General Safety - Nortel Remote Office 9150 Installation And Administration Manual

Installing the Remote Office 9150 unit

General safety

Introduction
This section describes the general safety guidelines recommended by Nortel
Networks. You must follow these safety guidelines whenever you perform
installation or maintenance tasks on the Remote Office 9150 unit.
Precautionary messages
This guide provides warnings when risks related to hardware installation and
handling are known. For a description of the types of warnings this guide
provides, see "Conventions used in this guide" on page xxii. Do not ignore these
warnings.
Safety precautions
To avoid damage or injury, follow these safety precautions at all times.
Plug the Remote Office 9150 unit into a properly grounded power source to
reduce the possibility of electric shock and damage to the unit or network.
.
Ensure that nothing rests on connection cables, and that cables cannot be tripped
over or stepped on.
108
DANGER
Risk of electric shock
Disconnect the power as well as the Telco 1 and Telco 2
cables before you perform any hardware troubleshooting or
add ISDN BRI or DSP application modules to the Remote
Office 9150 unit.
If you do not disconnect the Telco 1 and Telco 2 cables from
the Remote Office 9150 unit, you can receive a lethal shock
if an external telco line is accidentally severed.
Standard 1.0
Remote Office 9150