Figure 6-1
Slot for installing the RF daughter boards
NOTE
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Unless otherwise specified, LTE mode in this document refers to LTE TDD and LTE FDD.
l
This section describes how to install an RF daughter board in slot S2 as an example.
Procedure
Step 1
Instruct the network operator to block the pRRU.
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On the UMTS side, log in to the LMT and run the
BLK BRD
command to block the RF
daughter board.
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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 has afterheat. Take scald-proof measures when removing
the modules.
Step 2
Power off the pRRU.
Powering off the pRRU interrupts all the services carried on the pRRU.
Step 3
Wear ESD gloves.
NOTICE
Take proper ESD protection measures. For example, wear ESD gloves to prevent electrostatic
damage to the boards, modules, or electronic components.
Step 4
Use an M4 Phillips screwdriver to loosen the Phillips screw on the pRRU housing. Wrench and
remove the housing from the installation position of the Phillips screw hole, as shown in
LampSite
Installation Guide
6 Appendix
Issue 02 (2014-05-27)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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