Symbol Conventions - Huawei PowerCube 500 User Manual

PowerCube 500 (CPS300-N18A1H)
User Manual
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1.1.3 Symbol Conventions

To ensure safety of humans and the equipment, pay attention to the safety symbols on the
equipment and all the safety instructions in this document. The "NOTICE", "CAUTION",
Issue 02 (2019-08-30)
Ensure that all slots are installed with boards or filler panels. Avoid hazards caused by
hazardous voltages or energy on boards. Ensure that the air channel is normal, control
electromagnetic interference, and prevent dust and other sundries on the backplane,
baseplate, and boards.
After installing the equipment, remove idle packing materials such as cartons, foam,
plastics, and cable ties from the equipment area.
In the case of a fire, immediately leave the building or the equipment area, and turn on
the fire alarm bell or make an emergency call. Do not enter the building on fire in any
case.
Do not stop protective devices. Pay attention to the warnings, cautions, and related
precautionary measures in this document and on the nameplates. Promptly replace
warning labels that have worn out.
Keep irrelevant people far away from the equipment.
Use wooden or fiberglass ladders when you need to perform live working at heights.
Use insulated tools or tools with insulated handles, as shown in the following figure.
All cable holes should be sealed. Seal the cable holes with firestop putty. Seal the unused
cable holes with the caps delivered with the cabinet. The following figure shows the
criteria for correct sealing with firestop putty.
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1 Safety Precautions
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