Introduction Before You Begin

Installation & Configuration

Troubleshooting FAQ Glossary License

 

 

 

 

Cable outlet

 

 

 

 

 

 

 

 

 

 

Coaxial cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SURFboard

 

 

 

 

 

 

 

 

 

cable modem

 

 

 

 

 

 

USB cable

 

 

 

Straight-through

 

 

 

 

 

 

 

 

 

Ethernet cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Computer

 

 

Computer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable outlet

 

 

 

 

 

 

 

 

 

Coaxial cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SURFboard

 

 

 

 

 

 

 

 

cable modem

 

 

 

 

 

 

USB cable

 

 

 

Crossover Ethernet

 

 

 

 

 

 

 

 

 

cable

 

 

 

 

 

 

 

 

 

 

 

Computer

 

 

 

Ethernet hub

 

Ethernet cable

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Computer

 

 

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Cabling for Multiple Users

The SURFboard cable modem supports several multiple user configurations. Along with an optional hub or router, it can serve as an Internet gateway for up to 32 computers.

For information about multiple user service, contact your cable service provider.

Ethernet and USB

You can connect the USB port on one computer and the Ethernet port on another computer directly to the cable modem, as shown at top left.

Caution

Do not connect both the Ethernet and USB cables to the same computer.

You can connect a single computer to the USB port and from one to 31 remaining users to an Ethernet hub, as shown at bottom left. You cannot connect more than one computer to the cable modem through the USB port.

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SURFboard Cable Modem SB4220 Series User Guide

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Motorola SB4220 manual Cabling for Multiple Users, Ethernet and USB