ADC ISDN NT11010 Manual De Usuario

This symbol on the product alerts the user to the presence of important 
operating and maintenance (servicing) instructions in the literature accom-
panying the product.

This equipment has been designed to the highest quality standards of materials, 
workmanship and safety. Do not bypass any of the safety features of this equipment 
or operate it in an improper environment. 

Use normal caution when installing or modifying telephone lines. Dangerous volt-
ages may be present.

■

Never install telephone wiring during a lightning storm.

■

Never install telephone jacks in wet locations unless the jack is specifically 
designed for wet locations.

■

Never touch uninsulated telephone wires or terminals unless the telephone 
line is disconnected at the network interface. Always disconnect all tele-
phone lines at the network interface, and power connections from the wall 
outlets before servicing or disassembling this equipment.

All wiring external to the product(s) should follow the provisions of the current edi-
tion of the National Electrical Code or any national wiring rules that apply.