10
Smart-DTA Getting Started Guide
About this guide
Precautions
Notes, cautions, and warnings, which have the following meanings, are used throughout this guide to help you
become aware of potential problems.
Warnings
are intended to prevent safety hazards that could result in per-
sonal injury.
Cautions
are intended to prevent situations that could result in property damage or
impaired functioning.
Note
A note presents additional information or interesting sidelights.
Safety when working with electricity
The alert symbol and IMPORTANT heading calls attention to
important information.
The alert symbol and CAUTION heading indicate a potential haz-
ard. Strictly follow the instructions to avoid property damage.
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 WARNING heading indicate a potential safety hazard.
Strictly follow the warning instructions to avoid personal injury.
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.
Mains Voltage: Do not open the case when the power cord is attached. The
external power adapter shall be a listed limited power source that incorpo-
rates a disconnect device and shall be positioned within easy reach of the
operator. The mains outlet shall be within 10 feet (3 meters) of the device,
shall be easily accessible, and protected by a circuit breaker.
Hazardous network voltages are present in WAN ports regardless of whether
power to the Smart-DTA is ON or OFF. To avoid electric shock, use caution
when near WAN ports. When detaching cables, detach the end away from the
Smart-DTA first.
