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THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION 

 

IS SUBJECT TO THE FOLLOWING TWO CONDITIONS: (1) THIS DEVICE MAY 

 

NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST   

 

ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT 

 

MAY CAUSE UNDESIRED OPERATION. 

  

NOTE:    THE MANUFACTURER IS NOT RESPONSIBLE FOR ANY RADIO OR TV 

INTERFERENCE CAUSED BY UNAUTHORIZED MODIFICATIONS TO THIS 
EQUIPMENT.  SUCH MODIFICATIONS COULD VOID THE USER'S 
AUTHORITY TO OPERATE THE EQUIPMENT. 

  

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital 
device, pursuant to part 15 of the FCC Rules.    These limits are designed to provide reasonable 
protection against harmful interference in a residential installation.    This equipment generates, uses 
and can radiate radio frequency energy and, if not installed and used in accordance with the 
instructions, may cause harmful interference to radio communications.    However, there is no 
guarantee that interference will not occur in a particular installation.    If this equipment does cause 
harmful interference to radio or television reception, which can be determined by turning the 
equipment off and on, the user is encouraged to try to correct the interference by one or more of the 
following measures:

 

- Reorient or relocate the receiving antenna. 

- Increase the separation between the equipment and receiver. 

-Connect the equipment into an outlet on a circuit different from that to which the receiver is 
connected. 

-Consult the dealer or an experienced radio/TV technician for help 

 

Summary of Contents for EC420

Page 1: ...ng 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 you...

Page 2: ... heat source including amplifiers Do not place this product in a built in installation such as a bookcase or equipment rack unless you provide proper ventilation Do Not Use Accessories Do not use attachments unless they are recommended by TurboComm as they may cause electrical or fire hazards Use the Recommended AC Adaptor You must use the adaptor that comes with your TurboComm Cable Modem Do Not ...

Page 3: ... of any kind into this product through openings as they may touch dangerous voltage or short out parts which could result in a fire or electric shock Never spill liquid on the product Protect From Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the cable system T...

Page 4: ...a combination of high performance and interoperability among many of the cable system operators in North America Working of Cable modem Digital signals are represented by high and low electrical voltage levels And how fast these levels can switch and still be transmitted is determined by the Bandwidth of the transmission system The pair of wires used in a telephone connection have greatly limited ...

Page 5: ... guide Ethernet USB Getting Started Making sure that you ve received the following items If any item is missing or damaged contact your dealer immediately TurboComm DOCSIS Cable Modem Model EC420 Ethernet Cable 6 feet USB Cable 4 feet AC Adaptor AD 121AN This Manual Basic EC420 Network Requirements An EC420 A connection to your cable TV system A subscription to cable modem service from your cable ...

Page 6: ...tection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference t...

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