Others - Huawei BTS3900 GSM Commissioning Manual

1 Safety Information
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Handling Sharp Objects
When carrying the device by hand, wear the protective gloves to prevent injury by sharp objects.
Handling Fans
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Moving Heavy Objects
Wear the protective gloves when moving heavy objects.
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1.8 Others

Inserting and Removing a Board
When inserting a board, wear the ESD wrist strap or gloves. Insert the board gently to prevent
any bent pins on the backplane.
1-12
During the drilling, wear blinkers to protect your eyes.
During the drilling, wear the protective gloves.
Prevent the metal shavings from getting into the cabinet. After drilling, clean the metal
shavings in time.
CAUTION
When replacing a component, place the component, screw, and tool at a safe place to prevent
them from falling into the running fan.
When replacing the ambient equipment around the fan, do not place the finger or board
into the running fan until the fan is switched off and stops running.
CAUTION
Be careful when moving heavy objects.
When moving the chassis outwards, be aware about the unfixed or heavy objects on the
chassis to prevent injury.
Two persons should be available to move a chassis; one person must not move a heavy
chassis. When moving a chassis, keep your back straight and move stably to prevent a
sprain.
When moving or lifting a chassis, hold the handle or bottom of the chassis. Do not hold the
handle of the installed modules in the chassis, such as the power module, fan module, or
board.
CAUTION
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
BTS3900 GSM
Commissioning Guide
Issue 03 (2008-07-15)