Precautions; Safety When Working With Electricity - Patton electronics SmartNode 4520 Series Getting Started Manual

About this guide

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.

Safety when working with electricity

10
VoIPon www.voipon.co.uk
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.
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.
sales@voipon.co.uk
Model 4520 & 4110 Series Getting Started Guide
Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030