Dell PowerConnect 3024 User Manual page 74

Never connect or use a modem in a wet environment.
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Do not plug a modem or telephone cable into the network interface controller (NIC) receptacle.
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Disconnect the modem cable before opening a product enclosure, touching or installing internal
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components, or touching an uninsulated modem cable or jack.
When Working Inside Your System
Protecting Against Electrostatic Discharge
Static electricity can harm delicate components inside your system. To prevent static damage, discharge
static electricity from your body before you touch any of the electronic components, such as the
microprocessor. You can do so by periodically touching an unpainted metal surface on the chassis.
You can also take the following steps to prevent damage from electrostatic discharge (ESD):
When unpacking a static-sensitive component from its shipping carton, do not remove the component
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from the antistatic packing material until you are ready to install the component in your system. Just
before unwrapping the antistatic packaging, be sure to discharge static electricity from your body.
When transporting a sensitive component, first place it in an antistatic container or packaging.
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Handle all sensitive components in a static-safe area. If possible, use antistatic floor pads and
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workbench pads and an antistatic grounding strap.
NOTE: Your system may also include circuit cards or other components that contain batteries. These
batteries must also be disposed of in a battery deposit site. For information about such batteries, refer to
the documentation for the specific card or component.
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