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Safety information
Safety sign conventions
To avoid bodily injury or damage to the server or its components, make sure you are familiar with the
safety signs on the server chassis or its components.
Table 1 Safety signs
Sign Description
Circuit or electricity hazards are present. Only H3C authorized or professional
server engineers are allowed to service, repair, or upgrade the server.
WARNING!
To avoid bodily injury or damage to circuits, do not open any components marked
with the electrical hazard sign unless you have authorization to do so.
Electrical hazards are present. Field servicing or repair is not allowed.
WARNING!
To avoid bodily injury, do not open any components with the field-servicing
forbidden sign in any circumstances.
The surface or component might be hot and present burn hazards.
WARNING!
To avoid being burnt, allow hot surfaces or components to cool before touching
them.
The server or component is heavy and requires more than one people to carry or
move.
WARNING!
To avoid bodily injury or damage to hardware, do not move a heavy component
alone. In addition, observe local occupational health and safety requirements and
guidelines for manual material handling.
The server is powered by multiple power supplies.
WARNING!
To avoid bodily injury from electrical shocks, make sure you disconnect all power
supplies if you are performing offline servicing.
Power source recommendations
Power instability or outage might cause data loss, service disruption, or damage to the server in the
worst case.
To protect the server from unstable power or power outage, use uninterrupted power supplies (UPSs)
to provide power for the server.