■ Always use an ESD grounding strap when you are handling components that are
subject to ESD damage, and make sure that it is in direct contact with your skin.
If a grounding strap is not available, hold the component in its antistatic bag (see
Figure 54 on page 175) in one hand and touch the exposed, bare metal of the
switch with the other hand immediately before inserting the component into
the switch.
WARNING: For safety, periodically check the resistance value of the ESD strap. The
measurement must be in the range of 1 through 10 Mohms.
■ When handling any component that is subject to ESD damage and that is removed
from the chassis, make sure the equipment end of your ESD strap is attached
to the ESD point on the chassis.
If no grounding strap is available, touch the exposed, bare metal of the switch
to ground yourself before handling the component.
■ Avoid contact between the component that is subject to ESD damage and your
clothing. ESD voltages emitted from clothing can damage components.
■ When removing or installing a component that is subject to ESD damage, always
place it component-side up on an antistatic surface, in an antistatic card rack,
or in an antistatic bag (see Figure 54 on page 175). If you are returning a
component, place it in an antistatic bag before packing it.
Figure 54: Place a Component into an Antistatic Bag
CAUTION: ANSI/TIA/EIA-568 cables such as category 5e and category 6 can get
electrostatically charged. In order to dissipate this charge, always ground the cables
to a suitable and safe earth ground before connecting them to the system.
Related Topics ■ General Safety Guidelines and Warnings for EX Series Switches on page 145
■ See Rear Panel of an EX2200 Switch for the ESD point location.
■ See Rear Panel of an EX3200 Switch for the ESD point location.
Prevention of Electrostatic Discharge Damage on EX Series Switches ■ 175
Chapter 19: Power and Electrical Safety Information
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