Motorola ^^№board – Motorola sb6120 User Manual

Page 2

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MOTOROLA ^^№board

T^UUUrU SB6120 DOCSIS® 3.0 Cable Modem_

T r o u b l e s h o o t i n g

This information is to heip you quickiy soive a probiem. Before caiiing your service provider, try unplugging and piugging in

the cabie modem's power cord in the AC wall outlet to restart your cable modem.

The Problem

SB6120 has no power/

Green POWER light is OFF

The Solution


Check that the power adapter is plugged into both the cable modem and the

electrical wall outlet. (Power adapter may vary from illustration.)


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•\ I

Check the lights on the front panel:

Optional operation available in some locations:

j RECEIVE and SEND lishts sro bluo for s bonded


channel connection from your SB6120 to the

should always be ON.

Internet. LINK light is blue for high-speed

....... . ... .. .. Ethernet connection (Gigabit) from the SB6120

LINK should be flashing.



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1 ^



If you do not have cableTV service, you will need to contact your cable service
provider. If you have cableTV service, then you can determine if the cable system is

working properly by viewing a channel on yourTV. If you cannot see a picture, then
your data service will not work and you will need to call your cable service provider.

Check the coaxial cable at the cable modem and cable service wall outlet.

Hand tighten, if necessary.

Disconnect and reconnect the Ethernet cable from the cable modem and your

computer to make sure it's properly seated.

SB6120 cannot

send or receive data



Check the IP address by following the steps in "Verifying the IP Address in Windows Vista®"
or "Verifying the IP Address in Windows® 2000 or Windows® XP" in the User Guide
found on the Motorola website:
On computers using UNIX® or LINUX®, you must have Adobe® Acrobat® Reader® installed

before opening the User Guide. (Call your cable service provider if you need an IP address).

MOTOROLA and the Stylized M logo are registered in the US Patent &Trademark Office. SURFboard is a registered trademark of General Instrument Corporation, a wholly-owned subsidiary of Motorola, Inc.

Windows is a registered trademark and Vista is a trademark of Microsoft Corporation in the U.S. and/or other countries. Linux® is a registered trademark of LinusTorvalds in the U.S. and other countries. UNIX

is a registered trademark of the Open Group in the United States and other countries. Adobe, Adobe Acrobat, and Adobe Acrobat Reader are registered trademarks of Adobe Systems, Inc. All other product or

service names are property of their respective owners. No part of the contents of this document may be reproduced or transmitted in any form or by any means without the written permission of the

publisher. © Motorola, Inc. 2008. All rights reserved.