Owner manual

Q MOTOROLA ^^№board
T^UUUrU SB6120 DOCSIS® 3.0 Cable Modem_
Troubleshooting
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.)
POWER RECEIVE
□ □
SEND ONLINE
□ □
LINK
•\ I
Check the lights on the front panel: Optional operation available in some locations:
j RECEIVE and SEND lishts sro bluo for s bonded
POWER, RECEIVE, SEND, and ONLINE 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. toyeurcomputer.
POWER RECEIVE
□ □
SEND ONLINE
□ □
LINK
'^cb-
1 ^
\/
ni
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
o
548793-001-b
05/2008
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: http://broadband.motorola.com/consumers/support
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.