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Page 21 / 86 Scroll up to view Page 16 - 20
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2 •
Getting Started
20
5.
Select
Internet Protocol (TCP/IP)
and click
Properties
to display the Internet
Protocol (TCP/IP) Properties window.
6.
Select
Obtain an IP address automatically
and
Obtain DNS server address
automatically
.
7.
Click
OK
to save the TCP/IP settings and exit the TCP/IP Properties window.
8.
Close the Local Area Connection Properties window and then exit the Control Panel.
9.
When you complete the TCP/IP configuration, go to
Verifying the IP Address in
Windows XP
.
Configuring TCP/IP in Windows Vista
1.
Open the
Control Panel
.
2.
Double-click
Network and Internet
to display the Network and Internet window.
3.
Double-click
Network and Sharing Center
to display the Network and Sharing
Center window.
4.
Click
Manage network connections
to display the LAN or High-Speed Internet
connections window.
5.
Right-click the network connection for your network interface.
6.
Select
Properties
to display the Local Area Connection Properties window.
7.
Vista may prompt you to allow access to the Network Properties Options. If you see
the prompt, User Account Control -- Windows needs your permission to continue,
click
Continue
.
8.
Select
Internet Protocol Version4 (TCP/IPv4)
and click
Properties
to display the
Internet Protocol Version 4 (TCP/IPv4) Properties window.
9.
Select
Obtain an IP address automatically
and
Obtain DNS server address
automatically
.
10.
Click
OK
to save the TCP/IP settings and close the Internet Protocol Version 4
(TCP/IPv4) Properties window.
11.
Click
OK
to close the Local Area Connection Properties window.
12.
Close the remaining windows and exit the Control Panel.
13.
When you complete the TCP/IP configuration, go to
Verifying the IP Address in
Windows Vista
.
Verifying the IP Address in Windows XP
To check the IP address:
1.
On the Windows Desktop, click
Start
.
2.
Select
Run
. The Run window is displayed.
3.
Type
cmd
and click
OK
4.
Type
ipconfig
and press
ENTER
to display your IP configuration.
If an Autoconfiguration IP address is displayed, it indicates possible broadband network
problems or an improper connection between your computer and the SBG901. The
Autoconfiguration IP address, ranging from
169.254.0.0
to
169.254.255.255
, is reserved
for Automatic Private IP Addressing (APIPA).
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Getting Started
21
This can occur if the SBG901 is configured to automatically obtain an IP address from a
Dynamic Host Configuration Protocol (DHCP) server. When Autoconfiguration is enabled,
Windows automatically assigns an IP address if the cable modem gateway is unable to
obtain one. Because this automatically assigned IP address is not valid, you will not be
able to access the Internet using the cable modem gateway.
Check the following:
•
Your cable connections
•
Whether you can see cable-TV channels on your television
After successfully verifying your cable connections and proper cable-TV operation, you
can renew your IP address, see
Renewing Your IP Address
.
Verifying the IP Address in Windows Vista
Do the following to verify the IP address:
1.
On the Windows Desktop, click
Start
.
2.
Click
All Programs
.
3.
Click
Accessories
.
4.
Click
Run
to display the Run window.
5.
Type
cmd
and click
OK
to open a command prompt window.
6.
Type
ipconfig
and press
Enter
to display the IP Configuration.
If an Autoconfiguration IP address is displayed, it indicates possible broadband network
problems or an improper connection between your computer and the SBG901. The
Autoconfiguration IP address, ranging from
169.254.0.0
to
169.254.255.255
, is reserved
for Automatic Private IP Addressing (APIPA).
Renewing Your IP Address
To renew your IP address in Windows XP or Windows Vista:
1.
Open a command prompt window.
A.
From the Windows Taskbar, click
Start
to open the Start menu.
B.
Click
Run
to open the Run dialog.
C.
Type
cmd
in the Open entry box and click
OK
.
2.
Type
ipconfig /renew
and press
ENTER
. A valid IP address should appear
indicating that Internet access is available.
3.
Type
exit
and press
ENTER
to close the command prompt window.
If after performing this procedure your computer cannot access the Internet, call your
cable provider for help.
Page 23 / 86
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Getting Started
22
Wall Mounting the SBG901
Do the following to mount the SBG901 on the wall:
•
Locate the unit as specified by the local or national codes governing residential or
business cable TV and communications services.
•
Follow all local standards for installing a network interface unit/network interface
device (NIU/NID).
If possible, mount the unit to concrete, masonry, a wooden stud, or some other very
solid wall material. Use anchors if necessary (for example, if you must mount the unit on
drywall).
CAUTION:
Before drilling holes, check the structure for potential
damage to water, gas, or electrical lines.
Make sure the AC power plug is disconnected from the wall outlet and all cables are
removed from the back of the SBG901 before starting the installation.
You can mount the SBG901 horizontally or vertically. Do the following to mount your
SBG901 on the wall:
1.
Print a copy of the
Wall Mounting Template
.
2.
Measure the printed template with a ruler to ensure that it is the correct size.
3.
Use a center punch to mark the center of the holes.
4.
On the wall, locate the marks for the mounting holes.
5.
Drill the holes to a depth of at least 1 1/2 inches (3.8 cm). Use M3.5 x 38 mm (#6 x
11/2 inch) screws with a flat underside and maximum screw head diameter of 9.0
mm to mount the SBG901.
6.
Using a screwdriver, turn each screw until part of it protrudes from the wall, as
shown in the following wall mounting screw dimensions illustration.
6.0 mm (.24 inches) maximum
9.0 mm (.35 inches) maximum
2.5 mm (.10 inches).
There must be .10 inches (2.5 mm) between the wall and the underside of the screw
head.
7.
Place the SBG901 so the keyholes on the back of the unit are aligned above the
mounting screws.
8.
Slide the SBG901 down until it stops against the top of the keyhole opening.
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Getting Started
23
After mounting, reconnect the coaxial cable input and Ethernet connection. Plug the
power cord into the +12VDC connector on the cable modem and the electrical outlet.
Route the cables so that they are not a safety problem.
Wall Mounting Template
You can print the following page to use as a wall mounting template.
Be sure you print it at 100% scale. In the Print dialogue window, be sure that Scale to
paper size is set to
No scaling
in the Print dialog box.
Measure the printed template with a ruler to ensure that it is the correct size.
Page 25 / 86
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24
4.00"
(10.20 cm)
4.00"
(10.20 cm)
Figure 1 Wall Mounting Template

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