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Cisco 806 Router and SOHO 71 Router Hardware Installation Guide
78-10432-04
Chapter 2 Installation
Preparing for Installation
Warning
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits
to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits,
and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45
connectors. Use caution when connecting cables.
Warning
Do not work on the system or connect or disconnect cables during periods of
lightning activity.
Preventing Electrostatic Discharge Damage
Electrostatic discharge (ESD) is a transfer of electrostatic charge between bodies
of different electrostatic potentials, such as an operator and a piece of electrical
equipment. It occurs when electronic components are improperly handled, and it
can damage equipment and impair electrical circuitry. Electrostatic discharge is
more likely to occur in the presence of synthetic fibers and dry atmosphere.
Always use the following ESD-prevention procedures when removing and
replacing components:
Step 1 Wear an ESD-preventive wrist strap that you provide, ensuring that it makes good
skin contact.
Caution To properly guard against ESD damage and shocks, the wrist strap and cord must
operate effectively. Always follow the guidelines in the preceding section,
Warnings.”
Step 2 Do not touch any exposed contact pins or connector shells of interface ports that
do not have a cable attached.
If cables are connected at one end only, do not touch the exposed pins at the
unconnected end of the cable.
This device is intended for use in residential and commercial environments only.
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