Realtimes Beijing Technology Co.,LTD
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X503U Reference Manual V3.2
Electronic components and circuits are very sensitive to electrostatic discharge. Although our
company designs anti-static protection for the main interfaces on the card when designing circuit
board products, it is difficult to achieve anti-static safety protection for all components and circuits.
Therefore, it is recommended to observe anti-static safety precautions when handling any circuit
board component (including X503U). Anti-static safety protection measures include, but are not
limited to the following:
a) The smart box should be placed in an anti-static bag during transportation and storage, and then
the board should not be taken out during installation and deployment.
b) Before touching the smart box, discharge the static electricity stored in the body: wear a
discharge grounding wrist strap.
c) Operate the smart box only within the safe area of the electrostatic discharge point.
d) Avoid moving smart boxes in carpeted areas.
Precautions and after-sales maintenance
matters needing attention
Before using the product, please read this manual carefully and keep it for future reference;
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Please pay attention to and follow all warning and guidance information marked on the product;
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Please use matching power adapter to ensure the stability of voltage and current;
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Please use this product in a cool, dry and clean place;
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Do not use this product in cold and hot alternate environment to avoid condensation damage
components;
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Do not splash any liquid on the product. Do not use organic solvent or corrosive liquid to clean
the product;
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Do not use the product in dusty and messy environment. If it is not used for a long time, please
pack the product;
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Do not use in the environment with excessive vibration, any dropping or knocking may damage
the circuit and components;
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Do not plug and unplug the core board and peripheral modules when power is on;
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Please do not repair or disassemble the product by yourself. In case of any fault, please contact
