l
Insert the board along the guide rail.
l
Avoid contact of one board with another to prevent short-circuit or damage.
l
Do not remove the active board before powering off.
l
When holding a board in hand, do not touch the board circuit, components, connectors, or
connection slots.
Bundling Signal Cables
CAUTION
Bundle the signal cables separately from the strong current cables or high voltage cables.
Cabling Requirements
At a very low temperature, movement of the cable may damage the plastic skin of the cable. To
ensure the construction safety, comply with the following requirements:
l
When installing cables, ensure that the environment temperature is above 0
o
C.
l
If cables are stored in the place below 0
o
C, move the cables into a place at a room
temperature and store the cables for more than 24 hours before installation.
l
Move the cables with care, especially at a low temperature. Do not drop the cables directly
from the vehicle.
RRU
User Guide
1 Safety Information
Issue 01 (2008-04-18)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
1-13