EC420 User’s
Manual
Introduction
Important Rules for safe Operation
In addition to the careful attention devoted to quality standards in the manufacture of your
TurboComm DOCSIS Cable modem, safety is a major factor in the design of every product.
However, safety is your responsibility, too.
This section lists important information that will help assure your enjoyment and proper use of the
TurboComm Cable Modem and accessory equipment. Please read them carefully before operating
and using your modem.
Installation
Read and Follow Instructions
You should read all the safety and operating instructions before operating the modem. Follow all
operating instructions.
Retain Instructions
You should save all the safety and operating instructions, for your future reference.
Heed Warnings
Comply with all warnings on the products and in the operating instructions.
Check Power Sources
Operate this product only from the type of power source indicated on the product’s marking label. If
you are not sure of the type of power supplied to your home, consult your dealer or local power
company.
Be Careful of Overloading
Do not overload wall outlets or extension cords, as this can result in a risk of fire or electric shock.
Overloaded AC outlets, extension cords, frayed power cords, damaged or cracked wire insulation,
and broken plugs are dangerous. They may result in a shock or fire hazard, Periodically examine the
cord, and if its appearance indicated damage or deteriorated insulation, have it replaced by your
