Environmental Requirements 13
Chapter 2: Installing the EX2500 Ethernet Switch
Preventing Electric Shock
This product does not contain any user-serviceable parts. Do not remove the cover
of this device.
This product is designed to work with single-phase power systems that have a
grounded neutral conductor. To reduce the risk of electric shock, always plug the
power cord into a grounded power outlet.
Preventing Electrostatic Discharge
Electrostatic discharge (ESD) is a discharge of stored static electricity that can
damage equipment and impair electrical circuitry. ESD can cause intermittent or
complete equipment failures.
Use the following guidelines to prevent ESD damage while you install and work
with the EX2500 switch and optional equipment:
Use anti-static wrist or ankle straps. Adjust the strap to provide good skin
contact.
Properly ground work surfaces and equipment racks for protection against
electrostatic discharge.
Avoid contact between equipment and clothing. An anti-static wrist or ankle
strap protects the equipment from ESD voltages on the body; ESD voltages on
clothing also can cause damage.
Do not touch connector pins.
WARNING: Electrical current from power, telephone, and communication cables is
hazardous. To avoid a shock hazard:
Do not connect or disconnect any cables or perform installation, maintenance,
or reconfiguration of this product during an electrical storm.
Connect all power cords to a properly wired and grounded electrical outlet.
Connect to properly wired outlets any equipment that will be attached to this
product.
When possible, use one hand only to connect or disconnect signal cables.
Never turn on any equipment when there is evidence of fire, water, or structural
damage.
Disconnect the attached power cords, telecommunications systems, networks,
and modems before you open the device covers, unless instructed otherwise in
the installation and configuration procedures.
Disconnect the power cord before installing, uninstalling, or moving this
product.
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