When installing the product, please use the provided or designated connection cables/power cables/AC
adaptors. Using any other cables/adaptors could cause a malfunction or a fire. Electrical Appliance and Material
Safety Law prohibits the use of UL-certified cables (that have the “UL” shown on the code) for any other
electrical devices than products designated by CISCO. The use of cables that are certified by Electrical
Appliance and Material Safety Law (that have “PSE” shown on the code) is not limited to CISCO-designated
products. Statement 371
Warning
Read the wall-mounting instructions carefully before beginning installation. Failure to use the correct hardware
or to follow the correct procedures could result in a hazardous situation to people and damage to the system.
Statement 378
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. Statement 1021
Warning
This equipment must be grounded. 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 . Statement 1024
Warning
If the symbol of suitability with an overlaid cross appears above a port, you must not connect the port to a
public network that follows the European Union standards. Connecting the port to this type of public network
can cause severe personal injury or can damage the unit. Statement 1031
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV) requirements
in IEC 60950 based safety standards. Statement 1033
Warning
Cisco 809 Industrial Integrated Services Router Hardware Installation Guide
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