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WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide

What are the Requirements for Ethernet Network Devices?

How Many Ethernet Network Devices Can I Connect?

The gateway cable modem can support several Ethernet network devices using either the Ethernet port on the back panel of the unit, or external Ethernet hubs that must be purchased separately. The theoretical maximum number of Ethernet network devices supported is by the gateway cable modem 253. However, under normal circumstances, the number of devices connected should be a much lower number. Contact your cable service provider for more information on the maximum number of Ethernet network devices to connect to the gateway cable modem in order to maintain optimal network performance.

What are the Wiring Requirements for Ethernet Networking?

A number of factors can impact the practical limit of the network. Although the gateway cable modem is designed to support several Ethernet network devices, it is important to view the characteristics of the entire network and not just each individual node. The theoretical distance between two 10/100BaseT CAT-5Ethernet hubs is 382 feet (100 meters). Contact your cable service provider or consult the documentation for your Ethernet network devices for more information.

Scientific-Atlantarecommends that you useCAT-5Ethernet cables.

Do I Need to Configure the TCP/IP Protocol on My Computer?

In order for you to use Ethernet network devices on your network, you must have the TCP/IP protocol properly configured on your PC. Refer to How Do I Configure TCP/IP Protocol, earlier in this guide, for detailed information on configuring the TCP/IP protocol.

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How Do I Select and Place Ethernet Network Devices?

How Do I Select and Place Ethernet Network Devices?

You can use a large variety of Ethernet network devices with your gateway cable modem. These include NIC cards, hubs, bridges, etc. Contact your cable service provider or consult the documentation for your Ethernet network devices for more information on configuring Ethernet network devices.

Where is the Best Location for My Ethernet Network Devices?

You should work with your cable service provider to choose the best location for your Ethernet network devices. Consider these recommendations:

Location of two-waycable outlets

Distance of the Ethernet network devices from the gateway cable modem

Location of computers and other equipment from AC power outlets

Ease of running Ethernet cable to the Ethernet network devices

Now that you have selected a location for your Ethernet network devices, the next step is to place and connect your Ethernet network devices. Go to How Do I Connect Ethernet Network Devices, next in this guide.

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WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide

How Do I Connect Ethernet Network Devices?

Connecting Ethernet Devices

You must connect your Ethernet devices for use with the gateway cable modem. Professional installation may be available. Contact your local cable service provider for further assistance.

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

RF

Cable

Cable

Splitter

 

 

ANTENNA

 

Power

VDC 12

POWER

RF

RESET

 

Supply

 

Cables

Power S upply

ETHERNET

 

 

 

USB

 

Cable-ReadyTV,

 

 

VCR, or Set-Top

 

 

 

 

 

 

Converter

 

CABLE

 

 

PC

USB Cable

Ethernet

Hub

PC

Wireless

Laptop

 

PC

Wireless

PC

Laptop

 

T10949

22

WARNING:

Hazardous electrical voltages can be present on any connected wiring. Ethernet wiring and connections must be properly insulated to prevent electrical shock. Disconnect power from the gateway 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 gateway cable modem to other devices.

How Do I Connect Ethernet Network Devices?

To connect Ethernet devices

Read the warnings and caution on this page. Then, follow the subsequent installation procedures to ensure proper gateway cable modem operation when connecting Ethernet network devices.

1.Select locations for Ethernet network devices. For more information, see

How Do I Select and Place Ethernet Network Devices, earlier in this guide.

2.Connect an Ethernet port on the gateway cable modem to your PC.

3.Connect additional Ethernet network devices using the other Ethernet ports on the gateway cable modem, or by connecting an Ethernet hub or router to the gateway cable modem.

4.Connect the active RF coaxial cable to the CABLE connector on the back of the gateway cable modem. Use an optional cable signal splitter to add a TV, a DHCT orset-topconverter, or a VCR.

5.After all connections are complete, insert the AC power adapter cord into the DC POWER connector on the back of the gateway cable modem, and then plug the power adapter into an AC power source.

6.The gateway cable modem begins an automatic search to locate and sign on to the network. In some unusual circumstances, this process may take up to 5 minutes. The gateway cable modem is ready for use when the CABLE status indicator on the front panel stops blinking and illuminates continuously.

7.Verify that all Ethernet network devices are working properly.

You will not be able to check the Ethernet front panel status indicators on the gateway cable modem until after two or more Ethernet network devices are connected to the gateway cable modem.

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WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide

What are the Requirements for USB Network Devices?

How Many USB Devices Can I Connect?

Contact your cable service provider for more information on the maximum number of USB network devices to connect to the gateway cable modem in order to maintain optimal network performance.

What are the Wiring Requirements?

Several factors can impact the practical limit of the network. Use correct USB cables. Contact your cable service provider or consult the documentation for your USB network device for more information.

Do I Need to Install USB Drivers on My Computer?

To use USB network devices, you must have the correct USB drivers install on your PC. Refer to How Do I Install USB Drivers, earlier in this guide, for information on installing USB drivers.

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How Do I Select and Place USB Network Devices?

How Do I Select and Place USB Network Devices?

You can use a large variety of USB network devices with your gateway cable modem. These include desktop computers, laptop computers, devices with USB ports, USB adapters. Contact your cable 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 cable service provider to choose the best location for your USB network devices. Consider these recommendations:

Location of two-waycoaxial cable outlets

Distance of the USB network devices from the gateway 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, next in this guide.

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WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide

How Do I Connect USB Network Devices?

Connecting USB Devices

You must connect your USB devices for use with your gateway cable modem. Professional installation may be available. Contact your local cable service provider for further assistance.

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

RF

Cable

Cable

Splitter

 

 

ANTENNA

 

Power

VDC 12

POWER

RF

RESET

 

Supply

 

Cables

Power S upply

ETHERNET

USB

Cable-ReadyTV,

VCR, or Set-Top

Converter

CABLE

USB

PC

Hub

 

Ethernet

PC

 

Hub

 

Wireless

Laptop

PC

 

PC

Wireless

PC

Laptop

 

T10951

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WARNING:

Hazardous electrical voltages can be present on any connected wiring. Ethernet wiring and connections must be properly insulated to prevent electrical shock. Disconnect power from the gateway 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 gateway cable modem to other devices.

How Do I Connect USB Network Devices?

To connect USB devices

Read the warnings and caution on this page. Then, follow the subsequent installation procedures to ensure proper gateway cable modem operation when connecting USB network devices.

Verify that you have installed the USB drivers on your PC before continuing with these instructions. SeeHow Do I Install USB Drivers, earlier in this guide for more information on installing the USB drivers.

1.Select locations for USB network devices. For more information, see

How Do I Select and Place USB Network Devices, earlier in this guide.

2.Connect the USB port on the gateway cable modem to your computer.

3.Connect one or more USB network device to the gateway cable modem.

If you want to connect more than one USB network device to the gateway 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 gateway cable modem. Use an optional cable signal splitter to add a TV, a DHCT orset-topconverter, or a VCR.

5.After all connections are complete, insert the AC power adapter cord into the DC POWER connector on the back of the gateway cable modem, and then plug the power adapter into an AC power source.

6.The gateway cable modem begins an automatic search to locate and sign on to the network that provides the telephone service. This process may take up to 5 minutes. The gateway cable modem is ready for use when the CABLE status indicator on the front panel stops blinking and illuminates continuously.

7.Verify that all USB devices are working properly.

You will not be able to check the USB front panel status indicator on the gateway cable modem until after at least one USB network device is connected and operating on the network.

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WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide

What are the Requirements for Wireless Network Devices?

How Many Wireless Devices Can I Connect?

The gateway cable modem serves as a wireless access point (WAP). The WAP on the gateway cable modem provides wireless network service to multiple wireless network devices. Contact your cable service provider for more information on the maximum number of wireless network devices to connect to the gateway cable modem in order to maintain optimal network performance.

What are the Requirements for Wireless Networking?

It is important to view the characteristics of the entire network and not just each individual node. The theoretical distance between wireless network devices is 100 feet inside of a building, and 300 feet outdoors.

A number of factors can impact the practical limit of the network. Contact your cable service provider or consult the documentation for your wireless network devices for more information.

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How Do I Select and Place Wireless Network Devices?

How Do I Select and Place Wireless Network Devices?

You can use a large variety of wireless network devices with your gateway cable modem. These include computers, PDAs, etc. On the wireless network, all devices impact the characteristics of the network, because each device transmits a wireless signal. Contact your cable service provider or consult the documentation for your wireless network device for more information on selecting the appropriate wireless network devices for your home or office network.

Where is the Best Location for My Wireless Network Devices?

You should work with your cable service provider to choose the best location for your wireless network devices. Consider these recommendations:

Distance from the gateway cable modem to the wireless network devices.

Do not place the gateway cable modem near metallic surfaces that may block the wireless communications path. Wireless communication is “line-of-sight” throughnon-metallicwalls. However, the more structures (walls) the signal must pass through, the weaker the received signal.

Do not place wireless network devices near a microwave oven. When operating, microwave ovens can interfere with wireless transmissions.

Do not place your wireless network devices near 2.4 GHz wireless telephones because these telephones may also cause interference with your wireless network.

Now that you have selected a location for your wireless network devices, the next step is to place and install your wireless network devices. Go to How Do I Install Wireless Network Devices, next in this guide.

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