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Page 16 / 72 Scroll up to view Page 11 - 15
Installing Your Gateway
Finding a Suitable Location
Your SMCD3GN Wireless Cable Modem Gateway can be installed in any location with
access to the cable network. All of the cables connect to the rear panel of the Gateway for
better organization and utility. The LED indicators on the front panel are easily visible to
provide you with information about network activity and status.
For optimum performance, the location you choose should:
y
Be close to a working AC power outlet.
y
Allow sufficient air flow around the Gateway to keep the device as cool as possible.
y
Not expose the Gateway to a dusty or wet environment.
y
Be an elevated location such as a high shelf, keeping the number of walls and ceilings
between the Gateway and your other devices to a minimum.
y
Be away from electrical devices that are potential sources of interference, such as ceiling
fans, home security systems, microwaves, or the base for a cordless phone.
y
Be away from any large metal surfaces, such as a solid metal door or aluminum studs.
Large expanses of other materials such as glass, insulated walls, fish tanks, mirrors,
brick, and concrete can also affect your wireless signal.
Connecting to the LAN
Using an Ethernet LAN cable, you can connect the Gateway to a desktop computer,
notebook, hub, or switch. Your Gateway supports auto-MDI/MDIX, so you can use either a
standard straight-through or crossover Ethernet cable.
1. Connect either end of an Ethernet cable to one of the four
LAN
ports on the rear panel of
the Gateway (see Figure 3).
Figure 3. Connecting to a LAN Port on the Gateway Rear Panel
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SMCD3GN Wireless Cable Modem Gateway User Manual
Page 17 / 72
Installing Your Gateway
2. Connect the other end of the cable to your computer’s network-interface card (NIC) or to
another network device (see Figure 4).
Figure 4. Connecting the Gateway to the a Laptop or Desktop Computer
Connecting the WAN
To connect your Gateway to a Wide Area Network (WAN) interface:
1. Connect a coaxial cable to the port labeled
Cable
on the rear panel of the Gateway from a
cable port in your home or office (see Figure 2 on page 13). Use only manufactured coaxial
patch cables with F-type connectors at both ends for all connections.
2. Hand-tighten the connectors to secure the connection.
3. If the modem was not installed by your cable provider (ISP) or is replacing another cable
modem, contact your cable operator to register the SMCD3GN. If the modem is not
registered with your cable operator, it will be unable to connect to the cable network
system.
Powering on the Gateway
After making your LAN and WAN connections, use the following procedure to power on the
Gateway:
1. Connect the supplied power adapter to the port labeled
12VDC
on the rear panel of the
Gateway (see Figure 2 on page 13).
2. Connect the other end of the power adapter to a working power outlet. The Gateway
powers on automatically, the
POWER
LED on the front panel goes ON, and the other front
panel LEDs show the Gateway’s status (see Table 1 on page 12).
WARNING:
Only use the power adapter supplied with the Gateway. Using a different power
adapter can damage your Gateway and void the warranty.
17
SMCD3GN Wireless Cable Modem Gateway User Manual
Page 18 / 72
18
SMCD3GN Wireless Cable Modem Gateway User Manual
3 Configuring Your Computer for TCP/IP
After you install your SMCD3GN Wireless Cable Modem Gateway, configure the TCP/IP
settings on a computer that will be used to configure your Gateway. This chapter describes
how to configure TCP/IP for various Microsoft Windows and Apple Macintosh operating
systems.
The topics covered in this chapter are:
y
Configuring Microsoft Windows 2000 (page 19)
y
Configuring Microsoft Windows XP (page 20)
y
Configuring Microsoft Windows Vista (page 21)
y
Configuring an Apple
®
Macintosh
®
Computer (page 23)
Page 19 / 72
Configuring Your Computer for TCP/IP
Configuring Microsoft Windows 2000
Use the following procedure to configure your computer if your computer has Microsoft
Windows 2000 installed.
1. On the Windows taskbar, click
Start
, point to
Settings
, and then click
Control Panel
.
2. In the Control Panel window, double-click the
Network and Dial-up Connections
icon. If
the Ethernet adapter in your computer is installed correctly, the
Local Area Connection
icon appears.
3. Double-click the
Local Area Connection
icon for the Ethernet adapter connected to the
Gateway. The Local Area Connection Status dialog box appears (see Figure 5).
Figure 5. Local Area Connection Status Window
4. In the Local Area Connection Status dialog box, click the
Properties
button. The Local
Area Connection Properties dialog box appears.
5. In the Local Area Connection Properties dialog box, verify that
Internet Protocol (TCP/IP)
is checked. Then select
Internet Protocol (TCP/IP)
and click the
Properties
button.
6. Click
Obtain an IP address automatically
to configure your computer for DHCP.
7. Click the
OK
button to save this change and close the Local Area Connection Properties
dialog box.
8. Click
OK
button again to save these new changes.
9. Restart your computer.
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SMCD3GN Wireless Cable Modem Gateway User Manual
Page 20 / 72
Configuring Your Computer for TCP/IP
Configuring Microsoft Windows XP
Use the following procedure to configure a computer running Microsoft Windows XP with the
default interface. If you use the Classic interface, where the icons and menus resemble
previous Windows versions, perform the procedure under “Configuring Microsoft Windows
2000” on page 19.
1. On the Windows taskbar, click
Start
, click
Control Panel
, and then click
Network and
Internet Connections
.
2. Click the
Network Connections
icon.
3. Click
Local Area Connection
for the Ethernet adapter connected to the Gateway. The
Local Area Connection Status dialog box appears.
4. In the Local Area Connection Status dialog box, click the
Properties
button (see Figure 6).
The Local Area Connection Properties dialog box appears.
Figure 6. Local Area Connection Status Window
5. In the Local Area Connection Properties dialog box, verify that
Internet Protocol (TCP/IP)
is checked. Then select
Internet Protocol (TCP/IP)
and click the
Properties
button. The
Internet Protocol (TCP/IP) Properties dialog box appears.
6. In the Internet Protocol (TCP/IP) Properties dialog box, click
Obtain an IP address
automatically
to configure your computer for DHCP. Click the
OK
button to save this
change and close the Internet Protocol (TCP/IP) Properties dialog box.
7. Click the
OK
button again to save your changes.
8. Restart your computer.
20
SMCD3GN Wireless Cable Modem Gateway User Manual

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