About this guide | Model 4520 & 4110 Series Getting Started Guide |
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Precautions
Notes and cautions, which have the following meanings, are used throughout this guide to help you become aware of potential Router problems. Warnings relate to personal injury issues, and Cautions refer to potential property damage.
Note Calls attention to important information.
The shock hazard symbol and WARNING heading indicate a potential electric shock hazard. Strictly follow the warning instructions to avoid injury caused by electric shock.
The alert symbol and WARNING heading indicate a potential safety hazard.
Strictly follow the warning instructions to avoid personal injury.
The shock hazard symbol and CAUTION heading indicate a potential electric shock hazard. Strictly follow the instructions to avoid property damage caused by electric shock.
The alert symbol and CAUTION heading indicate a potential haz- ard. Strictly follow the instructions to avoid property damage.
Safety when working with electricity
Mains Voltage: Do not open the case when the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected.
Hazardous network voltages are present in WAN ports regardless of whether power to the SmartNode is ON or OFF. To avoid electric shock, use caution when near WAN ports. When detaching cables, detach the end away from the SmartNode first.
Do not work on the system or connect or disconnect cables during periods of lightning activity.
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