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NiceMiss 2:32am on Wednesday, July 28th, 2010 
Comcast did a remote software "upgrade" a few weeks ago, and the program guide is now seriously broken.

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Documents

doc0

October 2006

DPC2203 and EPC2203 VOIP Cable Modem User's Guide

In This Document

IMPORTANT SAFETY INFORMATION...2 FCC Compliance....7 What's In the Carton?....10 Front Panel Description...12 Back Panel Description...14 Where Is the Best Location for My Cable Modem?...16 What Are the System Requirements for Internet Service?..17 How Do I Set Up My High-Speed Internet Access Account?..18 How Do I Connect My Devices to Use the Internet?..19 How Do I Configure TCP/IP Protocol?...21 How Do I Install USB Drivers?...24 What Are the Requirements for Ethernet Network Devices?..26 How Do I Select and Place Ethernet Network Devices?..27 How Do I Connect Ethernet Network Devices?...28 What Are the Requirements for USB Network Devices?.30 How Do I Select and Place USB Network Devices?..31 How Do I Connect USB Network Devices?...32 How Do I Troubleshoot My Internet Service Installation?..34 How Do I Use My Modem for Telephone Service?..36 Where Do I Place My Modem for Telephone Service?..37 What Are the Requirements for Telephone Service?..38 How Do I Install the Modem for Telephone Service?..39 Telephone Service Frequently Asked Questions..42 Having Difficulty?....44 Tips for Improved Performance....46 How Do I Maintain the Battery (Optional Model Only)..47 How Do I Mount the Modem on a Wall? (Optional)..50 Front Panel LED Status Indicator Functions..53 Notices....55
IMPORTANT SAFETY INFORMATION

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.

20060608SICM-EN

Heed All Warnings
Adhere to all warnings on the product and in the operating instructions.
Read, Retain, and Follow These Instructions
Carefully read all safety and operating instructions before operating this product. Follow all operating instructions that accompany this product. Retain the instructions for future use. Give particular attention to all safety precautions.

Comply with Warnings

Avoid electric shock. Comply with all warnings and cautions in the operating instructions, as well as those that are affixed to this product.

4012160 Rev B

Power Warnings

Providing a Power Source

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.
Grounding This Product (U.S.A. and Canada Only)
WARNING: Avoid electric shock and fire hazard! Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. If this product is equipped with either a three-prong (grounding pin) safety plug or a twoprong (polarized) safety plug, do not defeat the safety purpose of the polarized or grounding-type plug. Follow these safety guidelines to properly ground this product: For a 3-prong plug (consists of two blades and a third grounding prong), insert the plug into a grounded mains, 3-prong outlet. Note: This plug fits only one way. The grounding prong is provided for your safety. If you are unable to insert this plug fully into the outlet, contact your electrician to replace your obsolete outlet. For a 2-prong plug (consists of one wide blade and one narrow blade), insert the plug into a polarized mains, 2-prong outlet in which one socket is wider than the other. Note: If you are unable to insert this plug fully into the outlet, try reversing the plug. The wide blade is provided for your safety. If the plug still fails to fit, contact an electrician to replace your obsolete outlet.

Overloading

WARNING: Avoid electric shock and fire hazard! Do not overload mains AC outlets and extension cords. For products that require battery power or other power sources to operate them, refer to the operating instructions for those products. Do not overload electrical outlets, extension cords, or integral convenience receptacles as this can result in a risk of fire or electric shock. For products that require battery power or other sources to operate, refer to the operating instructions for that product.
Preventing Power Cord Damage
Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. Arrange all power cords so that pets cannot walk on or disturb the cords. Do not place objects on or lean objects against the cords, which can damage the cords.
Handling Replaceable Battery Pack
This product contains replaceable battery pack. Heed the following warning and see the instructions later in this guide for handling, replacing, and disposing of the battery. WARNING: There is danger of explosion if the battery is mishandled or incorrectly replaced. Replace only with the same type of battery. Do not disassemble it or attempt to recharge it outside the system. Do not crush, puncture, dispose of in fire, short the external contacts, or expose to water or other liquids. Dispose of the battery in accordance with local regulations and instructions from your service provider.

Usage Warnings

Providing Ventilation
Do not block any ventilation openings. Install in accordance with the manufacturer's instructions. Do not place this apparatus on a bed, sofa, rug, or similar surface. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 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 use this apparatus near water.
Selecting a Proper Location
WARNING: Avoid personal injury and damage to this product! An unstable surface may cause this product to fall. Place this product on a stable surface. The surface must support the size and weight of this product. Any mounting accessory used must be recommended by the manufacturer. The product should be mounted to a wall or ceiling only as recommended by the manufacturer. Important! The power cord is the mains power supply disconnect device. Place this product in a location that is close enough to an electrical outlet and where the power cord is easily accessible to be disconnected from the wall outlet or from the rear panel of the product.

Cleaning This Product

WARNING: Avoid electric shock! Unplug this product before cleaning. Clean only with a dry cloth. Before cleaning this product, unplug it from the electrical outlet. Clean this product only with a dry cloth. Do not use a liquid cleaner or an aerosol cleaner. Do not use a magnetic/static cleaning device (dust remover) to clean this product.
Protecting This Product from Foreign Objects and Water or Moisture Damage
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. Do not expose this product to rain or moisture. Do not place objects filled with liquid, such as vases, on this product. Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock. Do not expose this product to liquids or moisture. Do not place this product on a wet surface. Do not spill liquids on or near this product. Do not use this product near water (such as a bathtub, washbowl, sink, or laundry tub), in a wet basement, or near a swimming pool.

Accessories Warnings

WARNING: Avoid any potential for electric shock or fire. Only use attachments/accessories specified by the manufacturer. Do not use accessories or attachments with this product unless recommended by your service provider or manufacturer.

Service Warnings

Servicing This Product
WARNING: Avoid electric shock! Opening or removing the cover may expose you to dangerous voltages. This product contains no user-serviceable parts. Refer all servicing to qualified service personnel. Do not open the cover of this product. If you open the cover, your warranty will be void. Refer all servicing to qualified personnel only. Contact your service provider for instructions.
Obtaining Service for Product Damage
For damage that requires service, unplug this product from the AC outlet. Refer all servicing to your service provider or qualified service personnel. Servicing is required when: The apparatus has been damaged in any way A power-supply cord or plug is damaged Liquid has been spilled or objects have fallen into the apparatus The apparatus has been exposed to rain or moisture The apparatus does not operate normally The apparatus has been dropped

Checking 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.

Lightning

For added protection, unplug this apparatus during lightning storms or when unused for long periods of time. In addition to disconnecting the AC power from the wall outlet, disconnect the signal inputs. This may prevent damage to the apparatus due to lightning and power-line surges. Plugging this apparatus into a surge protector may reduce the risk of damage.

Benefits and Features

Your new cable modem offers the following outstanding benefits and features: Includes an embedded media terminal adapter (EMTA) supporting two-line voice services Provides a high-speed broadband Internet connection that energizes your online experience, which makes downloading and sharing files and photos with your family and friends hassle free Includes 10/100BaseT Ethernet and USB ports to provide connectivity for highspeed data services or to other Internet devices Assures a broad range of interoperability with most service providers by complying with Data Over Cable System Interface Specifications (DOCSIS) 1.0, 1.1, and 2.0 standards along with PacketCable 1.0 specifications to deliver high-end performance and reliability Includes two RJ-11 telephony ports for connecting conventional telephones or fax machines Allows you to attach multiple devices in your home or office to the cable modem for high-speed networking and sharing of files and folders without first copying them onto a CD or diskette 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 vertical, horizontal, or wallmount placement Allows automatic software upgrades by your service provider Includes one or two optional internal Lithium-Ion cartridge-style batteries for convenient and long-lasting backup power

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 DPC2203 or EPC2203 VoIP Cable Modem

Optional battery model

One AC power adapter with power cord
One Ethernet cable (CAT5/RJ-45)

One USB cable

One CD-ROM containing the user's guide and the USB drivers
One or two Lithium Ion cartridge batteries (not provided with all models) 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 set-top converter, or a TV to the same cable connection as your wireless home gateway. 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

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 53) for more information on front-panel LED status indicator functions.

Standard model

Battery backup model
POWER Illuminates solid green to indicate that AC power is being applied to the cable modem. AC power must be available to recharge the optional battery. DS (Downstream) Indicates the status of the connection for receiving data. Illuminates during normal operation US (Upstream) Indicates the status of the connection for sending data. Illuminates during normal operation ONLINE Illuminates solid green 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
LINK Illuminates solid green 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 TEL 1 Illuminates solid green when telephony service is enabled. Blinks when line 1 is in use TEL 2 Illuminates solid green when telephony service is enabled. Blinks when line 2 is in use BATTERY (optional models only) Illuminates solid green to indicate that the battery is charged. Blinks to indicate that the battery charge is low. Off when operating from battery power or when the battery charge is depleted or the battery is defective
Notes: 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 LEDs may behave differently when the cable modem is running on battery power (without AC power-optional model only). Most LEDs are disabled if the unit is operating on battery power. In this mode, the POWER LED blinks to indicate that the unit is operating under battery power but AC power has failed

Back Panel Description

The following illustration shows the description and function of the back panel components on the DPC2203 and EPC2203.
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.
TEL 1/TEL 2 RJ-11 telephone ports connect to home telephone wiring to conventional telephones or fax machines ETHERNET RJ-45 Ethernet port connects to the 10/100baseT Ethernet port on your PC or your home network USB 12 Mbps USB 1.1 port connects to the USB port on your PC
REBOOT 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

Write down these numbers in the space provided here. Serial Number _______________________ MAC Address ________________________
I Already Have an Existing High-Speed Internet Access Account
If you have an existing high-speed Internet access account, you must give your service provider the serial number and the MAC address of the cable modem. Refer to the serial number and MAC address information listed previously in this section. Note: You may not be able to continue to use your existing e-mail account with your cable modem. Contact your service provider for more information.
How Do I Connect My Devices to Use the Internet?
You can use your cable modem to access the Internet, 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
You must connect and install your cable modem to access the Internet. 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.
Connecting the Modem for High-Speed Data Service
WARNING: To avoid personal injury or damage to your equipment, follow these steps in the exact order shown.
Power off your PC and unplug it from the power source. Connect your PC to either the ETHERNET port or the USB port using the appropriate data cable. Do not connect your PC to both the Ethernet and USB ports at the same time. 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. Connect the active RF coaxial cable to the CABLE connector. Use an optional cable signal splitter to add a TV, a DHCT or set-top converter, or a VCR. Insert the AC power cord into the POWER connector on the back of the cable modem, and then plug the cord into an AC power source. Plug in and power on your networked devices including your PC. The cable modem will then begin an automatic search to locate and sign on to the broadband data network. This process may take up to 5 minutes. The modem will be ready for use when the ONLINE LED status indicator on the front panel stops blinking and illuminates continuously. The next step in setting up your cable modem is to configure your Internet devices for Internet access. Choose one of the following options: If you want to use Ethernet connections, you must configure the TCP/IP protocol. To configure the TCP/IP protocol, go to How Do I Configure TCP/IP Protocol? (on page 21). If you want to use USB connections, you must install the USB drivers. To install the USB Drivers for USB, go to How Do I Install USB Drivers? (on page 24).

How Do I Install USB Drivers?
To install USB drivers, your PC must be equipped with a USB network interface and a Microsoft Windows 98SE, ME, 2000, or XP operating system. This section contains instructions for installing the USB drivers for the cable modem. Note: If you are not using the USB interface, skip this section.

Installing USB Drivers

The USB driver installation procedures are different for each operating system. Follow the appropriate instructions in this section for your operating system. Installing USB Drivers on Windows 98SE and Windows ME Systems 1 Insert the USB Cable Modem Driver Installation Disk into the CD-ROM drive of your PC. 2 Wait until the POWER and ONLINE LED status indicators on the front panel of the cable modem illuminate solid green. The Add New Hardware Wizard window opens. Click Next in the Add New Hardware Wizard window. Select Search for the best driver for your device (Recommended) in the Add New Hardware Wizard window, and then click Next. Select CD-ROM drive in the Add New Hardware Wizard window, and then click Next. Select The updated driver (Recommended) in the Add New Hardware Wizard window, and then click Next. Click Next in the Add New Hardware Wizard window. The Copying Files window opens. After 10 to 20 seconds have passed, the Add New Hardware Wizard window reopens. Click Finish. The USB driver installation is complete.
Installing USB Drivers on Windows 2000 Systems 1 Insert the USB Cable Modem Driver Installation Disk into the CD-ROM drive of your PC. Wait until the POWER and ONLINE LED status indicators on the front panel of the cable modem illuminate solid green. Click Next in the Found New Hardware Wizard window. Select Search for a suitable driver for my device (recommended) in the Found New Hardware Wizard window, and then click Next. Select CD-ROM drives in the Found New Hardware Wizard window, and then click Next. Click Next in the Found New Hardware Wizard window. The system searches for the driver file for your hardware device. After the system finds the USB driver, the Digital Signature Not Found window opens and displays a confirmation message to continue the installation. Click Yes to continue the installation. The Found New Hardware Wizard window reopens with a message that the installation is complete. Click 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.
10 Try to access the Internet. If you cannot access the Internet, go to Having Difficulty? (on page 44). If you still cannot access the Internet, contact your service provider for further assistance. Installing USB Drivers on Windows XP Systems 1 Insert the USB Cable Modem Driver Installation Disk into the CD-ROM drive of your PC. Wait until the POWER and ONLINE LED status indicators on the front panel of the cable modem illuminate solid green. Select Install from a list or specific location (Advanced) in the Found New Hardware Wizard window, and then click Next. Select Search removable media (floppy, CD-ROM) in the Found New Hardware Wizard window, and then click Next. Click 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. Click 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. Try to access the Internet. If you cannot access the Internet, go to Having Difficulty? (on page 44). If you still cannot access the Internet, contact your service provider for further assistance.

What Are the Requirements for USB Network Devices?
How Many USB Devices Can I Connect?
You can connect one PC or other USB device to the USB port on the EMTA.
What Are the Wiring Requirements?
Scientific Atlanta recommends that you use the USB 1.1 cable provided with your modem.
Do I Need to Install USB Drivers on My Computer?
To use USB network devices, you must have the correct USB drivers installed on your PC. Refer to How Do I Install USB Drivers? (on page 24), for information on installing USB drivers.
How Do I Select and Place USB Network Devices?
You can use a large variety of USB network devices with your cable modem. These include desktop computers, laptop computers, devices with USB ports, and USB adapters. Contact your service provider or consult the documentation for your USB network devices for more information on selecting USB network devices.
Where Is the Best Location for My USB Network Devices?
You should work with your service provider to choose the best location for your USB network devices. Consider these recommendations: Location of two-way coaxial cable outlets Distance of the USB network devices from the cable modem Location of computers and other equipment from AC power outlets Ease of running USB cable to the USB network devices Now that you have selected a location for your USB network devices, the next step is to place and connect your USB network devices. Go to How Do I Connect USB Network Devices? (on page 32).
How Do I Connect USB Network Devices?

Connecting USB Devices

You must connect your USB devices for use with your cable modem. Professional installation may be available. Contact your local service provider for further assistance. The following diagram illustrates one of the various USB network connection options that are available to you.
WARNING: Hazardous electrical voltages can be present on any connected wiring. USB wiring and connections must be properly insulated to prevent electrical shock. Disconnect power from the cable modem before attempting to connect to any device. To avoid personal injury, follow these steps in the exact order shown. CAUTION: To prevent possible damage to the equipment, disconnect any other service before connecting your cable modem to other devices.
Read the warnings and caution on this page. Then, follow the subsequent installation procedures to ensure proper cable modem operation when connecting USB network devices.
Note: Verify that you have installed the USB drivers on your PC before continuing with these instructions. See How Do I Install USB Drivers? (on page 24), for more information on installing the USB drivers. 3 Select locations for USB network devices. For more information, see How Do I Select and Place USB Network Devices? (on page 31). Connect the USB port on the cable modem to your computer. Connect one or more USB network device to the cable modem. Note: If you want to connect more than one USB network device to the cable modem or to your computer, you will need to purchase and install a USB hub. 4 Connect the active RF coaxial cable to the CABLE connector on the back of the cable modem. Use an optional cable signal splitter to add a TV, a DHCT or settop converter, or a VCR. After all connections are complete, insert the AC power cord into the POWER connector on the back of the cable modem, and then plug the cord into an AC power source. The cable modem begins an automatic search to locate and sign on to the network. This process may take up to 5 minutes. The cable modem is ready for use when the ONLINE LED status indicator on the front panel stops blinking and illuminates continuously. Verify that all USB devices are working properly. Note: You will not be able to check the front panel LED status indicator on the cable modem until after at least one USB network device is connected and operating on the network.

10 Click 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. 11 Click 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. 12 Verify that the Use 802.3 option located in the upper-right corner of the TCP/IP window is not selected. If there is a check mark in the option, select the option to clear the check mark, and then click Info in the lower-left corner. 13 Is 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. 14 Reboot your computer.
How Do I Use My Modem for Telephone Service?
Contacting Your Local Service Provider
You 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, verify the following conditions: Does the service to your home support two-way, DOCSIS-compatible cable modem access? If your service provider does not provide two-way service, this modem will not be able to communicate with your service provider's Internet access and telephone services. Can you transfer your existing telephone numbers from another telephony service provider to your current telephony service provider? In some areas, 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. 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 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.
Where Do I Place My Modem for Telephone Service?
Where Is the Best Location for My Modem?
When choosing a location for your modem, consider the following recommendations: Choose a location close to your computer if you will also use the cable modem for high-speed Internet service. Choose a location that is near an existing RF coaxial connection to eliminate the need for an additional RF coaxial outlet. Choose a location for the cable modem that is adjacent to your telephone equipment if you are using only one or two pieces of telephone equipment. Note: If you are using the cable modem to provide service to several telephones, a professional installer can connect the cable modem to your existing home telephone wiring. To minimize changes to the home telephone wiring, you may want to locate the cable modem near an existing telephone outlet. See How Do I Install the Modem for Telephone Service? (on page 39), for further instructions. Choose a location that is relatively protected from accidental disturbance or harm, such as a closet, basement, or other protected area. Choose a location so that there is plenty of room to guide the cables away from the modem without straining or crimping them. Airflow around the cable modem should not be restricted. Read this user's guide thoroughly before installing the cable modem.

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 power 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 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 two-way service. 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 How Do I Install USB Drivers? (on page 24), 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 10/100BaseT network interface card.
How Do I Maintain the Battery (Optional Model Only)
Your modem includes up to two rechargeable Lithium-Ion batteries to provide stand-by operation in the event of an AC power failure. You can replace one or both of the batteries without the use of any tools.
WARNING: There is danger of explosion if the battery is mishandled or incorrectly replaced. Replace only with the same type of battery. Do not disassemble it or attempt to recharge the battery outside the system. Do not crush, puncture, dispose of in a fire, short external contacts, or expose to water or other liquids. Dispose of the battery in accordance with local regulations and instructions from your service provider.

Charging the Batteries

The batteries begin to charge automatically as soon as you attach the modem to the AC electrical outlet. When you first plug in the modem, the POWER LED status indicator illuminates. Important! It may take as long as 24 hours for each battery to charge fully.
Using the Modem Without a Battery
If you want, you can use the modem without a battery. If you need to remove the batteries, follow the procedures found in Removing and Replacing the Batteries. Important! If you choose to operate your modem without a battery, you risk losing your telephone service during a power outage.

Replacing the Batteries

Under normal circumstances, the battery should last for several years. The BATTERY LED status indicator turns off to indicate that the battery should be replaced soon. Contact your service provider to obtain replacement batteries and for disposal instructions. Note: Follow the steps found in Location of Batteries (Single Battery Model) (on page 48) or Location of Batteries (Double Battery Model) (on page 49) to remove and replace one or both of the batteries.
Location of Batteries (Single Battery Model)
The following illustration shows the location of the batteries on the DPC2203/EPC2203 or DPC2100 with one battery.
Removing and Replacing the Battery You can remove and replace the battery without disconnecting the AC power source. 3 Carefully turn the modem over. Gently release the latch to open the battery cover and gain access to the battery compartment. Grasp the plastic strip on the front of the battery and gently slide the battery forward to remove it from the battery compartment. Important! It can take as long as 24 hours for the battery to charge fully. Insert a new battery into the battery compartment. Close the battery compartment door. The battery lock will automatically reengage. Note: Dispose of the battery in accordance with local regulations and instructions from your service provider.
Location of Batteries (Double Battery Model)
The following illustration shows the location of the batteries on the DPC2203/EPC2203 with two batteries.
Removing and Replacing the Batteries You can remove and replace the batteries without disconnecting the AC power source. 3 Gently press the battery cover on the front of the modem to open the battery cover and gain access to the battery compartment. Slide the battery lock upward (toward the front panel LEDs) to disengage the battery lock. Grasp the plastic strip on the front of the battery and gently slide the battery forward to remove it from the battery compartment. Note: Dispose of the battery in accordance with local regulations and instructions from your service provider. 6 Insert a new battery into the battery compartment. Repeat steps 3 and 4 if you are replacing both batteries. Close the battery compartment door. The battery lock will automatically engage. Important! It may take as long as 24 hours for each battery to charge fully.

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 vertically or 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 1 inch screws Two #8 x1 inch pan head sheet metal screws Drill with a 3/16-in. wood or masonry bit, as appropriate for the wall composition A copy of the wall-mounting illustrations shown on the following pages
Mount the modem as shown in the following illustration.
Location and Dimensions of the Wall-Mounting Slots
The following illustration shows the location and dimensions of the wall-mounting slots on the bottom of the modem. Use the information on this page as a guide for mounting your modem to the wall.
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).
Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration Step

Toll-free: 1-800-283-2636 Local: 770-236-2200 Fax: 770-236-2488
North America Atlanta, Georgia South America United States Central America
For all products other than Digital Broadband Delivery System, call:
Toll-free: 1-800-722-2009 Local: 770-236-6900 Fax: 770-236-2306

Customer Service

Toll-free: 1-800-722-2009 Local: 770-236-6900 Fax: 770-236-5477
Europe Asia-Pacific Australia Japan
England Hong Kong, China Sydney, Australia Tokyo, Japan
Telephone: +44 (0) 8708-325-420 Fax: +44 (0) 8708-325-444 Telephone: 011-852-2522-5059 Fax: 011-852-2522-5624 Telephone: 011-61-2-8446-5374 Fax: 011-61-2-8446-8015 Telephone: 011-81-3-5322-2067 Fax: 011-81-3-5322-1311
Scientific Atlanta, A Cisco Company 5030 Sugarloaf Parkway, Box 465447 Lawrenceville, GA 30042
770.236.5000 www.scientificatlanta.com
Scientific Atlanta and the Scientific Atlanta logo are registered trademarks of ScientificAtlanta, Inc. SciCare is a trademark of Scientific-Atlanta, Inc. DPC2203 and EPC2203 are trademarks of Scientific-Atlanta, Inc. Cisco, Cisco Systems, and the Cisco Systems logo are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. CableHome, DOCSIS, and PacketCable are registered trademarks of Cable Television Laboratories, Inc. All other trademarks shown are trademarks of their respective owners. Product and service availability subject to change without notice. 2006 Scientific-Atlanta, Inc. All rights reserved. Printed in United States of America October 2006 Part Number 4012160 Rev B

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WebSTAR DPX2203 and EPX2203 VoIP Cable Modem Users Guide
WebSTAR DPX2203 or EPX2203 VoIP Cable Modem Users Guide

Overview

Introduction
Welcome to the world of high-speed Internet and high quality digital telephone service. Your new WebSTAR Model DPX2203 or Model EPX2203 Cable Modem with Embedded MTA is a modem that meets industry standards for highspeed data connectivity along with digital telephone service. The DPX2203 or EPX2203 offers the following outstanding features: Data Over Cable System Interface Specifications (DOCSIS) technology to deliver high-end performance and reliability 10/100BaseT Ethernet and USB ports to provide connectivity for high-speed data services or to other Internet devices Two RJ-11 telephony ports for connecting conventional telephones or fax machines This guide provides procedures and recommendations for placing, installing, configuring, operating, and troubleshooting your DPX2203 or EPX2203 cable modem for high-speed Internet or digital telephone service, or both simultaneously. Refer to the appropriate section in this guide for the specific information you need for your situation. Contact your cable service provider for more information about subscribing to these services.

In This Guide

This guide contains the following topics. Topic Section A IMPORTANT RULES FOR SAFE OPERATION Section B Before You Begin Section C Front and Back Panel Components Section D Internet Service Installation Section E Telephone Service Installation Notices FCC Compliance For Information See Page 39 42

4004041 Rev A

Section A IMPORTANT RULES FOR SAFE OPERATION
This section provides important safety instructions that you must read and follow.

In this Section

This section contains the following topic. Topic IMPORTANT RULES FOR SAFE OPERATION See Page 3
IMPORTANT RULES FOR SAFE OPERATION

Note to Installer

Note to CATV System Installer
This reminder is provided to call the CATV system installers attention to Article 820-40 of the NEC (Section 54, Part I of the Canadian Electrical Code), that provides guidelines for proper grounding and, in particular, specifies that the CATV cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.

CAUTION

RISK OF ELECTRIC SHOCK DO NOT OPEN
CAUTION: To reduce the risk of electric shock, do not remove cover (or back). No user-serviceable parts inside. Refer servicing to qualified service personnel. WARNING TO PREVENT FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
This symbol is intended to alert you that uninsulated voltage within this product may have sufficient magnitude to cause electric shock. Therefore, it is dangerous to make any kind of contact with any inside part of this product.
This symbol is intended to alert you of the presence of important operating and maintenance (servicing) instructions in the literature accompanying this product.
Read and Retain These Instructions
Read all of the instructions before you operate this equipment. Give particular attention to all safety precautions. Retain the instructions for future reference. Comply with all warning and caution statements in the instructions. Observe all warning and caution symbols that are affixed to this equipment. Comply with all instructions that accompany this equipment.

Cleaning the Equipment

Before cleaning this equipment, unplug it from the electrical outlet. Use a damp cloth to clean this equipment. Do not use a liquid cleaner or an aerosol cleaner. Do not use a magnetic/static cleaning device (dust remover) to clean this equipment.

Placement

Place this equipment in a location that is close enough to an electrical outlet to accommodate the length of the power cord. Place this equipment on a stable surface. The surface must support the size and weight of this equipment. Place this equipment either horizontally or vertically. WARNING: Avoid personal injury and damage to this equipment. An unstable surface may cause this equipment to fall.

Continued on next page

IMPORTANT RULES FOR SAFE OPERATION, Continued

Accessories

Do not use accessories with this equipment unless recommended by your cable service provider.

Ventilation

This equipment has openings for ventilation that protect it from overheating. To ensure the reliability of this equipment, do not obstruct the openings. Do not place other equipment, lamps, books, or any other object on the top of or beside this equipment. Do not place this equipment in any of the locations that follow: On a bed, sofa, rug, or similar surface Over a radiator or a heat register In an enclosure, such as a bookcase or equipment rack, unless the installation provides proper ventilation

Overloading

Do not overload electrical outlets, extension cords, or integral convenience receptacles, as this can result in a risk of fire or electric shock. For equipment that requires battery power or other sources to operate, refer to the operating instructions for that equipment.

Object and Liquid Entry

Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock. Do not expose this equipment to liquid or moisture. Do not place this equipment on a wet surface. Do not spill liquids on or near this equipment.
Lightning and Power Surges
Plug your equipment into a surge protector in order to reduce the risk of damage from lightning strikes and power surges. If you are unsure of the type of surge protector to use, contact your cable service provider.

Servicing

Do not open the cover of this equipment. If you open the cover, your warranty will be void. Refer all servicing to qualified personnel only. Contact your cable service provider for instructions.

Power Cord Protection

Arrange all power cords so that people cannot walk on the cords, place objects on the cords, or place objects against the cords, which can damage the cords. Pay particular attention to cords that are at plugs, at electrical outlets, and at the places where the cords exit the equipment.

Front Panel Lights During Initial Power Up, Calibration, and Registration Step Front Panel Light 7
1 Power Up On Off Off Off Off Off Off
2 Self Test On On On On On On On
3 Downstream Scan On Off Off Slow Blinking 1 Blink Off, On or Blinking Off Off
4 Downstream Signal Lock On Off Off Momentary On Off, On or Blinking Off Off
5 Ranging On Occasional Blinking Occasional Blinking Off Off, On or Blinking Off Off
6 Requesting IP Address On Occasional Blinking Occasional Blinking Blinking 2 Blinks Off, On or Blinking Off Off
7 Registering On Occasional Blinking Occasional Blinking Blinking 4 Blinks Off, On or Blinking Off Off
8 Registration Complete On On On On Off or On Off Off
Power Receive Send Cable PC1 Line 1 Line 2
PC light is on 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 PC light is off.
Functions of the Front Panel Lights, Continued

Normal Operations

The following chart illustrates the appearance of the front panel lights on the cable modem during normal operations.
Front Panel Lights During Normal Operations Front Panel Light 5 Power Receive Send Cable PC On Blinks To indicate that the modem is receiving data from the network Blinks To indicate that the modem is sending data to the network On On When a single device is connected to either the Ethernet or USB port and no data is being sent to or from the modem Blinks When only one Ethernet or USB device is connected and data is being transferred between the consumer premise equipment (CPE) and the cable modem Off When no devices are connected to either the Ethernet or USB ports Note: 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 light illuminates continuously. Whenever data is being sent through both data ports (Ethernet and USB) simultaneously, the light blinks as described above. Line 1 Line 2 On when line 1 is in use On when line 2 is in use

Special Conditions

The following chart describes the appearance of the front panel lights on the cable modem during special conditions to show that you have been denied network access. If the front panel lights on the cable modem indicate that network access is denied, contact your cable service provider.
Front Panel Lights During Special Conditions Front Panel Lights 7 Power Receive Send Cable PC Line 1 Line 2 Network access Denied Slow Blinking 1 time per second Slow Blinking 1 time per second Slow Blinking 1 time per second Slow Blinking 1 time per second Slow Blinking 1 time per second Off Off
Section D Internet Service Installation

Internet Service: Overview
This section provides information and procedures to assist you in placing, installing, configuring, operating, and troubleshooting your DPX2203 or EPX2203 Cable Modem for high-speed Internet service.
This section contains the following topics. Topic Internet Service: Before You Begin Internet Service: System Requirements Internet Service: Install the Cable Modem Internet Service: Configure TCP/IP Internet Service: Install USB Drivers Internet Service: Frequently Asked Questions Internet Service: Troubleshooting See Page 27
Internet Service: Before You Begin
Contacting Your Local Cable Service Provider
You need to set up an Internet access account with your local cable service provider in order to use your cable modem. When you contact your cable service provider, verify the following conditions: Does the cable service to your home support two-way, DOCSIS-compatible cable modem access? If your cable service provider does not provide two-way service, this modem will not be able to communicate with your cable service providers Internet access service. Do you have an active RF coaxial cable connection near your PC? If your current cable input is not conveniently located near your PC, your cable service provider can install one. Do you have an Internet access account? Your cable service provider will set up your Internet access account, and they will become your Internet Service Provider (ISP) to enable you to send and receive e-mail, access the World Wide Web, and receive other Internet services. You may also need to give your cable service provider the following information: The serial number of the modem The Media Access Control (MAC) address of the modem 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 MAC. The following illustration shows a sample bar code label.

MAC Address

Serial Number

T10710

Selecting a Location for Your Modem

Select the location for your workspace and consider these recommendations: Position your PC and cable modem so that they are located near your cable input. There should be plenty of room to guide the cables away from the modem without straining or crimping them. Airflow around the cable modem should not be restricted. Read this users guide thoroughly before installing the cable modem.
Internet Service: System Requirements
This section provides hardware and software requirements for connecting your cable modem to a PC for high-speed Internet service. Minimum System Requirements for PCs A PC with a Pentium MMX 133 processor or greater 32 MB of RAM Web browsing software (Netscape or Internet Explorer) CD-ROM drive Minimum System Requirements for Macintosh MAC OS 7.MB of RAM System Requirements for an Ethernet Connection A PC with Microsoft Windows 95 operating system (or later) with TCP/IP protocol installed, or an Apple Macintosh computer with TCP/IP protocol installed An active 10/100BaseT Ethernet network interface card (NIC) installed in your PC System Requirements for a USB Connection A PC with a Microsoft Windows 98, 98SE, ME, 2000, or XP operating system A master USB port installed on your PC
Internet Service: Install the Cable Modem

Installation Diagram

The following diagram illustrates one of the various connection options that are available to you.

RF Cable

Cable Splitter

Power Supply

Home Telephone Wiring Line 2
12 VDC RESET TELEPHONY ETHERNET POWER LINE 2 LINE 1
Cable-Ready TV, VCR, or Set-Top Converter
CH+ VOL VOL+ MENU CH BYPASS GUIDE INFO A/B POWER

RF Cables

Home Telephone Wiring Line 1
Note: Professional installation may be available. Contact your local cable service provider for further assistance.

PC Ethernet Cable

T10703
Internet Service: Install the Cable Modem, Continued
Installing the Modem for High-Speed Data Service
The following installation procedures explain how to set up and configure your cable modem if you plan to use high-speed data service. If you plan to use your modem for telephone service only, go to Telephone Service: Install the Cable Modem, later in this guide. WARNING: To avoid personal injury or damage to your equipment, follow these steps in the exact order shown. Follow these steps to install your modem for high-speed data service. 1. 2. Power off your PC and unplug it from the power source. Connect your PC to either the Ethernet port or the USB port using the appropriate data cable. Note: You can connect two separate PCs to the cable modem at the same time by connecting one to the Ethernet port and one to the USB port. 3. 4. 5. 6. Insert the AC power adapter cord into the DC power connector on the back of the cable modem, and then plug the power adapter into an AC power source. Plug in and power on your PC. Connect one or both of the telephone ports to your home telephone jack(s), or plug a telephone directly into one of the telephone ports. Connect the active RF coaxial cable to the CABLE IN connector. Note: Use an optional cable signal splitter to add a TV, a DHCT or set-top converter, or a VCR. 7. The cable modem will then begin an automatic search to locate and sign on to the broadband data network. Note: This process may take up to 5 minutes. The modem will be ready for use when the CABLE light on the front panel stops blinking and illuminates continuously. 8. Your next step is to configure the modem. Choose one of the following options: To configure the TCP/IP protocol for Ethernet, go to Configure TCP/IP, next in this guide. To install the USB Drivers for USB, go to Install USB Drivers, later in this guide.

Microsoft Windows 2000

Follow these steps to install and configure the TCP/IP protocol for Microsoft Windows 2000 environments. 1. Click Start, select Settings, and choose Network and Dial-up Connections. Result: The Network and Dial-up Connections window opens. 2. In the Network and Dial-up Connections window, double-click the Local Area Connection icon. Result: The Local Area Connection Status window opens. 3. In the Local Area Connection Status window, click Properties. Result: The Local Area Connection Properties window opens. 4. In the Local Area Connection Properties window, click Internet Protocol (TCP/IP), and then click Properties. Result: The Internet Protocol (TCP/IP) Properties window opens. 5. In the Internet Protocol (TCP/IP) Properties window select both Obtain an IP address automatically, and Obtain DNS server address automatically; then, click OK. When the Local Network window opens, click Yes to restart your computer. Results: The computer restarts. The TCP/IP protocol is now configured on your PC and your cable modem and it is ready for use.
Note: If you cannot access the Internet, contact your cable service provider for further assistance.

Microsoft Windows XP

Follow these steps to install and configure the TCP/IP protocol for Microsoft Windows XP environments. 1. 2. 3. Click Start, select Connect to, and choose Show all connections. The Network Connections window opens. In the LAN or High-Speed Internet section, double-click the Local Area Connection icon. The Local Area Connection window opens. Follow steps 3 through 6 of the previous procedure, Microsoft Windows 2000, in this section.

Macintosh

Follow these steps to verify that the TCP/IP communications protocol and an Ethernet device are installed on your Macintosh computer. 1. 2. 3. 4. 5. Click the Apple icon in the upper left corner of the Finder. Scroll down to Control Panels, and then click TCP/IP. Click Edit on the Finder (gray bar) at the top of the screen. Scroll down to the bottom of the menu, and then click User Mode. Click Advanced in the User Mode window, and then click OK. Click 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. Click 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 will not appear. If it appears, select the option. A check mark appears in the option. 6. Verify that the Use 802.3 option located in the upper right-hand corner of the TCP/IP window is unchecked. If there is a check mark in the option, deselect the option, and then click Info in the lower left-hand corner. Is 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 down your Macintosh. 8. With 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. The computer will start, and you will hear the Apple chime; do not release these keys. Continue pressing these keys for up to three chimes, then release the keys and allow the computer to restart. When 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.

Follow these steps to install the WebSTAR cable modem USB drivers for Microsoft Windows XP environments. 1. 2. Insert the USB Cable Modem Driver Installation Disk into the CD-ROM drive of your PC. Wait until the POWER and CABLE lights on the cable modem appear solid green; then, plug the USB cable into the USB port on your PC. Result: The Found New Hardware Wizard window opens. 3. 4. In the Found New Hardware Wizard window, select Install from a list or specific location (Advanced), then click Next. In the Found New Hardware Wizard window, select Search removable media (floppy, CD-ROM), and then click Next. Result: The Hardware Installation window opens. 5. In the Hardware Installation window, click Continue Anyway to continue the installation. Result: The Found New Hardware Wizard window reopens with a message that the installation has finished. 6. Click Finish to close the Found New Hardware Wizard window. Result: The USB drivers are installed on your PC and your cable modem is ready for use. Note: If you cannot access the Internet, contact your cable service provider for further assistance.
Internet Service: Frequently Asked Questions
This section provides answer to frequently asked questions about cable modem Internet service. For questions about cable modem telephone service, see Telephone Service: Frequently Asked Questions, later in this guide.
Frequently Asked Questions
Q. What if I dont subscribe to cable TV? A. If cable TV is available in your area, data service may be made available with or without subscribing to cable TV service. Contact your local cable service provider for complete information on cable services, including high-speed Internet access. Q. How do I arrange for installation? A. Professional installation from your cable service provider may be provided. A professional installation ensures proper cable connection to the modem and to your PC, and this installation ensures proper configuration of all hardware and software settings. Contact your cable service provider for more information about installation. Q. How does the WebSTAR Cable Modem connect to my computer? A. The cable modem connects to the USB port or the 10/100BaseT Ethernet port on your PC. If your PC is not equipped with an Ethernet interface, an Ethernet card is available from your local PC or office supply retailer, or from your cable service provider. Q. Once my cable modem is connected, how do I access the Internet? A. Your local cable service provider becomes your Internet Service Provider (ISP), offering a wide range of services including e-mail, chat, news, and information services. Your cable service provider will provide the software you will need. 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 run more than one device on the modem? A. Yesa single WebSTAR cable modem will support up to 31 Ethernet devices utilizing a user-supplied Ethernet hub that you can purchase at your local PC or office supply retailer. Another user at your location can simultaneously connect to the USB port on the cable modem. Contact your cable service provider for further assistance.

Section E Telephone Service Installation
Telephone Service: Overview
This section provides procedures to assist you in placing, installing, configuring, operating, and troubleshooting your DPX2203 or EPX2203 Cable Modem for telephone service.
This section contains the following topics. Topic Telephone Service: Before You Begin Telephone Service: Telephone Requirements Telephone Service: Install the Cable Modem Telephone Service: Frequently Asked Questions Telephone Service: Troubleshooting See Page 37
Telephone Service: Before You Begin
You need to set up a telephone account with your local cable service provider in order to use your cable modem for telephone service. When you contact your cable service provider, verify the following conditions: Does the cable service to your home support two-way, DOCSIS-compatible cable modem access? If your cable service provider does not provide two-way service, this modem will not be able to communicate with your cable service providers Internet access and telephone services. Can you transfer your existing telephone numbers from another telephony service provider to your current cable telephony service provider? In some areas, 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 cable telephony service provider. You may also need to give your cable service provider the following information: The serial number of the modem The Media Access Control (MAC) address of the modem 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 MAC. The following illustration shows a sample bar code label.
Telephone Service: Before You Begin, Continued
You should work with your cable telephony service provider to choose the best location for your cable modem. Consider these recommendations: Choose a location close to your computer if you will also use the cable modem for high-speed Internet service. Choose a location that is near an existing RF coaxial connection to eliminate the need for an additional RF coaxial outlet. Choose a location for the cable modem that is adjacent to your telephone equipment if you are using only one or two pieces of telephone equipment. Note: If you are using the cable modem to provide service to several telephones, a professional installer can connect the cable modem to your existing home telephone wiring. To minimize changes to the home telephone wiring, you may want to locate the cable modem near an existing telephone outlet. See Install the Cable Modem to Provide Telephone Service, later in this guide for further instructions. Choose a location that is relatively protected from accidental disturbance or harm, such as a closet, basement, or other protected area. Choose a location so that there is plenty of room to guide the cables away from the modem without straining or crimping them. Airflow around the cable modem should not be restricted. Read this users guide thoroughly before installing the cable modem.

Telephone Service: Install the Cable Modem
The cable modem can be used to provide telephone service for one or two telephone lines. This section describes how to connect a single telephone, fax machine, analog telephone modem, or other telephone device to each telephone port on the cable modem. Important: Connecting the cable modem permanently to the installed home telephone wiring is not covered by this document.
Installing the Cable Modem to Provide Telephone Service
Heed the following warnings and caution, and then follow the subsequent installation procedures to ensure proper cable modem installation and configuration for providing telephone service. WARNING: 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. Hazardous electrical voltages can exist on the telephone ports on the cable modem and can be present on any connected wiring. Telephone wiring and connections must be properly insulated to prevent electrical shock. Disconnect power from the cable modem before attempting to modify any connected telephone wiring. To avoid personal injury, follow the steps on page 35 in the exact order shown.
CAUTION: To prevent possible damage to equipment, disconnect any other telephone service before connecting your cable modem to the same wires.
Telephone Service: Install the Cable Modem, Continued
Installing the Cable Modem
Follow these steps to install the cable modem to provide telephone service. 1. Connect a telephone, fax machine, or analog modem to each of the appropriate RJ-11 ports on the cable modem. Notes: The cable modem provides one line of telephone service on each of the RJ-11 connectors. Service must be set up and enabled by the cable telephone service provider. The two center conductors (pins 3 and 4) on the RJ-11 connector provide electrical connections to directly attached telephone devices or to a permanently installed in-home telephone wiring network. The telephone port labeled Line 1 also supports multi-line telephone devices. Line 1 is supported on pins 3 and 4, and Line 2 is supported on pins 2 and 5. The use of telephones that require electrical connections to other RJ-11 pins requires an adapter.
After all telephone connections are complete, insert the AC power adapter cord into the DC power connector on the back of the cable modem, and then plug the power adapter into an AC power source. Connect the active RF coaxial cable to the CABLE IN connector on the back of the cable modem. Note: Use an optional cable signal splitter to add a TV, a DHCT or set-top converter, or a VCR.

The cable modem begins an automatic search to locate and sign on to the network that provides the telephone service. Note: This process may take up to 5 minutes. The modem will be ready for use when the CABLE light on the front panel stops blinking and illuminates continuously.
Test your telephone service by lifting the receiver of each attached telephone to verify that dial tone can be heard and that you can make and receive telephone calls. Note: The Line 1 or the Line 2 front panel light also illuminates when the attached device is off the hook.
Telephone Service: Frequently Asked Questions
This section provides answers to frequently asked questions regarding cable modem telephone service. For questions about cable modem internet service, see Internet Service: Frequently Asked Questions, earlier in this guide.
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 telephone service provider. Contact your cable telephone service provider to get telephone service through the cable modem. Q. How do I arrange for installation? A. Professional installation from your cable 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 telephone service provider for more information about installation. 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. Q. Do I automatically receive high-speed Internet service with the cable modem? A. Your cable modem may be used to provide telephone service, high-speed Internet service, or both services. Your cable service provider enables Internet service. Contact your cable service provider for more information if you are not currently subscribing to Internet service. Q. How many telephones can I connect? A. The RJ-11 telephone-style connectors on the cable modem can each provide telephone service to multiple telephones, fax machines, and analog modems. The maximum number of telephone devices connected to each RJ-11 port is limited by the total Ringing Load of the telephone devices that are connected. Many telephone devices are marked with a Ringer Equivalent Number (REN). Each telephone port on the cable modem can support up to a 5 REN load. The sum of the REN load on all of the telephone devices attached to each port must not exceed 5 REN. 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.

Telephone Service: Troubleshooting
The modem does not register a cable connection. The modem works with a standard, 75-ohm, RF coaxial cable. If you are using a different cable, your cable modem will not function properly. Contact your cable service provider to determine whether you are using the correct cable. There is no dial tone when I lift the telephone handset. Your telephone service may not be enabled from your cable telephone service provider. Contact your cable telephone service provider for more information. Your telephone wiring may be connected to the wrong RJ-11 port on the cable modem. The cable modem has two telephone ports. Verify that you are connected to the correct telephone port. There may be a problem with your home telephone wiring. Use a telephone and connect directly to the same RJ-11 port on the back of the unit. If the dial tone is working here but does not work at other locations in the home, a professional may need to diagnose and repair a problem with your telephone wiring. There may be a problem with your telephone set. Use a different telephone set and listen to hear dial tone.
If your cable modem does not operate as expected, the following tips may help. If you need further assistance, contact your cable service provider. Verify that the plug to your cable modem AC adapter is properly inserted into an electrical outlet. Verify that your cable modem AC adapter 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 and CABLE lights on the front panel of your cable modem are on. Verify that all cables are properly connected, and that you are using the correct cables. Verify that your cable service is active and that it supports two-way service. Verify that you have called your cable service provider and given them the serial number and MAC address of your cable modem, if your cable service provider requests this information. 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.

Notices

Trademarks
Scientific-Atlanta and the Scientific-Atlanta ARCs logo are registered trademarks of Scientific-Atlanta, Inc. WebSTAR, DPX2203, EPX2203, and Bringing the Interactive Experience Home are trademarks of Scientific-Atlanta, Inc. Other trademarks listed herein are the property of their respective owners.

Disclaimer

Scientific-Atlanta, Inc. assumes no responsibility for errors or omissions that may appear in this guide. Scientific-Atlanta reserves the right to change this guide at any time without notice.

FCC Declaration of Conformity
This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions: 1) the device may not cause harmful interference, and 2) the device must accept any interference received, including interference that may cause undesired operation. WebSTAR Cable Modem Models DPX2203 and EPX2203 Scientific-Atlanta, Inc. 5030 Sugarloaf Parkway Lawrenceville, Georgia 30044 USA Telephone: 770-236-1077
FCC Compliance, Continued

Canada EMI Regulation

This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numrique de la class B est conforme la norme NMB-003 du Canada.

FCC Part 68

The Federal Communications Commission (FCC) of the United States restricts specific uses of modems, and places registration responsibilities on both the manufacturer and the individual user. 1. 2. 3. The modem may not be connected to a party line or to a coin-operated telephone. The modem manufacturer must make any repairs to the modem to maintain valid FCC registration. Notification to the telephone company is no longer required prior to connecting registered equipment, but upon request from the telephone company, the user shall tell the telephone company which line the equipment is connected to as well as the registration number and ringer equivalence number of the registered protective circuitry. FCC information is printed on a label on the bottom of the modem.
IC (Industry Canada) Notice
Notice: The Industry Canada (formerly Canadian Department of Communications) label identifies certified equipment. This certification means that the equipment meets certain telecommunications network protective, operational, and safety requirements. The department does not guarantee the equipment will operate to the users satisfaction. Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. In some cases, the companys inside wiring associated with a single-line individual service may be extended by means of a certified connector assembly (telephone extension cord). The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier. Any repairs or alterations made by the user may give the telecommunications company cause to request the user to disconnect the equipment. Users should ensure for their own protection that the electrical ground connections of the power utility, telephone lines and internal metallic water pipe system, if present, are connected together. This precaution may be particularly important in rural areas. CAUTION: Users should not attempt to make such connections themselves, but should contact the appropriate electric inspection authority, or electrician, as appropriate.

For Information

If You Need Technical Assistance
If you need technical assistance, contact your cable service provider.
2003 Scientific-Atlanta, Inc. All rights reserved.
Scientific-Atlanta, Inc. 5030 Sugarloaf Parkway, Box 465447 Lawrenceville, GA 30042 770.236.5000 www.scientificatlanta.com This document includes various trademarks of Scientific-Atlanta, Inc. Please see the Notices section of this document for a list of the Scientific-Atlanta trademarks used in this document. All other trademarks shown are trademarks of their respective owners. Product and service availability is subject to change without notice. 2003 by Scientific-Atlanta, Inc. All rights reserved. July 2003 Printed in USA Part Number 4004041 Rev A

 

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