Huawei LampSite Installation Manual page 97

LampSite
Installation Guide
Figure 6-1 Slot for installing the RF daughter boards
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
l On the LTE side, log in to the LMT and run the BLK BRD command to block the RF daughter
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.
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
6-2.
Issue 02 (2014-05-27)
NOTE
l 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.
daughter board.
board.
CAUTION
NOTICE
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6 Appendix
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