Cisco Model DPC3212 and EPC3212
VoIP Cable Modem
User Guide
In This Document
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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 ?? l???attention des installateurs de r??seaux c??bl??s
Les instructions relatives aux interventions d???entretien, fournies dans la pr??sente notice, s???adressent exclusivement au personnel technique qualifi??. Pour r??duire les risques de chocs ??lectriques, n???effectuer aucune intervention autre que celles d??crites dans le mode d'emploi et les instructions relatives au fonctionnement, ?? moins que vous ne soyez qualifi?? pour ce faire.
IMPORTANT SAFETY INSTRUCTIONS
Mitteilung f??r
Die in dieser Mitteilung aufgef??hrten Wartungsanweisungen sind ausschlie??lich f??r qualifiziertes Fachpersonal bestimmt. Um die Gefahr eines elektrischen Schlags zu reduzieren, sollten Sie keine Wartungsarbeiten durchf??hren, die nicht ausdr??cklich in der Bedienungsanleitung aufgef??hrt sind, au??er Sie sind zur Durchf??hrung solcher Arbeiten qualifiziert.
Aviso a los instaladores de sistemas CATV
Las instrucciones de reparaci??n contenidas en el presente aviso son para uso exclusivo por parte de personal de mantenimiento cualificado. Con el fin de reducir el riesgo de descarga el??ctrica, no realice ninguna otra operaci??n de reparaci??n distinta a las contenidas en las instrucciones de funcionamiento, a menos que posea la cualificaci??n necesaria para hacerlo.
20080814_Installer820_Intl
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) that produce heat.
9)Do not defeat the safety purpose of the polarized or
10)Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
11)Only use attachments/accessories specified by the manufacturer.
12)Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from
13)Unplug this apparatus during lightning storms or when unused for long periods of time.
14)Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as a
Power Source Warning
A label on this product indicates the correct power source for this product. Operate this product only from an electrical outlet with the voltage and frequency indicated on the product label. If you are uncertain of the type of power supply to your home or business, consult your service provider or your local power company.
The AC inlet on the unit must remain accessible and operable at all times.
Ground the Product
WARNING: Avoid electric shock and fire hazard! If this product connects to coaxial cable wiring, be sure the cable system is grounded (earthed). Grounding provides some protection against voltage surges and
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 electric shock and fire hazard! Do not overload AC mains, outlets, extension cords, or integral convenience receptacles. For products that require battery power or other power sources to operate them, refer to the operating instructions for those products.
Provide Ventilation and Select a Location
???Remove all packaging material before applying power to the product.
???Do not place this apparatus on a bed, sofa, rug, or similar surface.
???Do not place this apparatus on an unstable surface.
???Do not install this apparatus in an enclosure, such as a bookcase or rack, unless the installation provides proper ventilation.
???Do not place entertainment devices (such as VCRs or DVDs), lamps, books, vases with liquids, or other objects on top of this product.
???Do not block ventilation openings.
Protect from Exposure to Moisture and Foreign Objects
WARNING: Avoid electric shock and fire hazard! Do not expose this product to dripping or splashing liquids, rain, or moisture. Objects filled with liquids, such as vases, should not be placed on this apparatus.
WARNING: Avoid electric shock and fire hazard! Unplug this product before cleaning. Do not use a liquid cleaner or an aerosol cleaner. Do not use a magnetic/static cleaning device (dust remover) to clean this product.
WARNING: Avoid electric shock and fire hazard! Never push objects through the openings in this product. Foreign objects can cause electrical shorts that can result in electric shock or fire.
Service Warnings
WARNING: Avoid electric shock! Do not open the cover of this product. Opening or removing the cover may expose you to dangerous voltages. If you open the cover, your warranty will be void. This product contains no
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.
Telephone Equipment Notice
When using your telephone equipment, basic safety precautions should always be followed to reduce the risk of fire, electric stock and injury to persons, including the following:
1.Do not use this product near water, for example, near a bath tub, wash bowl, kitchen sink or laundry tub, in a wet basement or near a swimming pool.
2.Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightning.
3.Do not use the telephone to report a gas leak in the vicinity of the leak.
CAUTION: To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
SAVE THESE INSTRUCTIONS
20090326_Modem No Battery_Safety
FCC Compliance
FCC Compliance
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 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 service provider or an experienced radio/television technician for help.
Any changes or modifications not expressly approved by Cisco Systems, Inc., could void the user's authority to operate the equipment.
The information shown in the FCC Declaration of Conformity paragraph below is a requirement of the FCC and is intended to supply you with information regarding the FCC approval of this device. The phone numbers listed are for
Declaration of Conformity
Canada EMI Regulation
This Class B digital apparatus complies with Canadian
Cet appareil num??rique de la class B est conforme ?? la norme
20081121 FCC Standard
CE Compliance
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.
CE Compliance
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:
???EMC: EN 55022 and EN 55024
EN
???Safety: EN
This product conforms to the following European directives:
20090312 CE_Modem/EMTA
Introduction
Introduction
Welcome to the exciting world of
This guide provides procedures and recommendations for placing, installing, configuring, operating, and troubleshooting your DPC3212 or EPC3212 cable modem for
Benefits and Features
Your new cable modem offers the following outstanding benefits and features:
???Includes an embedded media terminal adapter (EMTA) supporting
???Provides a
???Includes
???Assures a broad range of interoperability with most service providers to deliver
???Includes two
???Allows you to attach multiple devices in your home or office to the cable modem for
Introduction
???Features Plug and Play operation for easy set up and installation
???Provides parental control and advanced firewall technology
???Uses an attractive compact design that allows for table or
???Allows automatic software upgrades by your service provider
What's In the Carton?
What's In the Carton?
When you receive your cable modem, 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 DPC3212 or EPC3212 VoIP Cable Modem
One AC power adapter with power cord
One Ethernet cable (Ethernet cable may not be provided with all products)
One
One USB cable (USB cable may not be provided with all products.)
If any of these items are missing or damaged, please contact your service provider for assistance.
Notes:
???You need a cable signal splitter and additional standard RF coaxial cables if you want to connect a VCR, a Digital Home Communications Terminal (DHCT) or a
???Cables and other equipment needed for telephone service must be purchased separately. Contact your service provider to inquire about the equipment and cables you need for telephone service.
Front Panel Description
Front Panel Description
The front panel of your cable modem provides status LEDs that indicate how well and at what state your cable modem is operating. See Front Panel LED Status Indicator Functions (on page 36) for more information on
1POWER ??? Illuminates continuously to indicate that AC power is being applied to the cable modem
2DS (Downstream) ??? Indicates continuously the status of the connection for receiving data. Illuminates during normal operation
3US (Upstream) ??? Indicates the status of the connection for sending data. Illuminates continuously during normal operation
4ONLINE ??? Illuminates continuously when the cable modem is registered on the network and fully operational. This indicator blinks to indicate one of the following conditions:
???The cable modem is booting up and not ready for data.
???The cable modem is scanning the network and attempting to register.
???The cable modem has lost registration on the network and will continue blinking until it registers again.
5LINK ??? Illuminates continuously to indicate that an Ethernet/USB carrier is present and blinks to indicate that Ethernet/USB data is being transferred between the PC and the cable modem.
6TEL 1 ??? Illuminates continuously when VoIP service is enabled. Blinks when line
1is in use
7TEL 2 ??? Illuminates continuously when VoIP service is enabled. Blinks when line
2is in use
Note: After the cable modem is successfully registered on the network, the POWER (LED 1), DS (LED 2), US (LED 3), and ONLINE (LED 4) LEDs illuminate continuously to indicate that the cable mode is active and fully operational.
Back Panel Description
Back Panel Description
The following illustration shows the description and function of the back panel components on the DPC3212 and EPC3212.
Important: Do not connect your PC to both the ETHERNET and USB ports at the same time. Your modem will not function properly if both the ETHERNET and USB ports are connected to your PC at the same time.
1 POWER ??? Connects the cable modem to the AC power supply that is provided with your cable modem
CAUTION:
Avoid damage to your equipment. Only use the AC power adapter that is provided with your cable modem.
2TEL 1/TEL 2 ???
3ETHERNET ???
4USB ??? 12 Mbps USB 1.1 port connects to the USB port on your PC
5REBOOT EMTA ??? Pressing this switch reboots the EMTA. Pressing this switch for more than three seconds resets the device to factory default values and reboots the EMTA
CAUTION:
The REBOOT EMTA button is for maintenance purposes only. Do not use unless instructed to do so by your service provider. Doing so may cause you to lose any cable modem settings you have selected.
6 CABLE ???
What Are the System Requirements for Internet Service?
What Are the System Requirements for Internet Service?
To ensure that your cable modem operates efficiently for
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 greater
???32 MB of RAM
???Web browsing software
???
Minimum System Requirements for Macintosh
???MAC OS 7.5 or later
???32 MB of RAM
System Requirements for an Ethernet Connection
???A PC with Microsoft Windows 2000 operating system (or later) with TCP/IP protocol installed, or an Apple Macintosh computer with TCP/IP protocol installed
???An active
System Requirements for a USB Connection
???A PC with Microsoft Windows 2000 operating system (or later)
???A master USB port installed in your PC
How Do I Subscribe to
How Do I Subscribe to
Before you can use your cable modem, you need to have a
I Do Not Have a
If you do not have a
You will need to give your service provider the following information:
???The serial number of the modem
???The Media Access Control (MAC) address of the modem (CM MAC)
These numbers appear on a bar code label located on the cable modem. The serial number consists of a series of alphanumeric characters preceded by S/N. The MAC address consists of a series of alphanumeric characters preceded by CM MAC. The following illustration shows a sample bar code label.
Write down these numbers in the space provided here.
Serial Number _______________________
MAC Address ________________________
I Already Have an Existing
If you have an existing
How Do I Subscribe to
I Want to Use the Cable Modem for Telephone Service
You will also need to set up a telephone account with your local service provider to use your cable modem for telephone service. When you contact your service provider, you may be able to transfer your existing telephone numbers, or your cable telephony service provider will assign a new telephone number for each current or additional active telephone line. Discuss these options with your telephony service provider.
Where Is the Best Location for My Cable Modem?
Where Is the Best Location for My Cable Modem?
The ideal location for your cable modem 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 cable modem. Read this user guide thoroughly before you decide where to place your cable modem.
Consider these recommendations:
???Position your PC and cable modem so that they are located near an AC power outlet.
???Position your PC and cable modem so that they are located near an existing cable input connection to eliminate the need for an additional cable outlet. There should be plenty of room to guide the cables away from the modem and the PC without straining or crimping them.
???Airflow around the cable modem should not be restricted.
???Choose a location that protects the cable modem from accidental disturbance or harm.
How Do I Mount the Modem on a Wall? (Optional)
How Do I Mount the Modem on a Wall? (Optional)
You can mount the cable modem on a wall using two wall anchors, two screws, and the mounting slots located on the unit. The modem can be mounted horizontally.
Before You Begin
Before you begin, choose an appropriate mounting place. The wall can be made of cement, wood, or drywall. The mounting location should be free of obstructions on all sides, and the cables should be able to easily reach the cable modem without strain. Leave sufficient clearance between the bottom of the cable modem and any flooring or shelving underneath to allow access to cabling. In addition, leave enough slack in all cables so that the cable modem can be removed for any required maintenance without disconnecting the cables. Also, verify that you have the following items:
???Two wall anchors for #8 x
???Two #8 x
???Drill with a
Note: A copy of the
How Do I Mount the Modem on a Wall? (Optional)
Mount the modem as shown in the following illustration.
How Do I Mount the Modem on a Wall? (Optional)
Location and Dimensions of the
The following illustration shows the location and dimensions of the
What Are the Requirements for Telephone Service?
What Are the Requirements for Telephone Service?
This section provides hardware and software requirements for using your cable modem for telephone service.
Number of Telephone Devices
The
The maximum number of telephone devices connected to each
The sum of the REN load on all of the telephone devices attached to each port must not exceed 5 REN.
Telephone Device Types
You can use telephone devices that are not labeled with a REN number, but the maximum number of attached telephone devices cannot be accurately calculated. With telephone devices that are not labeled, each device should be connected and the ring signal should be tested before adding more devices. If too many telephone devices are attached and the ring signal can no longer be heard, telephone devices should be removed until the ring signal works properly.
Telephones, fax machines, and other telephone devices should use the center 2 pins of the
Dialing Requirements
All your telephones should be set to use DTMF dialing. Pulse dialing is typically not enabled by your local provider.
Telephone Wiring Requirements
The cable modem supports interior telephone wiring. The maximum distance from the unit to the most distant telephone device must not exceed 1000 feet (300 meters). Use
Important: Connection to an existing or a new permanently installed home telephone wiring network must be done by a qualified installer.
How Do I Connect the Cable Modem for Internet and Telephone Service?
How Do I Connect the Cable Modem for Internet and Telephone Service?
You can use the cable modem to provide both telephone service and to provide Internet access, and you can share that Internet connection with other Internet devices in your home or office. Sharing one connection among many devices is called networking.
Connecting and Installing Internet Devices
Professional installation may be available. Contact your local service provider for further assistance.
To connect devices
The following diagram illustrates one of the various networking options that are available to you.
How Do I Connect the Cable Modem for Internet and Telephone Service?
Connecting the Cable Modem for
The following installation procedure ensures proper setup and configuration for the cable modem.
1 Choose an appropriate and safe location to install the cable modem (close to a power source, an active cable connection, your
WARNING:
???To avoid personal injury, follow the installation instructions in the exact order shown.
???To prevent possible damage to equipment, disconnect any other telephone service before connecting your cable modem to the same wires.
???Hazardous electrical voltages can exist on the telephone ports on the cable modem and can be present on any connected wiring including Ethernet wiring, telephone wiring and coax cable.
???Telephone wiring and connections must be properly insulated to prevent electrical shock.
???Telephone connections to an installed home telephone wiring network must be done by a qualified installer. The cable telephone service provider may offer professional installation and connection to the home telephone wiring network. A fee may be charged for this service.
???Wiring and connections must be properly insulated to prevent electrical shock.
???Disconnect power from the cable modem before attempting to connect to any device.
2Power off your PC and other networking device; then, unplug them from the power source.
3Connect the active RF coaxial cable from your service provider to the coax connector labeled CABLE on the back of the cable modem.
Note: To connect a TV, DHCT,
How Do I Connect the Cable Modem for Internet and Telephone Service?
4Connect your PC to the cable modem using either of the following methods.
???Ethernet Connection: Locate the yellow Ethernet cable, connect one end of the Ethernet cable to the Ethernet port on your PC, and connect the other end to the yellow ETHERNET port on the back of the cable modem.
Note: To install more Ethernet devices than ports provided on the cable modem, use an external
???USB Connection: Locate the blue USB cable, connect one end of the cable to an available USB port on your PC, and connect the other end to the blue USB port on the back of the cable modem.
Important: When using a USB connection, you need to install USB drivers on your PC. For assistance, go to Installing USB Drivers (on page 27).
Note: You can connect two separate PCs to the cable modem at the same time by connecting one PC to the ETHERNET port and one PC to the USB port. However, do not connect your PC to both the ETHERNET and USB ports at the same time.
5 Connect one end of a telephone jumper cable (not included) to a telephone outlet in your home or to a telephone or fax machine. Then connect the other end of the jumper cable to the appropriate
Notes:
???Make sure to connect your telephone service to the correct
???In North America, cable modems have
???Telephones that require electrical connectors other than
6 Locate the AC power cord provided with your cable modem. Insert one end of the power cord into the AC connector on the back of the cable modem. Then, plug the AC power cord into an AC outlet to
How Do I Connect the Cable Modem for Internet and Telephone Service?
7Plug in and power on your PC and other home network devices. The LINK LED on the cable modem corresponding to the connected devices should be on or blinking.
8Once the cable modem is online, most Internet devices will have immediate Internet access.
Note: If your PC does not have Internet access, refer to Frequently Asked Questions (on page 29) for information on how to configure your PC for TCP/IP. For Internet devices other than PCs, refer to the DHCP or IP Address configuration section of the User Guide or Operations Manual for those devices.
Installing USB Drivers
Installing USB Drivers
Your IP cable modem features multiple networking interfaces that allow you to connect consumer electronic devices to your home network. USB 1.1 is one of the technologies that enables Microsoft
Important: Due to the inherent speed limitations of the technology, USB 1.1 is not the optimal interface for
This section contains instructions for installing USB drivers if your PC is equipped with a USB interface and a Microsoft Windows 2000, XP, or Vista operating system. The USB driver installation procedures are different for each operating system. Follow the appropriate instructions in this section for your operating system.
Note: If you are not using the USB interface, skip this section.
Installing USB Drivers on Windows 2000 Systems
1Insert the USB Cable Modem Driver Installation Disk into the
2Make sure the power is connected to your cable modem and that the POWER LED status indicator on the front panel of the cable modem illuminates solid.
3Connect the USB cable to your computer's USB port. Then, connect the other end of the USB cable to the USB port on the cable modem.
4Click Next in the Found New Hardware Wizard window.
5Select Search for a suitable driver for my device (recommended) in the Found New Hardware Wizard window, and then click Next.
6Select
7Click Next in the Found New Hardware Wizard window. The system searches for the driver file for your hardware device.
8After the system finds the USB driver, the Digital Signature Not Found window opens and displays a confirmation message to continue the installation.
9Click Yes to continue the installation. The Found New Hardware Wizard window reopens with a message that the installation is complete.
10Click Finish to close the Found New Hardware Wizard window. The USB drivers are installed on your PC, and your USB devices are ready for use.
11Try to access the Internet. If you cannot access the Internet, go to Having Difficulty? (on page 34). If you still cannot access the Internet, contact your service provider for further assistance.
Installing USB Drivers
Installing USB Drivers on Windows XP Systems
1Insert the USB Cable Modem Driver Installation Disk into the
2Wait until the POWER and ONLINE LED status indicators on the front panel of the cable modem illuminate solid.
3Select Install from a list or specific location (Advanced) in the Found New Hardware Wizard window, and then click Next.
4Select Search removable media (floppy,
5Click Continue Anyway in the Hardware Installation window to continue the installation. The Found New Hardware Wizard window reopens with a message that the installation has finished.
6Click Finish to close the Found New Hardware Wizard window. The USB drivers are installed on your PC, and your USB devices are ready for use.
7Try to access the Internet. If you cannot access the Internet, go to Having Difficulty? (on page 34). If you still cannot access the Internet, contact your service provider for further assistance.
Installing USB Drivers on Windows Vista Systems
1Insert the USB Cable Modem Driver Installation Disk into the
2Wait until the POWER and ONLINE LED status indicators on the front panel of the cable modem illuminate solid.
3Follow the onscreen instructions to complete the installation.
4Try to access the Internet. If you cannot access the Internet, go to Having Difficulty? (on page 34). If you still cannot access the Internet, contact your service provider for further assistance.
Frequently Asked Questions
Frequently Asked Questions
Q.What if I don't subscribe to telephone service from my cable operator, can I still use the cable modem to make and receive phone calls?
A.No. Telephone service is enabled for each telephone port on the cable modem by the cable telephony service provider. Contact your cable telephony service provider to get telephone service through the cable modem.
Q.How do I arrange for cable telephony installation?
A.Professional installation from your cable telephony service provider may be provided. A professional installer can connect the telephone service to your existing telephone wiring in your home or install new wiring if needed. Professional installation also ensures proper cable connection to the modem and to your PC, and ensures proper configuration of all hardware and software settings. Contact your cable telephony service provider for more information about installation.
Q.How does the cable modem connect to my computer?
A.The cable modem connects to the USB port or to the Ethernet port on your PC. If you want to use an Ethernet interface, Ethernet cards available from your local PC or office supply retailer, or from your service provider.
Q.After my cable modem is connected, how do I access the Internet?
A.Your local service provider becomes your Internet Service Provider (ISP). They offer a wide range of services including
Q.Can I watch TV and surf the Internet at the same time?
A.Absolutely! If you subscribe to cable television service, you can watch TV and use your cable modem at the same time by connecting your TV and your cable modem to the cable network using an optional cable signal splitter.
Q.Can I surf the Internet and make telephone calls at the same time?
A.Absolutely! Telephone service is provided separately from Internet data services. Internet surfing and other data services do not affect the quality of your telephone calls. If these services are enabled by your cable service provider, you can make telephone calls and surf the net at the same time.
Q.Can I use my existing phone number with the cable modem?
A.Telephone numbers are portable in some areas. Contact your telephone service provider for more information about using an existing telephone number.
Frequently Asked Questions
Q.Do I automatically receive
A.Your cable modem may be used to provide telephone service,
Q.How many telephones can I connect?
A.The
Q.Can I run more than one device on the modem?
A.Yes. A single cable modem will theoretically support up to 253 Ethernet devices utilizing
Q.How do I renew the IP address on my PC?
A.If your PC cannot access the Internet after the cable modem is online, it is possible that your PC did not renew its IP address. Follow the appropriate instructions in this section for your operating system to renew the IP address on your PC.
Renewing the IP Address on Windows 2000 or XP Systems
1Click Start, and then click Run. The Run window opens.
2Type cmd in the Open field and click OK. A window with a command prompt opens.
3Type ipconfig/release at the C:/ prompt and press Enter. The system releases the IP address.
4Type ipconfig/renew at the C:/ prompt and press Enter. The system displays a new IP address.
5Click the X in the
Note: If you cannot access the Internet, contact your service provider for further assistance.
Frequently Asked Questions
Renewing the IP Address on Macintosh Systems
1Close all open programs.
2Open your Preferences folder.
3Drag the tcp/ip preferences file to the Trash.
4Close all open windows and empty the Trash.
5Restart your computer.
6As your computer starts, simultaneously press and hold down the Command (Apple), Option, P, and R keys on your keyboard. Keeping those keys pressed down, power on your Macintosh but do not release these keys until you hear the Apple chime at least three times; then, release the keys and let the computer restart.
7When your computer fully reboots, click the Apple icon in the
8Click Edit on the Finder at the top of the screen. Scroll down to the bottom of the menu, and then click User Mode.
9Click Advanced in the User Mode window, and then click OK.
10Click the Up/Down selector arrows located to the right of the Connect Via section of the TCP/IP window, and then click Using DHCP Server.
11Click Options in the TCP/IP window, and then click Active in the TCP/IP Options window.
Note: In some cases, the Load only when needed option does not appear. If it appears, select the option. A check mark appears in the option.
12Verify that the Use 802.3 option located in the
13Is there a Hardware Address listed in this window?
???If yes, click OK. To close the TCP/IP Control Panel window, click File, and then scroll down to click Close.
???If no, repeat these instructions from step 6.
14Reboot your computer.
Q.How do I configure my PC for TCP/IP?
A.If your PC cannot access the Internet after the cable modem is online, it is possible that your PC did has not been configured for TCP/IP. Follow the appropriate instructions in this section for your operating system to configure your PC for TCP/IP.
Frequently Asked Questions
Configuring TCP/IP on Windows XP Systems
1Click Start, and depending on your Start menu setup, choose one of the following options:
???If you are using the Windows XP Default Start Menu, select Connect to, choose Show all connections, and then go to step 2.
???If you are using the Windows XP Classic Start Menu, select Settings, choose
Network Connections.
2When the Network Connections window opens, right click on Local Area Connection, left click on Properties from the menu to open the Properties dialogue box.
3Locate a white box titled "This connection uses the following items:". Use the down arrow on the right side of the box to scroll down until you see Internet Protocol (TCP/IP). Select Internet Protocol (TCP/IP), then click the Properties button below the white box on the right hand side.
4Select both Obtain an IP address automatically and Obtain DNS server address automatically in the Internet Protocol (TCP/IP) Properties window, and then click OK.
5Click OK at the bottom of the properties box to close the box. At this point, your PC will automatically request and receive an IP address from that gateway. Once the address is received your PC will have Internet access.
6In the event your PC does not automatically request an IP address after completing the above steps, it is recommended that you select Windows Start button, then shutdown and restart Windows.
7If you cannot access the Internet, go to Having Difficulty? (on page 34). If you still cannot access the Internet, contact your service provider for further assistance.
Configuring TCP/IP on Windows 2000 Systems
1Click Start, select Settings, and choose Network and
2
3Click Properties in the Local Area Connection Status window.
4Click Internet Protocol (TCP/IP) in the Local Area Connection Properties window, and then click Properties.
5Select both Obtain an IP address automatically and Obtain DNS server address automatically in the Internet Protocol (TCP/IP) Properties window, and then click OK.
Frequently Asked Questions
6Click Yes to restart your computer when the Local Network window opens. The computer restarts. The TCP/IP protocol is now configured on your PC, and your Ethernet devices are ready for use.
7Try to access the Internet. If you cannot access the Internet, go to Having Difficulty? (on page 34). If you still cannot access the Internet, contact your service provider for further assistance.
Configuring TCP/IP on Macintosh Systems
1Click the Apple icon in the
Control Panels, and then click TCP/IP.
2Click Edit on the Finder at the top of the screen. Scroll down to the bottom of the menu, and then click User Mode.
3Click Advanced in the User Mode window, and then click OK.
4Click the Up/Down selector arrows located to the right of the Connect Via section of the TCP/IP window, and then click Using DHCP Server.
5Click Options in the TCP/IP window, and then click Active in the TCP/IP Options window.
Note: Make sure that the Load only when needed option is unchecked.
6Verify that the Use 802.3 option located in the
7Is there a Hardware Address listed in this window?
???If yes, click OK. To close the TCP/IP Control Panel window, click File, and then scroll down to click Close. You have completed this procedure.
???If no, you must power off your Macintosh.
8With the power off, simultaneously press and hold down the Command (Apple), Option, P, and R keys on your keyboard. Keeping those keys pressed down, power on your Macintosh but do not release these keys until you hear the Apple chime at least three times, then release the keys and let the computer restart.
9When your computer fully reboots, repeat steps 1 through 7 to verify that all TCP/IP settings are correct. If your computer still does not have a Hardware Address, contact your authorized Apple dealer or Apple technical support center for further assistance.
Having Difficulty?
Having Difficulty?
Common Troubleshooting Issues
I don't understand the front panel status indicators
See Front Panel LED Status Indicator Functions (on page 36), for more detailed information on front panel LED status indicator operation and function.
The modem does not register an Ethernet connection
???Verify that your computer has an Ethernet card and that the Ethernet driver software is properly installed. If you purchase and install an Ethernet card, follow the installation instructions very carefully.
???Verify the status of the front panel LED status indicators.
The modem does not register an Ethernet connection after connecting to a hub
If you are connecting multiple PCs to the cable modem, you should first connect the modem to the uplink port of the hub. The LINK LED of the hub will illuminate continuously.
The modem does not register a cable connection
The modem works with a standard
There is no dial tone when I lift the telephone handset
???Your telephone wiring may be connected to the wrong
???There may be a problem with your telephone set. Use a different telephone set and listen to hear dial tone.
???There may be a problem with your home telephone wiring. Use a telephone and connect directly to the same
???Verify that the phone company has removed the previous telephone service from your home telephone wiring.
Your telephone service may not be enabled from your cable telephony service provider. Contact your cable telephony service provider for more information.
Tips for Improved Performance
Tips for Improved Performance
Check and Correct
If your cable modem does not perform as expected, the following tips may help. If you need further assistance, contact your service provider.
???Verify that the plug to your cable modem AC cord is properly inserted into an electrical outlet.
???Verify that your cable modem AC power cord is not plugged into an electrical outlet that is controlled by a wall switch. If a wall switch controls the electrical outlet, make sure the switch is in the ON position.
???Verify that the POWER, DS, US and ONLINE LED status indicators on the front panel of your cable modem are illuminated.
???Verify that your cable service is active and that it supports
???Verify that all cables are properly connected, and that you are using the correct cables.
???Verify that your TCP/IP is properly installed and configured if you are using the Ethernet connection.
???Verify that you have followed the procedures in Installing USB Drivers (on page 27), if you are using the USB connection.
???Verify that you have called your service provider and given them the serial number and MAC address of your cable modem.
???If you are using a cable signal splitter so that you can connect the cable modem to other devices, remove the splitter and reconnect the cables so that the cable modem is connected directly to the cable input. If the cable modem now functions properly, the cable signal splitter may be defective and may need to be replaced.
???For best performance over an Ethernet connection, your PC should be equipped with a
Front Panel LED Status Indicator Functions
Front Panel LED Status Indicator Functions
Initial Power Up, Calibration, and Registration (AC Power applied)
The following chart illustrates the sequence of steps and the corresponding appearance of the cable modem front panel LED status indicators during power up, calibration, and registration on the network when AC power is applied to the cable modem. Use this chart to troubleshoot the power up, calibration, and registration process of your cable modem.
Note: After the cable modem completes Step 7 (Registration Completed), the modem proceeds immediately to Normal Operations. See Normal Operations (AC Power Applied) (on page 37).
Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration
* The ONLINE LED illuminates continuously whenever a PC is connected to the modem, and it blinks to indicate that data is being transferred. If the modem is used to provide telephone service only and is not connected to a PC, the ONLINE LED is off.
Front Panel LED Status Indicator Functions
Normal Operations (AC Power Applied)
The following chart illustrates the appearance of the LED status indicators on the front panel of the cable modem during normal operations when AC power is applied to the modem.
Front Panel LED Status Indicators During Normal Operations
*With both Ethernet and USB devices connected to the modem at the same time, when data is being transferred through only one of the devices (Ethernet or USB), the indicator will illuminate continuously. Whenever data is being sent through both data ports (ETHERNET and USB) simultaneously, the indicator will blink as described.
Notices
Notices
Trademarks
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks.
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Other third party trademarks mentioned are the property of their respective owners.
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Notices
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