Grounding Methods To Prevent Electrostatic Discharge; Safety Sign Conventions - H3C UniServer R3950 G6 Manual

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Keep the electrostatic-sensitive components in separate antistatic bags until they arrive at an
ESD-protected area.
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Place the components on a grounded surface before removing them from their antistatic bags.
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Avoid touching pins, leads, or circuitry.

Grounding methods to prevent electrostatic discharge

The following are grounding methods that you can use to prevent electrostatic discharge:
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Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
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Take adequate personal grounding measures, including wearing antistatic clothing and static
dissipative shoes.
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Use conductive field service tools.
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Use a portable field service kit with a folding static-dissipating work mat.

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 RJ-45 ports on the server can be used only for Ethernet connections.
WARNING!
To avoid electrical shocks, fire, or damage to the equipment, do not connect an
RJ-45 port to a telephone.
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.
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