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Cisco Model DPC3825 and EPC3825 
8x4 DOCSIS 3.0 Wireless 
Residential Gateway User Guide 
In This Document   
 IMPORTANT SAFETY INSTRUCTIONS ............................................................... 2 
 Introduction ............................................................................................................... 12 
 What's In the Carton? ............................................................................................... 14 
 Front Panel Description ......
                    
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                        IMPORTANT SAFETY INSTRUCTIONS    IMPORTANT SAFETY INSTRUCTIONS    Notice to Installers  The servicing instructions in this notice are for use by qualified service personnel only. To reduce the  risk of electric shock, do not perform any servicing other than that contained in the operating  instructions, unless you are qualified to do so.    Notice à l’attention des installateurs de réseaux câblés  Les instructions relatives aux interventions d’entretien, fournies dans la présente notice, s’adres
                    
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                         IMPORTANT SAFETY INSTRUCTIONS      Mitteilung für CATV-Techniker  Die in dieser Mitteilung aufgeführten Wartungsanweisungen sind ausschließlich für qualifiziertes  Fachpersonal bestimmt. Um die Gefahr eines elektrischen Schlags zu reduzieren, sollten Sie keine  Wartungsarbeiten durchführen, die nicht ausdrücklich in der Bedienungsanleitung aufgeführt sind,  außer Sie sind zur Durchführung solcher Arbeiten qualifiziert.    Aviso a los instaladores de sistemas CATV  Las instrucciones de reparació
                    
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                        IMPORTANT SAFETY INSTRUCTIONS        IMPORTANT SAFETY INSTRUCTIONS  1) Read these instructions.    2) Keep these instructions.    3) Heed all warnings.    4) Follow all instructions.    5) Do not use this apparatus near water.    6) Clean only with dry cloth.    7) Do not block any ventilation openings. Install in accordance with the manufacturer's    instructions.  8) Do not install near any heat sources such as radiators, heat registers, stoves, or other    apparatus (including amplifiers) tha
                    
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                         IMPORTANT SAFETY INSTRUCTIONS        Protect the Product from Lightning  In addition to disconnecting the AC power from the wall outlet, disconnect the signal inputs.  Verify the Power Source from the On/Off Power Light  When the on/off power light is not illuminated, the apparatus may still be connected to the power  source. The light may go out when the apparatus is turned off, regardless of whether it is still plugged  into an AC power source.  Eliminate AC Mains Overloads    WARNING: Avoid 
                    
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                        IMPORTANT SAFETY INSTRUCTIONS    Check Product Safety  Upon completion of any service or repairs to this product, the service technician must perform safety  checks to determine that this product is in proper operating condition.  Protect the Product When Moving It  Always disconnect the power source when moving the apparatus or connecting or disconnecting  cables.    20090915_Modem No Battery_Safety      6  4021196 Rev B                                                                           
                    
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                         IMPORTANT SAFETY INSTRUCTIONS    United States FCC Compliance  This device 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 such interference in a residential installation. This equipment generates,  uses, and can radiate radio frequency energy. If not installed and used in accordance with the  instructions, it may cause harmful interference to radio commun
                    
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                         IMPORTANT SAFETY INSTRUCTIONS  Dynamic Frequency Selection (DFS) Dual Band Frequencies  Some configurations of this product may operate in the 5150-5250MHz and   5470-5725MHz bands. If you select a channel in these frequency ranges, the product is  restricted to indoor operation only per FCC guidance. The use of this product on the affected  frequencies when outside is in non-compliance of the FCC regulations and guidelines.  Radiation Exposure Statements  Note: This transmitter must not be co-
                    
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                         IMPORTANT SAFETY INSTRUCTIONS    CE Compliance  Declaration of Conformity with Regard to the EU Directive 1999/5/EC  (R&TTE Directive)  This declaration is only valid for configurations (combinations of software, firmware and  hardware) supported or provided by Cisco Systems for use within the EU. The use of  software or firmware not supported or provided by Cisco Systems may result in the  equipment no longer being compliant with the regulatory requirements.    4021196 Rev B  9                
                    
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                         IMPORTANT SAFETY INSTRUCTIONS  Note: The full declaration of conformity for this product can be found in the Declarations of  Conformity and Regulatory Information section of the appropriate product hardware  installation guide, which is available on Cisco.com.    The following standards were applied during the assessment of the product against the  requirements of the Directive 1999/5/EC:   Radio: EN 300 328   EMC: EN 301 489-1 and EN 301 489-17   Safety: EN 60950 and EN 50385  The CE mark 
                    
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                         IMPORTANT SAFETY INSTRUCTIONS    Latvia  The outdoor usage of the 2.4 GHz band requires an authorization from the Electronic  Communications Office. Please check http://www.esd.lv for more details.  2,4 GHz frekvenču joslas izmantošanai ārpus telpām nepieciešama atļauja no Elektronisko  sakaru direkcijas. Vairāk informācijas: http://www.esd.lv.  Note: The regulatory limits for maximum output power are specified in EIRP. The EIRP level  of a device can be calculated by adding the gain of the ant
                    
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                        Introduction    Introduction  ® Welcome to the exciting world of high-speed Internet  service. Your new Cisco  ® Model DPC3825 DOCSIS 3.0 or EPC3825 EuroDOCSIS™ Wireless Residential  Gateway is a cable modem that meets industry standards for high-speed data  connectivity. The DPC3825 and EPC3825 residential gateway delivers data and  wired (Ethernet) or wireless gateway capabilities to connect a variety of devices in  the home or small office and support high-speed data access, all in one device
                    
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                         Introduction     Color-coded interface ports and corresponding cables simplify installation and  setup   DOCSIS-5 compliant LED labeling and behavior provides a user and technician  friendly method to check operational status and act as a troubleshooting tool   Allows automatic software upgrades by your service provider    4021196 Rev B  13                                                                                                                                                          
                    
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                        What's In the Carton?    What's In the Carton?  When you receive your wireless residential gateway, you should check the  equipment and accessories to verify that each item is in the carton and that each item  is undamaged. The carton contains the following items:              One wall-mount style power adapter  One of the DOCSIS Residential  (models requiring external power  Gateway models (DPC3825 or  supply)  EPC3825)  OR    One desktop-style power adapter  (models requiring external power  s
                    
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                         Front Panel Description    Front Panel Description  The front panel of your residential gateway provides LED status indicators that  indicate how well and at what state your residential gateway is operating. See Front  Panel LED Status Indicator Functions (on page 96), for more information on front  panel LED status indicator functions.      Model DPC3825 shown here    1 POWER—ON, power is applied to the wireless residential gateway   2 DS—ON, the wireless residential gateway is receiving data 
                    
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                        Back Panel Description    Back Panel Description  The following illustrations show the description and function of the back panel  components on the Cisco DPC3825 residential gateway.    1 POWER—Connects the residential gateway to the AC power adapter that is  provided with your residential gateway  CAUTION:    Avoid damage to your equipment. Only use the power supply  that is provided with your residential gateway.  2 ON/OFF SWITCH (European models only)—Allows you to power of the  residential 
                    
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                         Back Panel Description      8 RESET—A momentary pressing (1-2 seconds) of this switch reboots the EMTA.  Pressing the switch for more than ten seconds first causes a reset-to-factory- default of all settings and then reboots the gateway  CAUTION:    The Reset button is for maintenance purposes only. Do not use  unless instructed to do so by your cable service provider. Doing  so may cause you to lose any cable modem settings you have  selected.        4021196 Rev B  17                          
                    
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                        What Are the System Requirements for Internet Service?    What Are the System Requirements for Internet Service?  To ensure that your residential gateway operates efficiently for high-speed Internet  service, verify that all of the Internet devices on your system meet or exceed the  following minimum hardware and software requirements.  Note: You will also need an active cable input line and an Internet connection.  Minimum System Requirements for a PC   A PC with a Pentium MMX 133 processor or
                    
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                         How Do I Subscribe to High-Speed Internet Service?    How Do I Subscribe to High-Speed Internet Service?  Before you can use your residential gateway, you need to have a high-speed Internet  access account. If you do not have a high-speed Internet access account, you need to  set up an account with your local service provider. Choose one of the options in this  section.  I Do Not Have a High-Speed Internet Access Account  If you do not have a high-speed Internet access account, your service pro
                    
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                        Where Is the Best Location for My DOCSIS Residential Gateway?    Where Is the Best Location for My DOCSIS Residential  Gateway?  The ideal location for your residential gateway is where it has access to outlets and  other devices. Think about the layout of your home or office, and consult with your  service provider to select the best location for your residential gateway. Read this  user guide thoroughly before you decide where to place your residential gateway.  Consider these recommendations: