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Connecting to the Internet
6
N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Unpack Your Modem Router
Open the box and remove the modem router, ethernet cable, power adapter, and installation
guide,
Figure 1. Package contents
You box contains the following items:
N450/CG3000Dv2 WiFi Cable Modem Router
Ethernet cable
AC power adapter (varies by region)
Installation guide
Hardware Features
Before you cable your router, take a moment to become familiar with the front and back
panels. Pay particular attention to the LEDs on the front panel.
Modem router
Ethernet cable
Power adapter
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N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Front Panel
The router front panel has the following status LEDs and buttons:
Figure 2. Modem router front view
You can use the LEDs to verify status and connections. The following table lists and describes
each LED and button on the front panel of the modem router.
Table 1.
LEDs and buttons
LED
Description
Power
Solid green
. The modem router has power.
Blinking green
. The modem router is powering on.
Blinking red
. The modem router is performing a self-test or the thermal cutoff circuit has
been triggered.
Off
. The modem router is not receiving power.
Downstream
Solid blue
. More than one downstream channel is locked.
Solid green
. One downstream channel is locked.
Blinking green
. The modem router is scanning for a downstream channel.
Off
. No downstream channel is locked.
WPS LED
Wireless LED
USB port
Power LED
Downstream LED
Upstream LED
Internet LED
LAN LEDs
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N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Upstream
Solid blue
. More than one upstream channel is locked.
Solid green
. One upstream channel is locked.
Blinking green
. The unit is ranging on the upstream.
Off
. No downstream channel is locked.
Internet
Solid green
. The modem router is connected to the Internet.
Slow blink
. The modem router is receiving DHCP information.
Fast blink
. The modem router is downloading the configuration file.
Off
. The modem router is not connected to the Internet.
LAN
Green indicates 1,000/100 Mbps. Amber indicates 10 Mbps.
Solid
. A power-on device is connected to the LAN port.
Blinking
. The LAN port is transmitting or receiving data.
Off
. No device is connected to a LAN port.
Wireless
On/Off
Pressing this button for three seconds turns on the wireless radio.
Solid green
. The wireless radio is operating.
Blinking green
. Data is being transmitted or received over the WiFi link.
Off
. The wireless radio is off.
WPS
Pressing this button opens a two-minute window for the modem router to connect with other
WPS-enabled devices. For more information, about using the WPS method to implement
security, see the
Use WPS Wireless Setup
on page
20.
Table 1.
LEDs and buttons
LED
Description
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N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Back Panel
The back panel has the following ports, button, and connector:
Figure 3. Modem router rear panel
The rear panel includes the following connectors and button, viewed from top to bottom:
Four Gigabit LAN ports
. To connect local computers, use these ports.
USB port
. To connect a USB hard drive or flash drive, use this port.
Reset
.
To set the modem router to the original factory settings, press and hold the
Reset
button for over seven seconds. See
Factory Default Settings
on page
86.
Coaxial cable connector
. Attach a coaxial cable to the cable service provider’s
connection.
Power
. Power adapter input.
LAN ports
Coaxial cable connector
USB port
Power adapter input
Reset button
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N450 WiFi Cable Modem Router Model N450/CG3000Dv2
Label
The label on the modem router shows the router’s WiFi network name (SSID), password,
serial number, and MAC address.
Figure 4. Label
For information about the Restore Factory Settings button and the factory setting values, see
Factory Default Settings
on page
86.
Position Your Modem Router
The modem router lets you access your network anywhere within the operating range of your
wireless network. However, the operating distance or range of your wireless connection can
vary significantly depending on the physical placement of your modem router. For example,
the thickness and number of walls the wireless signal passes through can limit the range.
Additionally, other wireless access points in and around your home might affect your modem
router’s signal. Wireless access points are modem routers, repeaters, WiFi range extenders,
or any other device that emits a wireless signal for network access.
To position your modem router:
1.
Place your modem router near the center of the area where your computers and other
devices operate, and within line of sight to your wireless devices.
2.
Make sure that the modem router is within reach of an AC power outlet and near Ethernet
cables for wired computers.
3.
Place the modem router in an elevated location, minimizing the number walls and ceilings
between the modem router and your other devices.
4.
Place the modem router away from electrical devices such as these:
Ceiling fans
MAC address
WiFi network name (SSID)
Serial number
Password (key)

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