Dell PowerConnect 3024: Caution: Safety Instructions (continued) Modems, Telecommunications, or Local Area Network Options When Working Inside Your System

Caution: Safety Instructions (continued) Modems, Telecommunications, or Local Area Network Options When Working Inside Your System: Dell PowerConnect 3024

Caution: Safety Instructions (continued)

Do not step on or stand on any component when servicing other components in a

rack.

CAUTION: A qualified electrician must perform all connections to DC power and

to safety grounds. All electrical wiring must comply with applicable local or

national codes and practices.

CAUTION: Never defeat the ground conductor or operate the equipment in the

absence of a suitably installed ground conductor. Contact the appropriate

electrical inspection authority or an electrician if you are uncertain that

suitable grounding is available.

CAUTION: The system chassis must be positively grounded to the rack cabinet

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frame. Do not attempt to connect power to the system until grounding cables

are connected. Completed power and safety ground wiring must be inspected by

a qualified electrical inspector. An energy hazard will exist if the safety ground

cable is omitted or disconnected.

Modems, Telecommunications, or Local Area Network Options

Do not connect or use a modem during a lightning storm. There may be a risk of

electrical shock from lightning.

Never connect or use a modem in a wet environment.

Do not plug a modem or telephone cable into the network interface controller (NIC)

receptacle.

Disconnect the modem cable before opening a product enclosure, touching or

installing internal components, or touching an uninsulated modem cable or jack.

When Working Inside Your System

Protecting Against Electrostatic Discharge

NOTICE: Only a certified service technician should perform repairs on your system. Damage

due to servicing that is not authorized by Dell is not covered by your warranty.

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.

8 PowerConnect System Information Guide