H3C SecPath L5000-AD920 Installation Manual page 4

1
Preparing for installation
Safety recommendations
To avoid bodily injury or device damage, read all safety recommendations carefully before
installation. Note that the recommendations do not cover every possible hazardous condition.
Safety symbols
When reading this document, note the following symbols:
WARNING means an alert that calls attention to important information that if not understood or
followed can result in personal injury.
CAUTION means an alert that calls attention to important information that if not understood or
followed can result in data loss, data corruption, or damage to hardware or software.
General safety recommendations
•
Place the device in a spacious and flat area that is free from vibration or strong electromagnetic
interference. Take adequate ESD prevention measures and anti-slip measures.
•
Keep the chassis and installation tools away from walk areas.
•
Do not place the device on an unstable case or desk. The device might be severely damaged in
case of a fall.
•
Keep the chassis clean and dust-free.
•
Do not place the device in a wet area, and prevent liquid from flowing into the device chassis.
•
Vertically align devices according to the sizes and packing symbols on the packages, and avoid
any obvious tilts.
•
Ensure good ventilation of the equipment room and keep the air inlet and outlet vents of the
device free of obstruction.
•
Make sure the power source voltage meets the requirements of the device.
•
Use a screwdriver, rather than your fingers, to fasten screws.
•
Remove all packing materials and installation tools from the equipment room after the
installation is complete.
Table1-1 Packing symbols
Symbol Description
Stored with a maximum stack of n units.
Transported and stored with the arrows up.
1-1