Advantech ARK-2231R-S9A1E, User Manual

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vii ARK-2231R User Manual
18. CAUTION: Always completely disconnect the power cord from your chassis
whenever you work with the hardware. Do not make connections while the
power is on. Sensitive electronic components can be damaged by sudden
power surges.
19. CAUTION: Always ground yourself to remove any static charge before touching
the motherboard, backplane, or add-on cards. Modern electronic devices are
very sensitive to static electric charges. As a safety precaution, use a grounding
wrist strap at all times. Place all electronic components on a static-dissipative
surface or in a static-shielded bag when they are not in the chassis.
20. CAUTION: Any unverified component could cause unexpected damage. To
ensure the correct installation, please always use the components (ex. screws)
provided with the accessory box.
21. ATTENTION: Tout composant non vérifiée pourrait causer des dommages inat-
tendu. Pour garantir une installation correcte, s'il vous plaît utilisez toujours les
composants( vis ex.) fournies avec la boîte d'accessories.