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Quick Start Guide

SURFboard

®

 SBG6782-AC

Wireless Cable Modem Gateway

© 2014 ARRIS Enterprises, Inc. All rights reserved.  
ARRIS, SURFboard, and the ARRIS logo are all trademarks or 

registered trademarks of ARRIS Enterprises, Inc. Other trademarks 

and trade names may be used in this document to refer to either the 

entities claiming the marks and the names of their products. ARRIS 

disclaims proprietary interest in the marks and names of others. 
MOTOROLA and the Stylized M logo are trademarks or registered 

trademarks of Motorola Trademark Holdings, LLC. and are used by 

ARRIS under license. All other product or service names are the 

property of their respective owners. 
No part of this publication may be reproduced or transmitted in 

any form or by any means without written permission from ARRIS 

Enterprises, Inc. 
594650-002-b  07/2014

Place 

Label 

Her

e

LED Status

What You Should Know

The gateway label is located on the bottom 

of your SBG6782-AC Gateway.  

To receive high-speed Internet service, your 

service provider may request the Media 

Access Control (MAC) address (see 

HFC 

MAC ID

) and serial number (see 

S/N

located on the gateway label.

During normal operation, the 

Power, 

Receive, Send

, and 

Online

 LEDs on the 

SBG6782-AC front panel should always be 

lit SOLID green or blue. 

Note: 

During startup, all LEDs will FLASH 

and then light up SOLID in sequence. If an 

LED lights up SOLID and the next LED does 

not FLASH, please call ARRIS Technical 

Support at 

1-877-466-8646

The SBG6782-AC is a combination wireless 

cable modem and router that provides wireless 

high-speed Internet access and MoCA 

networking to the Smart devices (for example, 

TV, mobile phone, tablet) in your home. The 

SBG6782-AC connects to the existing coaxial 

cable connection in your home and does not 

require any new wiring.
This quick start guide will help you install your 

SBG6782-AC Wireless Cable Modem Gateway 

and set up a secure wireless network 

connection. 
To take advantage of the 802.11ac wireless 

performance or beamforming capabilities, your 

wireless connected devices must support 

802.11ac. For optimal performance with 

802.11ac, you should connect any wireless 

devices using older protocols to the 2.4 GHz 

wireless network (not the 802.11ac 5 GHz 

network).
To customize your wireless network connection 

and enable your MoCA network and other 

advanced gateway settings, see the  

SBG6782-AC User Guide

 for more information. 

It is available online at the ARRIS Support 

website, 

www.arrisi.com/consumer

Frequently asked questions (FAQs) and 

additional product documentation are also 

available on the support website.

IMPORTANT! 

During the installation or gateway activation, you may need to 

contact your service provider for assistance. To save time, make sure you have 

the 

Gateway model name (SBG6782-AC), HFC MAC ID,

 and 

Serial Number 

(S/N)

 located on the gateway label on the bottom of your SBG6782-AC.

BEFORE RETURNING THIS PRODUCT TO THE STORE for any reason, 

please call ARRIS Technical Support for assistance: 

1-877-466-8646

4

In the Box

SBG6782-AC 

Wireless Cable 

Modem Gateway

Power Cord

Ethernet Cable

Software License 

& Warranty Card

Quick Start Guide

ON

 - Power is properly 

connected

FLASH 

- 2.4 GHz wireless 

connection between the gateway 

and a Wi-Fi enabled device

ON 

- Downstream channel is 

connected

ON 

- Upstream channel is 

connected

ON 

- Gateway is connected to 

the network

FLASH 

- 5 GHz wireless 

connection between the gateway 

and a Wi-Fi enabled device

ON 

- MoCA-enabled device is 

connected and running

 

Front Panel LEDs

 

Gateway Label

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