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Wireless Cable Modem Gateway CGD24G User Manual
1-2
Connecting the Gateway to the Internet
v1.1, May 2009
Router Front Panel
The front panel of the CGD24G gateway contains status LEDs.
You can use the LEDs to verify connections.The following table lists and describes each LED on
the front panel of the CGD24G gateway.
Figure 1-2
Table 1-1.
LED Descriptions
LED
Description
Power
•
On
: Power is supplied to the gateway, and the gateway has completed its initialization.
•
Off
:
Power is not supplied to the gateway.
Cable Link
•
On (green)
: Configuration of the cable interface by your cable service provider is
complete.
•
Blink
: Both downstream and upstream links are established, but before configuration of
cable interface is complete.
•
Off
: Configuration of the cable interface is still in progress. The downstream and upstream
links have not been established yet.
Upstream
Link
•
On
: The gateway has completed its upstream ranging operation.
•
Blink
: The gateway has just powered up or it is getting upstream parameters or
performing its upstream ranging operation.
•
Off
:
The gateway’s self-test and initialization is complete but it has not completed the
downstream scan.
Page 17 / 90
Wireless Cable Modem Gateway CGD24G User Manual
Connecting the Gateway to the Internet
1-3
v1.1, May 2009
Router Rear Panel
The rear panel of the CGD24G gateway contains the connections identified below:
Downstream
Link
•
On
: The gateway has completed its downstream scan, and is performing upstream
operations, is completing configuration of the cable interface, or is fully functional with its
cable interface.
•
Blink
: The gateway has just powered up or it is performing a downstream scan.
•
Off
:
The gateway’s self-test and initialization is complete but it has not completed the
downstream scan.
Wireless
•
On
: The wireless access point is operating normally.
•
Blink
: Data is being transmitted or received on the wireless interface.
•
Blink in a fast pattern
: The gateway attempts to establish a connection to a wireless
client through Wi-Fi Protected Setup (WPS).
•
Off
: The wireless access point is disabled.
LAN
(Local Area
Network)
•
On (green)
: The port has detected link with a 100 Mbps device.
•
Blink (green)
: Data is being transmitted or received at 100 Mbps.
•
On (yellow)
:
The Local port has detected link with a 10 Mbps device.
•
Blink (yellow)
: Data is being transmitted or received at 10 Mbps.
•
Off
:
No link is detected on this port.
Figure 1-3
Table 1-1.
LED Descriptions (continued)
AC power adapter input
wireless antenna
reset button
USB port
4 Ethernet LAN ports
coaxial cable to your cable service provider
Page 18 / 90
Wireless Cable Modem Gateway CGD24G User Manual
1-4
Connecting the Gateway to the Internet
v1.1, May 2009
Router Side Panel
The side panel of the CGD24G gateway contains a WPS button. You can use the Wi-Fi Protected
Setup (WPS) feature with clients on the network that are Wi-Fi certified and WPA capable. See
“Using Push 'N' Connect (WPS) to Configure Your Wireless Network and Security” on page 2-10
.
What You Need Before You Begin
You need these three things before you can connect your gateway to the Internet:
•
A computer properly connected to the gateway as explained below.
•
Active Data Over Cable Internet service provided by cable modem account.
•
The Internet Service Provider (ISP) configuration information for your cable modem account.
Hardware Requirements
The CGD24G gateway connects to your LAN using either its twisted-pair Ethernet, USB, or
802.11b or 802.11g wireless port.
To use the CGD24G gateway on your network, each computer must have either an installed
Ethernet Network Interface Card (NIC), USB host port, or 802.11b or 802.11g wireless adapter. If
the computer will connect to your network at 100 Mbps, you must use a Category 5 (CAT5) cable
such as the one provided with your gateway.
LAN Configuration Requirements
For the initial connection to the Internet and configuration of your gateway, connect a computer to
the gateway which is set to automatically get its TCP/IP configuration from the gateway via
DHCP.
Figure 1-4
Note:
For help with DHCP configuration, see the link to the online document
“ITCP/IP
Networking Basics” in Appendix B
.
Page 19 / 90
Wireless Cable Modem Gateway CGD24G User Manual
Connecting the Gateway to the Internet
1-5
v1.1, May 2009
Connecting the Gateway
Follow these steps to install your gateway:
1.
Connect the gateway.
a.
Turn off your computer.
b.
Using the coaxial cable provided by your cable company, connect the gateway cable port
(A) to your cable line splitter or outlet.
c.
Connect the gateway to your computer with either an Ethernet or USB cable.
For an Ethernet connection, use the Ethernet cable that shipped with your gateway to
connect a LAN port (B)
to the Ethernet adapter in your computer.
Note:
First, install and set up the gateway using an Ethernet or USB connection to your
computer. Then configure the wireless settings. See
Chapter 2, “Wireless
Configuration
for instructions for wireless settings.
Figure 1-5
Warning:
The cable distribution system must be grounded in accordance with
ANSI/NFPA 70 and the National Electrical Code (NEC), in particular
section 820.93, Grounding of the Outer Conductive Shield of a
Coaxial Cable.
Note:
The USB connection option is only available for Windows PCs. Also,
Windows 95 does not support USB without special operating system
upgrades and patches.
A
Page 20 / 90
Wireless Cable Modem Gateway CGD24G User Manual
1-6
Connecting the Gateway to the Internet
v1.1, May 2009
For a USB connection, connect the USB cable to the USB port on your gateway and to a
USB port on your computer.
d.
Connect the power adapter to the gateway, and plug it into an outlet.
e.
Wait about 30 seconds for the lights to stop blinking, and then verify the following:
The power light is lit.
The cable link light is solid green, indicating a link has been established to the cable
network.
f.
Turn on your computer. If software usually logs you in to your Internet connection, do not
run that software or cancel it if it starts automatically.
2.
For an Ethernet connection, go to
step 3
. For a USB connection, install the USB driver.
a.
Insert the
Resource CD
that came with your gateway into the CD drive of your computer.
The Found New Hardware Wizard detects the gateway and prompts for the driver.
Figure 1-6
Note:
The CGD24G gateway uses Auto Uplink
TM
technology. Each local
Ethernet port senses whether the cable plugged into the port is attached to
a PC, or is attached to a switch or hub, which requires an uplink
connection. The port configures itself to accommodate either type of
cable. This eliminates the need for crossover cables.
B

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