBSLOCELL command to list all cells on the DRH.
Run the UBL IBSLOCELL command to unblock all cells on the DRH.
Place the removed DRH 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 DRH.
Fill in the fault form with detailed information about the removed component.
Contact the local Huawei office to handle the faulty component.
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Copyright © Huawei Technologies Co., Ltd.
3.1 Powering On a
DRH.
4 Replacing a DRH
10
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