Cisco DVB CAR100 Series Manuale utente

English

Introduction

The Cisco DVB CAR100 is a cable access router that connects a cable TV (CATV) network either to one

computer or to an Ethernet hub with one or more PCs connected. The Cisco DVB CAR100 enables two-way

data communication at high bit-rates.

The Cisco DVB CAR100-PC version can connect a single computer to the CATV network. The

Cisco DVB CAR100-LAN version can connect a maximum of 20 computers to the CATV network, using an

Ethernet hub (not included in the delivery).

Reference Material

Before you install the Cisco DVB CAR100, make sure that you have a copy of the Cisco DVB CAR100 Cable

Access Router Hardware Installation Guide (Cisco document number 78-10685).

If you do not have a printed copy of this guide, you can download a copy from Cisco Connection Online on the

World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

System Requirements

This section identiﬁes the hardware requirements necessary to install and operate the Cisco DVB CAR100.

Cisco DVB CAR100-PC Version

• A computer equipped with an Ethernet network adapter

• A crossover Ethernet cable

• Coaxial cable

• A power supply unit (included in the delivery)

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Introduction (continued)

Cisco DVB CAR100-LAN Version

• A maximum of 20 computers equipped with Ethernet network adapters

• An Ethernet hub

• A straight-through Ethernet cable

• Coaxial cable

• A power supply unit (included in the delivery)

Getting Help

Please contact the vendor who supplied your equipment or the cable service provider for technical support

information.

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Installing the Cisco DVB CAR100

This section provides basic information necessary to install the Cisco DVB CAR100. Refer to the

CiscoDVBCAR100CableAccessRouterHardwareInstallationGuidefordetailedinstallationinstructionsand

illustrations.

The following ﬁgure shows the locations for connecting all cables to the rear panel connectors of the

Cisco DVB CAR100.

Warning Read the installation instructions before you connect the system to its power source.

To see

translations of the warnings that appear in this publication, refer to the Regulatory

Compliance and Safety Information document that accompanied this device.

When the power supply is connected to the Cisco DVB CAR100, electrical current ﬂows through the CATV

coaxial cable. To avoid electrical shocks, always connect the CATV coaxial cable to the Cisco DVB CAR100

before connecting the power supply, and disconnect the power supply before removing the CATV coaxial cable.

Step 1 Connect the Cisco DVB CAR100 to the CATV network:

Connect the coaxial cable to the CATV wall outlet and to the socket labelled Cable on the rear of the

Cisco DVB CAR100.

Step 2 Connect the Cisco DVB CAR100 to the computer or hub:

If you have the Cisco DVB CAR100-PC, use a crossover Ethernet cable to connect the socket labelled

Ethernet to the computer’s Ethernet network adapter. If you have the Cisco DVB CAR100-LAN, use

astraight-through Ethernet cable to connect the socket labelled Ethernet to the hub’s Ethernet

network adapter.

Step 3 Cisco DVB CAR100-LAN only:

Connect the computers to the Ethernet hub according to the hub manufacturer’s instructions.

PowerEthernetCable

38045

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Step 4 Connect the power supply unit to the socket labelled Power on the back of the Cisco DVB CAR100,

then connect the power supply unit to the electrical wall outlet.

Note Always use the power supply unit supplied with the Cisco DVB CAR100.

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Computer Conﬁguration

Having completed the installation procedures, you have now successfully installed your Cisco DVB CAR100. It

comes preconﬁgured for full end-user operation. However, you will need to conﬁgure the connected computers

to communicate with the CATV network.

Note Consult the documentation provided by your CATV Service Provider. Typically you will be advised to

use the AutomaticNetworkConﬁguration described below. Use the ManualNetwork Conﬁguration only if instructed

to do so by your CATV service provider.

Automatic Network Conﬁguration

Automatic Network Conﬁguration for Windows 95/98

Step 1 Choose Start>Settings>Control Panel>Network.

Step 2 Select the Conﬁguration tab.

Step 3 Select the TCP/IP [your Ethernet adapter] entry, Properties, and then the IP Address tab.

Step 4 Click Obtain an IP address from a DHCP Server.

Step 5 Click OK and reboot the PC if neccessary.

If you have the Cisco DVB CAR100-LAN version,repeat Steps 1 to 5 for each connected PC.

Automatic Network Conﬁguration for Windows NT

Step 1 Choose Start>Settings>Control Panel>Network>Protocols.

Step 2 Click the TCP/IP Protocols entry in the list, then Properties,and select the IP Address tab.

Step 3 Click Obtain an IP address from a DHCP Server.

Step 4 Click Apply.

Step 5 Click OK and reboot the PC if neccessary.

If you have the Cisco DVB CAR100-LAN version,repeat Steps 1 to 5 for each connected PC.

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Computer Conﬁguration (continued)

Manual Network Conﬁguration

Note Use the Manual Network Conﬁguration below only if instructed to do so by your CATV Service Provider.

Note All Operating Systems: Use the TCP/IP settings provided by your CATV service provider; or if no other

data is provided, use the values from the TCP/IP Settings Table below. (Do not use the following values if your

Cisco DVB CAR100 is conﬁgured for MAC bridging. In such instances, your CATV service provider should

supply you with the appropriate values.) Refer to your operating system documentation for information

regarding TCP/IP conﬁguration procedures.

Manual TCP/IP Conﬁguration for Windows 95/98

Step 1 Choose Start>Settings>Control Panel>Network.

Step 2 Select the Conﬁguration tab.

Step 3 Select the TCP/IP [your Ethernet adapter] entry, Properties, then the IP Address tab.

Step 4 Click Specify an IP address and enter values for IP address and subnet mask from the TCP/IP Settings

Table above to conﬁgure the TCP/IP settings of your PC.

Step 5 Click the Gateway tab and enter values for the default gateway from the TCP/IP Settings Table.

Step 6 Select DNS Conﬁguration,Enable DNS and enter the DNS Server information supplied by your

CATV service provider.

Step 7 Click OK and reboot the PC if neccessary.

If you have the Cisco DVB CAR100-LAN version,repeat steps 1 to 7 for each connected PC.

TCP/IP Settings Table IP Address

Cisco DVB CAR100-PC Single PC 192.168.128.10

Cisco DVB CAR100-LAN

PC 1 192.168.128.10

PC 2 192.168.128.11

PC 3 192.168.128.12

PC 4 to PC 20 192.168.128.13 to 29

All versions Subnet Mask Default Gateway

255.255.255.0 192.168.128.2

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Computer Conﬁguration (continued)

Manual TCP/IP Conﬁguration for Windows NT

Note Use the Manual Network Conﬁguration described below only if instructed to do so by your CATV service

provider.

Step 1 Choose Start>Settings>Control Panel>Network>Protocols.

Step 2 Click the TCP/IP Protocols entry in the list, then Properties,and select the IP Address tab.

Step 3 Click Specify an IP Address. If no other conﬁguration data is provided by your cable operator, enter

the values from the TCP/IP Settings Table aboveto conﬁgure the TCP/IP settings of your PC.

Step 4 Click Apply.

Step 5 Select the DNS tab and enter the DNS Server information supplied by your cable service provider.

Step 6 Click OK and reboot the PC if neccessary.

Note If you have the Cisco DVB CAR100-LAN version,repeat Steps 1 to 6 for each connected PC.

The PCs are now ready to access the CATV network using the Cisco DVB CAR100.

Troubleshooting Tips

The Cisco DVB CAR100 can take up to 20 minutes to sign on the very ﬁrst time and,in extreme circumstances,

even longer. In such instances, contact your cable service provider for advice.

If the power LED on the front of the Cisco DVB CAR100 does not turn green after the initialization procedure,

the modem is not functioning correctly.

If the Cisco DVB CAR100 is powered off, it should remain off for at least 10 minutes before being restarted. If

the unit is powered on within 10 minutes, it is possible that it will fail to reestablish communication with the

service provider's headend unit. If this occurs, power the unit off again, and leave it off for at least 10 minutes.

Then power on the Cisco DVB CAR100 again,and communication with the service provider's headend unit

should be reestablished as normal.

Safety

Ensure free air ﬂow around the Cisco DVB CAR100 and power supply unit at all times to prevent

overheating.

Software Updates and Upgrades

Software Updates

Software updates for the Cisco DVB CAR100 are handled automatically by the cable service

provider by means of the CATV network. This requires no user intervention.

Note Cisco recommends leaving the Cisco DVB CAR100 switched on at all times so that

automatic software updates can be completed successfully.

Upgrading the Cisco DVB CAR100-PC to the

Cisco DVB CAR100-LAN

To upgrade the Cisco DVB CAR100 from the PC to the LAN version, contact your cable service

provider.

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