DES-3226L Layer 2
Fast Ethernet Switch User’s Guide
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 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.
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):
1. When unpacking a static-sensitive component from its shipping carton, do not remove
the component 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.
2. When transporting a sensitive component, first place it in an antistatic container or
packaging.
3. Handle all sensitive components in a static-safe area. If possible, use antistatic floor
pads and workbench pads and an antistatic grounding strap.
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