Motorola SBG-940 Manuale utente
Quick Installation Guide
SBG940
SURFboard
®
Wireless
Cable Modem Gateway
2 SBG940 Wireless Cable Modem Gateway
A home network enables you to access information on two or more computers
in your home. You can connect your home network to your cable TV system to
connect to the Internet.
Your SURFboard Gateway SBG940 is the central connection point between your
computers and the Internet. It directs (routes) information between the
computers on your home network. A built-in cable modem transmits
information between your home network and the Internet.
The SBG940 provides different network connection types. You can use a
wireless or a wired connection (or a combination of the two) to connect your
computers to the SBG940. Your network can use one or any combination of:
Ethernet local area network (LAN)
Wireless LAN (WLAN) with Wi-Fi®Protected Access (WPA) encryption
Universal Serial Bus (USB)
This guide provides information about:
Optional accessories and network requirements
Cable, Ethernet, USB, wireless, and printer connections
Starting the Setup Program
Introduction to network security and gaming configuration
Troubleshooting and contact information
This guide contains an overview only. For in-depth information, refer to the
interactive SBG940 User Guide on the SBG940 Installation CD-ROM. If
desired, you can print all or part of the user guide.
For normal operation, you do not need to change most default settings.
Quick Installation Guide 3
Optional Accessories
Networks are composed of multiple devices. An SBG940 works with any
IEEE 802.11g or 802.11b client product. Motorola supplies a range of
accessories for use with the SBG940. Some examples are:
For more information about Motorola cable modems, gateways, and related
consumer broadband products, visit http://broadband.motorola.com/consumers.
4 SBG940 Wireless Cable Modem Gateway
Basic SBG940 Network Requirements
A connection to your cable TV system
A subscription to cable modem service from your cable TV provider
One or more computers with minimum:
Pentium® class processor or faster
256 MB of memory
10 MB of hard disk space available
Windows®98, Windows®98 SE, Windows Me®, Windows®2000,
Windows XP™, Macintosh®, or Linux®with operating system
CD-ROM available
A wired or wireless network adapter for each computer on the network
For wired connections, Ethernet cables (one is provided with the SBG940)
We recommend powering the SBG940 with a surge protector or uninterruptible
power supply (UPS).
Connecting the SBG940
To connect to Ethernet or USB on a PC running a supported Windows version,
perform the procedures in the following sections in this guide:
Ethernet A, B, and E
USB A, C, and E
Wireless A, D, and E
For Macintosh or Linux computers, follow the instructions in the SBG940 User
Guide and the operating system documentation.
Quick Installation Guide 5
A. Connect the SBG940 to Your Cable TV System
To activate your high-speed Internet service, you need to call your cable
provider. Your cable provider requires the MAC address labeled
CM HFC MAC ID on the bottom of the SBG940. For reference, you can write
your CM HFC MAC ID here:
00 : ______ : ______ : ______ : ______ : ______
Connecting Directly to the Cable Outlet
Connect one end of the coaxial cable to the cable TV wall outlet and connect
the other end to the cable connector on the SBG940.
Connect one end of the AC power cord into the power connector on the
SBG940 and plug the other end into an AC wall outlet, surge protector,
or UPS. This turns the SBG940 on.
If, after a few minutes, the power, DS, US, and ONLINE lights on the front
panel light solid green, continue with Section B, C, or D. Otherwise,
contact your cable provider and provide your MAC address.
6 SBG940 Wireless Cable Modem Gateway
Connecting to the Cable Outlet Using a Splitter
Connecting an SBG940 to the same cable outlet as a TV requires a
5 to 900 MHz splitter and two additional coaxial cables. If a coaxial cable is
already connecting your TV to the cable wall outlet, disconnect it from the TV.
1Connect one end of a coaxial cable to the cable TV wall outlet and connect
the other end to the splitter input.
2Connect one end of a second coaxial cable to the splitter output and
connect the other end to your TV.
3Connect one end of a third coaxial cable to the other splitter output and
connect the other end to the cable connector on your SBG940.
4Connect one end of the AC power cord into the power connector on the
SBG940 and plug the other end into an AC wall outlet, surge protector,
or UPS. This turns the SBG940 on.
If, after a few minutes, the power, DS, US, and ONLINE lights on the front
panel light solid green, continue with Section B, C, or D. Otherwise,
contact your cable provider and provide your MAC address.
Quick Installation Guide 7
B. Ethernet Connections
Computers using the Ethernet connection require an Ethernet adapter installed
and a wired connection to the SBG940. If necessary, install the adapter hardware
and driver software according to the manufacturer’s instructions. You can also
connect Xbox®and PlayStation®2 gaming machines to the SBG940. You can
use Ethernet hubs or routers to connect up to 253 computers or gaming
machines to the SBG940.
1Plug one end of the Ethernet cable into the Ethernet connector on the
computer or gaming machine.
2Plug the other end into Ethernet connector 1 to 4 on the SBG940 or an
Ethernet hub or router connected to the SBG940, as shown in the illustrated
sample LAN below.
3Restart your computer to obtain an IP address from the SBG940. Continue
with Section E to secure your Internet connection.
Sample Ethernet LAN
8 SBG940 Wireless Cable Modem Gateway
C. USB Connection
You can connect one PC running Windows 98, Windows Me, Windows 2000,
or Windows XP to the SBG940 USB port. The USB connection requires special
driver software supplied on the SBG940 Installation CD-ROM.
1Insert the SBG940 Installation CD-ROM into the CD-ROM drive. Be sure
the SBG940 is not connected to your PC.
2Install the USB driver software and restart your PC.
3Connect the USB cable to the USB connector on the SBG940 and connect
its other end to the USB connector on the PC. Continue with Section E to
secure your Internet connection.
If you experience problems with the USB connection, uninstall the USB driver
following the instructions in the SBG940 User Guide.
Quick Installation Guide 9
D. Wireless Network Setup
Computers or other devices using a wireless connection require an IEEE
802.11g or 802.11b wireless adapter connected to the USB, PCI, or PCMCIA
port. For information about Motorola wireless peripherals, visit
http://broadband.motorola.com/consumers/home_networking.asp.
To provide an initial wireless connection to your network and the Internet:
1Connect the SBG940 to the cable TV system as described in Section A.
2On each wireless client computer, install the wireless adapter hardware and
driver software according to the manufacturer’s instructions.
3On each wireless client, set up a wireless adapter profile to connect to the
SBG940. The procedure depends on your wireless adapter and computer
operating system. Follow the manufacturer’s instructions.
In your initial profile, use the SBG940 default wireless Network Name
(ESSID) Motorola (case-sensitive).
4Continue with Section E to secure your Internet connection.
The default SBG940 settings provide no wireless security. After
your wireless LAN is operational, be sure to enable security as
described on pages 11 to 13.
10 SBG940 Wireless Cable Modem Gateway
E. Start the SBG940 Setup Program
1On a computer wired to the SBG940 USB or Ethernet port, open your web
browser (for example, Microsoft Internet Explorer or Netscape Navigator®).
2Type http://192.168.100.1 or the default gateway address
http://192.168.0.1 and press ENTER to display the login window.
3In the User ID field, type admin (case-sensitive).
4In the Password field, type motorola (case-sensitive) and click Log In to
display the SBG940 Setup Program main window.
Network Security
The SBG940 firewall and wireless security measures are disabled by default.
The default settings provide neither data security nor protection
from Internet attacks or wireless eavesdropping. We recommend
protecting your network as described on pages 11 to 13.
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