Nortel Networks 9150 - Manual (Page 117)

Remote Gateway 9150 Installation and Administration Guide 87
January 2005 Installing the Remote Gateway 9150 unit
Safety precautions
To avoid damage or injury, follow these safety precautions at all times.
Plug the Remote Gateway 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.
.
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
Gateway 9150 unit.
If you do not disconnect the Telco 1 and Telco 2 cables from
the Remote Gateway 9150 unit, you can receive a lethal
shock if an external telco line is accidentally severed.