Huawei Technologies Co. Ltd PRRU3901 Manual Do Utilizador
10
Replacing the pDock Mother Board
This section describes the procedure for replacing the pDock mother board. Replacing the pDock
mother board of a pRRU will interrupt all services carried on the pRRU. A pDock mother board
can have two transmission ports or three transmission ports, requiring the same installation
operations. This section uses the pDock mother board with three transmission ports as an
example.
mother board of a pRRU will interrupt all services carried on the pRRU. A pDock mother board
can have two transmission ports or three transmission ports, requiring the same installation
operations. This section uses the pDock mother board with three transmission ports as an
example.
Prerequisites
The process takes approximately 20 minutes.
Procedure
Step 1 Instruct the network operator to block the pRRU.
l On the UMTS side, log in to the LMT and run the BLK BRD command to block the RF
daughter board.
l On the LTE side, log in to the LMT and run the BLK BRD command to block the RF daughter
board.
CAUTION
A pRRU that has just been powered off is till very hot on the surface. Take scald-proof measures
when removing the modules.
when removing the modules.
Step 2 Power off the pRRU by referring to
Step 3 Put on ESD gloves.
NOTICE
Take proper ESD protection measures, for example, wear ESD gloves, to prevent electrostatic
damage to the boards, modules, or electronic components.
damage to the boards, modules, or electronic components.
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10 Replacing the pDock Mother Board
Issue 02 (2014-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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