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2
Getting Started
Inside the Box
Before you install the CH7486E Wireless Gateway, verify that the following items
are included in the box with the CH7486E:
Item
Description
Power Adapter
Connect the CH7486E to an AC electrical
outlet
WiFi Sticker Card
For user placing the WiFI SSID/Password
information for 2.4GHz and 5GHz for future
use.
Ethernet Cable
Connect the CH7486E to PC or Notebook
You must have the latest service packs and patches installed on your computer for
your operating system.
You will need a 75-ohm coaxial cable with F-type connectors to connect the
CH7486E to the nearest cable outlet. If a TV is connected to the cable outlet, you
may need a 5 to 900 MHz RF splitter and two additional coaxial cables to use the
TV and the CH7486E.
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Before You Begin
Take the following precautions before installing the CH7486E:
Postpone installation until there is no risk of thunderstorm or lightning activity in
the area.
To avoid potential shock, always unplug the power cord from the wall outlet
or other power source before disconnecting it from the CH7486E rear panel.
To prevent overheating the CH7486E, do not block the ventilation holes on
the sides of the unit. Do not open the unit. Refer all service to your Internet
Service provider.
Check that you have the required cables, adapters, and adapter software. Verify
that the proper drivers are installed for the Ethernet adapter on each networked
computer. For information on WLAN setup, see
Setting Up Your Wireless LAN
.
System Requirements
Your computer must meet the following minimum requirements:
Computer with Pentium
©
class or better processor
Any web browser, such as Microsoft Internet Explorer, Netscape Navigator
®
, or
Mozilla
®
Firefox
®
Position Your Wireless Router
The CBN CG7486E Wireless Gateway lets you access your network from 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 Gateway. For example, the thickness and number of walls the
wireless signal passes through can limit the range. For best results, place your router:
First and foremost, don't settle prematurely on a location for the wireless
access point or router. Experiment; try placing the device in several different
promising locations. While trial-and-error may not be the most scientific way to
find a good spot for your equipment, it is often the only practical way to
assure the best possible Wi-Fi performance.
Strive to install the wireless access point or router in a central location. If you
have only one wireless client, installing the base station near this client is best.
For WLANs with multiple wireless clients, find a good compromise position.
Clients too far away from the base station will manage only 10% - 50%
the bandwidth of clients nearby to it. You might need to sacrifice the network
performance of one client for the good of the others.
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Next, avoid physical obstructions whenever possible. Any barriers along the
"line of sight" between client and base station will degrade a Wi-Fi radio
signal. Plaster or brick walls tend to have the most negative impact, but really
any obstruction including cabinets or furniture will weaken the signal to some
degree. Obstructions tend to reside closer to floor level; therefore, some folks
prefer to install their wireless access point / router on or near the ceiling.
Avoid reflective surfaces whenever possible. Some Wi-Fi signals literally
bounce off of windows, mirrors, metal file cabinets and stainless steel
countertops, lessening both network range and performance.
Install the wireless access point or router at least 1 m (3 feet) away from other
home appliances that send wireless signals in the same frequency range.
Such appliances include some microwave ovens, cordless telephones, baby
monitors, and home automation equipment like X-10 devices. Any appliance
that transmits in the same general range as802.11b or 802.11g (2.4 GHz) can
generate interference.
Likewise, install the unit away from electrical equipment that also generates
interference. Avoid electric fans, other motors, and flourescent lighting.
Note: To get better wireless coverage, please put your
CG7486E wireless gateway VERTICALLY ONLY
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14
Connecting the CH7486E
Before starting, be sure the computer is turned on and the CH7486E power cord is
unplugged.
1.
Connect one end of the coaxial cable to the cable outlet or splitter.
2.
Connect the other end of the coaxial cable to the Cable connector on the
CH7486E. Hand-tighten the connectors to avoid damaging them.
3.
Plug the power cord into the Power port on the CH7486E.
4.
Plug the other end of the power cord into an electrical wall outlet.
This automatically powers on the gateway. You do not need to unplug the
gateway when it is not in use. The first time you plug in the CH7486E, allow it 5
to 30 minutes to find and lock on the appropriate communications channels.
5.
Plug the other end of the telephone cord of a single or two-line telephone
into the
TEL 1/2
port on the rear of the CH7486E.
6.
Plug the telephone cord of a single or two-line telephone into the telephone.
7.
Connect the Ethernet cable to the Ethernet port on the computer, and
connect the other end of the Ethernet cable to the Ethernet port on the
gateway.
8.
Check that the LEDs on the front panel cycle through the following sequence:
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CH7486E LED Activity During Startup
LED
Description
POWER
Turns on when AC power is connected to the CH7486E.
Indicates that the power is connected properly.
ONLINE
Flashes during CH7486E registration and configuration.
Changes to solid green when the CH7486E is registered
successfully and ready for Internet access
Setting Up Internet Access
After installing the CH7486E, check that you can connect to the Internet. You can
retrieve an IP address for your computer’s network interface using one of the
following options:
Retrieve the statically defined IP address and DNS address
Automatically retrieve the IP address using the Network DHCP server
The CBN CH7486E Wireless Gateway provides a DHCP server on its LAN. It is
recommended that you configure your LAN to obtain the IPs for the LAN and DNS
server automatically.
Make sure all computers on your LAN are configured for TCP/IP. After configuring
TCP/IP on your computer, you should verify the IP address.
Note
:
For UNIX or Linux systems, follow the instructions in the
applicable user documentation.
Configuring TCP/IP in Windows XP
1.
Open the Control Panel.
2.
Double-click Network Connections to list the Dial-up and LAN or High-Speed
Internet connections.
3.
Right-click the network connection for your network interface.
4.
Select Properties from the drop-down menu to display the Local Area
Connection Properties window. Be sure Internet Protocol (TCP/IP) is checked.
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.

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