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Cisco 827 and SOHO 77 Routers Hardware Installation Guide
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Chapter 2 Installation
Preparing for Installation
Preparing for Installation
This section provides information on safety, mounting the router, and unpacking the contents of the
router box.
Safety
This section provides safety warnings and electrostatic and router damage information for the Cisco 827
routers and SOHO 77 routers.
Warnings
Before installing the router, read the following warnings:
Warning
Only trained and qualified personnel should be allowed to install or replace this equipment.
Warning
Read the installation instructions before you connect the system to its power source.
Warning
Before working on a system that has a standby/off switch, turn the power to standby and unplug the
power cord.
Warning
Before working on equipment that is connected to power lines, remove jewelry (including rings,
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals.
Warning
Toavoid electricshock, donotconnect safetyextra-low voltage(SELV) circuitsto 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
Ultimate disposal of this product should be handled according to all national laws and regulations.
Warning
If thesymbol of suitabilitywith an overlaidcross ( ) appearsabove a port,you must notconnect the
port to a public network that follows the European Union standards. Connecting the port to this type
of public network can cause severe injury or damage your router.