IOGear Network Card GHPB21 User Manual

HomePlug to Ethernet Bridge  
User Manual (GHPB21)  
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Welcome  
Thank you for purchasing one of the most user-friendly networking devices on the market. IOGEAR’s HomePlug  
to Ethernet Bridges are first-class networking devices designed to network your computers at home (or in your  
small office). This device allows you to set up your home network via the most pervasive medium in your house  
– the home power lines. It is easy to set up, and it doesn’t require any additional wiring in the house.  
To better serve you, IOGEAR offers an array of additional USB 2.0, USB 1.1, FireWire, KVM, and other  
peripheral products. For more information or to purchase additional IOGEAR products, visit us at  
We hope you enjoy using your IOGEAR HomePlug to Ethernet Bridge, another first-rate connectivity solution  
from IOGEAR.  
©2003 IOGEAR. All Rights Reserved. PKG-M0066  
IOGEAR, the IOGEAR logo, MiniView, VSE are trademarks or registered trademarks of IOGEAR, Inc. Microsoft and  
Windows are registered trademarks of Microsoft Corporation. IBM is a registered trademark of International Business  
Machines, Inc. Macintosh, G3/G4 and iMac are registered trademarks of Apple Computer, Inc. IOGEAR makes no  
warranty of any kind with regards to the information presented in this document. All information furnished here is for  
informational purposes only and is subject to change without notice. IOGEAR, Inc. assumes no responsibility for any  
inaccuracies or errors that may appear in this document.  
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Table of Contents  
Technical Support  
Product Specifications  
Limited Warranty  
67  
69  
70  
Overview  
02  
03  
04  
05  
07  
14  
27  
27  
38  
40  
43  
48  
59  
63  
Features  
Requirements  
Introduction  
Installation  
Network Configuration  
Networking Basics  
- Network Setup Wizard  
- Checking IP Address  
- Assign a Static IP address  
- Sharing Disks/Folders  
- Sharing Printers  
- Accessing the Internet  
Troubleshooting  
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Overview  
IOGEAR's HomePlug Powerline Network Ethernet Bridge allows you to network your home comput-  
ers through the electric power lines in the house. Setting up a home network has never been so  
simple, just connect your computer to the HomePlug Bridge via the CAT5 patch cable provided in the  
package, and then plug the power end to your AC power outlet, you are connected!  
This unit is compliant to HomePlug Powerline Specification 1.0 and offers up to 14 Mbps bandwidth  
while being less prone to interference. By offering 56-bit DES encryption, it is also much more  
secure than other home networking technologies such as wireless Ethernet.  
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Features  
• No extra wires, using the most pervasive medium in your home - power lines  
• Allows multiple computers to share Internet access, printers, and other resources through the  
power lines  
• Very easy and intuitive to set up and install  
• HomePlug Powerline Specification 1.0 compliant  
• Up to 14 Mbps bandwidth  
• Up to 990' distance through the power lines, far enough for most households  
• Worldwide compatibility  
• Low risk of interference by other RF sources  
• 56-bit DES encryption assures data security  
• Signal will not pass power meter, thus keeping the data safe in the house  
• Encryption done by hardware, with no sacrifice on bandwidth  
• Most reliable home networking technology  
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Requirements  
System Requirements  
• Available AC power outlets in the room.  
• Standard home power line wiring.  
• Computers with 10/100Base-T adapters, or 10/100Base-T switch/hub.  
• When used as a node: Windows 98SE, ME, 2000, XP.  
• When used as a bridge: any operating system (OS transparent).  
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Introduction  
IOGEAR's HomePlug to Ethernet Bridge allows you to network your computers via your existing  
home power lines. It offers a data transmission speed of up to 14 Mbps, and reaches up to 990 feet  
through standard power lines.  
Package contents:  
1. HomePlug to Ethernet Bridge  
2. CAT5 patch cable  
3. Power cable  
4. User Manual  
5. Warranty Registration Card  
1.  
2.  
3.  
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Introduction  
FrontView:(Drawing)  
Front View  
1. Power LED - lights up in green when plugged into  
a power outlet  
2. Collision LED - lights up in green whenever there  
is collision  
3. Link LED - lights up in green after plugged into a  
power outlet  
1.  
2. 3. 4.  
5.  
6.  
4. ACT LED - blinks in green when there is network  
activity  
5. LINK/ACT LED - blinks when data is sent through  
Homeplug Connection  
Back View  
6. Ethernet port - connecting to the computer  
BackView:  
1. Power port - connecting to the wall outlet  
1.  
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Installation  
There are several ways to network your computers using the HomePlug Bridge. Before we get  
started, please NOTE:  
Do not place HomePlug devices under direct sunlight or near high heat emitting devices;  
Do not place HomePlug devices near water or wet surfaces to avoid electric hazards;  
Do not place HomePlug devices on any moving or unstable surfaces;  
It is recommended that you plug the HomePlug devices directly into the wall outlets, not to any power  
adapters, surge protectors or any device that filters signals.  
If you plan to use this unit as a BRIDGE, not as a NODE; there is a limitation of having sixteen  
BRIDGES PER NETWORK, (refer to the NetworkTerms for details):  
1. Remove the HomePlug Bridge, the power cord, the CAT5 cable and the installation CD from the package.  
2. Allocate a space for the adapter's placement. Make sure you avoid the places mentioned above.  
3. Plug one end of the CAT5 cable into the Ethernet port on the computer, and the other end into the Ethernet port  
of the bridge.  
4. Plug the power cord into the HomePlug bridge and wall outlet.  
5. At this point, the Power and Link LED should be on, and you should see the ACT (Activity) LED start blinking.  
6. Turn on your computer and set up your networks (refer to Network Basics for more information).  
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Installation  
If you plan to use this unit as a  
NODE, not as a BRIDGE (refer to  
the Network Terms for details):  
1. Remove the HomePlug Bridge, the  
power cord, the CAT5 cable and the  
installation CD from the package.  
2. Allocate a space for the adapter's  
placement. Make sure you avoid the  
places mentioned on the previous  
page.  
3. Make sure that your HomePlug bridge  
is NOT CONNECTED TO THE  
COMPUTER before you install the  
driver.  
4. Insert the installation CD. If CD does  
not automatically load, run (CD Drive  
Letter):\setup.exe.  
5. Click Next.  
(Note:When used as node,the bridge uses the same driver as the homeplug USB adapter.)  
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Installation  
6. Read, understand and accept the  
License Agreement and Con-  
tinue by clicking Next.  
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Installation  
7. Enter a username and organiza-  
tion name, and continue installa-  
tion. (Username and Organization  
have no importance in device op-  
eration. This window might look  
slightly different on other platforms.)  
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Installation  
8. Click Install to start the Installa-  
tion Wizard:  
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Installation  
9. After the installation is successful, a window  
will pop up prompting for the installation of  
the HomePlug Bridge. Plug in the CAT5  
cable, one end into the Ethernet port on the  
HomePlug Bridge, the other end into an  
available network port on your computer.  
Please verify that the green Power LED and  
Link LED on the HomePlug Bridge light up.  
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Installation  
10. You have reached the end of your installation.  
Please restart your computer for changes to  
go into effect.  
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Network Configuration  
After restarting the computer, you can see the HomePlug utility icon.  
1. Double click the icon to start the HomePlug  
Configuration utility. The utility is used to  
configure the HomePlug.  
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Network Configuration  
2. Once the utility starts, it will display the MAC  
address of the device your computer is  
connected to as well as the signal strength.  
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Network Configuration  
3. The Network tab displays the additional  
HomePlug devices on the network. Click  
on the “Scan” button to scan for additional  
devices on the HomePlug network.  
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Network Configuration  
4. The Security tab displays the Network  
Password. The default Network  
Password is HomePlug.  
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Network Configuration  
5. The Advanced tab is where you can set the  
Network Password on all of the HomePlug  
devices at once. This way, you don’t have to  
connect to each device and set the  
password one by one.  
Network Password – Displays the Network  
Password.  
Device Password – This is where you enter the  
password located on the bottom of you  
HomePlug device. Once you enter the  
password and click “Add.This will add that  
device to the “Remote Passwords” field.  
Remote Passwords – This field displays the  
password for devices you added. Once  
you’ve finished adding all the HomePlug  
devices on your network, press the “Set All”  
button. This will change the Network  
Password on all the devices listed.  
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Network Configuration  
6. This screen displays the version number  
of the utility. Click OK to complete the  
configuration.  
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Network Configuration  
7. Go to network connection, you can see  
that the CAT5 connection is enabled and  
that the ACT LED in the unit blinks.  
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Network Configuration  
NetworkTerms  
What is a node?  
A node is any given device that resides or is connected onto an existing network. A computer with a  
network card connected to a switch is a node. The same thing applies to a Mac connected to a hub.  
What is a bridge?  
A bridge is used when connecting one side of the network with another network. Previously, connecting  
every computer together with the other network would mean having cables all over the place. Instead  
a bridge was brought in to have 1 connection between the networks instead of 20. The bridge in the  
HomePlug terms functions like a concentration device that connects many computers onto the HomePlug  
network using 1 HomePlug device.  
How do I know if I require a node or a Bridge?  
If you want to connect only one computer to the Power line network, you need a node. If you plan to  
connect a group of computers currently not HomePlug ready to the Power line network, you need a  
bridge. The HomePlug USB adapter can only be used as a node. The HomePlug Ethernet Bridge can  
be used as either a node or bridge. It is designed as a bridge in default; the only way to turn it off is to  
install the utility software that comes with the unit. That will turn the bridge into a node. If used as bridge,  
there is a limitation of having sixteen bridges on the same Power line network.  
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Network Configuration  
You will have to use bridges to connect two Macintoshes, because the utility software is only compatible  
with Windows-based computers.  
Can I use both in the same network?  
Yes. It is possible to have both nodes and bridges on a network as long as there is only a maximum  
of 16 bridges. It is also fine to have USB nodes on the same network with Ethernet nodes.  
How do I decide whether I need a USB adapter or Ethernet bridge as a node?  
It should be determined by the available connection on the computer that you plan to connect to the  
HomePlug network. If the computer comes with a 10/100 Base-T network card, use the bridge; if the  
computer comes with USB port, use the USB adapter. If the computer comes with both, you can  
decide which one to use based upon your unique situation.  
For Macintosh and other non-Windows based computers, the Ethernet Bridge is the only choice.  
HomePlug NetworkTopologies  
There are various ways to connect your computers via HomePlug. If all HomePlug units are used as nodes,  
the topology is usually BUS. If bridges are used to connect two networks together, there maybe both BUS  
and STAR.The following are several examples.  
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Network Configuration  
a. Using the HomePlug to USB Adapter ONLY  
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Network Configuration  
b. Using the HomePlug Ethernet Bridge (Node Mode)  
(Several HomePlug Bridges can be used)  
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Network Configuration  
c. Using the HomePlug USB Adapter AND Ethernet Bridge (Node Mode)  
25  
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Network Configuration  
d. Using the HomePlug Ethernet bridge to make a sub network HomePlug ready to communicate with  
the other HomePlug nodes. (Maximum 16 Homeplug Bridges can be used.)  
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Networking Basics  
Prior to installing HomePlug, you may have had some ideas about using your new network. This  
section will help you get started on those ideas or even give you some new ones. It will go through  
the process of sharing files, printing from any computer on the network, or accessing the Internet on  
multiple computers with one connection. Please note that this section is just an outline of a few  
networking basics and not intended to be a comprehensive guide to networking.  
Topic 1: Using Network Setup Wizard in Windows XP/2000  
In the following section, you will learn how to set up a network at a home or business, using Microsoft  
Windows XP/2000.  
Go to My Computer>Control Panel>Network Connections.  
Select "Set up a home or small office network".  
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Networking Basics  
Click "Next" in the window(right) for the  
Network Setup Wizard.  
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Networking Basics  
Read and follow the instructions in the  
following window and then click "Next".  
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Networking Basics  
In the following window, select among  
the 3 options which best describe this  
computer and then click "Next". If your  
computer connects to a broadband router/  
gateway, select the second option.  
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Networking Basics  
Fill in the information in the following  
window as you desire and then click  
"Next”.  
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Networking Basics  
Enter the Workgroup name as you  
wish and then click "Next". (Very  
important: All computers on your  
network should have the same  
Workgroup.  
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Networking Basics  
Review the setting in the following screen,  
and click "Next" to continue. If you want to  
change any settings, you need to click  
"Back" and start over again.  
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Networking Basics  
Please wait while the Network Setup Wiz-  
ard applies the changes and configures the  
computer.  
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Networking Basics  
When the configuration is done, the follow-  
ing screen will come up. Select one of the 4  
options according to your needs. (In this  
example, the last choice was selected.)  
Click “Next.”  
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Networking Basics  
Then click "Finish" on this next  
window.  
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Networking Basics  
The new setting will take effect after you restart the computer. Click "Yes" to restart the  
computer.  
Congratulations, you have completed configuring this computer! After setting up networks on  
all your computers on the network, you will be able to use your HomePlug network to share  
files, printers, and Internet connections.  
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Networking Basics  
Topic 2: Checking IP ad-  
dresses in Windows XP/  
2000  
Go to  
Start>Programs>Accessories>  
Command Prompt.  
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Networking Basics  
Type "ipconfig" at the prompt, then press Enter.  
You will see the IP address of this computer.  
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Networking Basics  
Topic 3: Assigning a Static IP Address  
(Note: If you use DHCP-capable gateway/router,  
you don't need to assign any static IP addresses  
because the gateway/router will automatically as-  
sign IP addresses to the computers on the net-  
work.)  
Go to Start>Settings>Control Panel>Network  
Connections>Local Area Connection  
Right click on Local Area Connection, then double  
click on Properties, you will see a window similar  
to this:  
Select “Internet Protocol (TCP/IP)” and then click  
on Properties.  
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Networking Basics  
At the following window, select "Use the  
following IP address:", and fill in the desired IP  
address and subnet mask (it is recommended  
to use the default subnet mask as shown in the  
following window. Subnet mask must be the  
same for all the computers on the network.)  
If you need to enter DNS address, you must enter  
the address of the default gateway.  
Click on "OK".  
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Networking Basics  
Click "Close" on the Local Area Connection Properties  
window.  
You have completed static IP address assignment.  
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Networking Basics  
Topic 4. Sharing Disks/Folders  
Once the network has been checked / configured, you can access other systems via "My Network  
Places". To allow other systems to access data on your disks / in your folders, you have to give  
permission to share your disks and/or folders.  
1. Select the disk (or the folder) to be shared (for example in "My Computer") and right-click on the  
icon of the disk to get the Context / popup-menu; select "Sharing and Security."  
It is recommended to share only folders instead of the disk drive to avoid any security related  
issues.  
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Networking Basics  
Once you have selected the  
folder to be shared, right-click  
to select “sharing and secu-  
rity.”  
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Networking Basics  
2. In the following window, click to select "Share this  
folder". Then click on "Permission".  
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Networking Basics  
3. Please note that by default, all users defined on  
your XP Professional system will have full  
permissions. You can reduce the permissions  
(for example to allow only Read-access) and/or  
you could add a different group of users to have  
access permission (but then you should delete  
the group "Everyone" from this list).  
In the following Permission settings, make sure  
you are giving the right permissions and then  
click OK to accept the settings.  
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Networking Basics  
4. Click OK on the original Sharing and Security  
window to conclude the process.  
5. Once a disk or folder is shared, the icon will  
show it via the "holding hand.”  
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Networking Basics  
Topic 5. Share Printers  
You may now share any installed  
printers connected to this computer  
with other computers on your net-  
work.  
1. Using the computer that has the  
printer already connected to it, go  
to: Start > Control Panel > Print-  
ers and Faxes.  
Click on the printer you want to  
share with others on the network  
and select "Share this printer".  
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Networking Basics  
2. In the following window, click on "Share this  
Printer" and type in the share name you  
would like. After this is done, click on "Ap-  
ply" and then "OK".  
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Networking Basics  
Now when you go to "Print-  
ers and Faxes" in the  
Control Panel, you will see  
the supporting hand under-  
neath the printer, which  
means that the printer is  
being shared in the net-  
work.  
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Networking Basics  
For a computer to access a Network  
Printer, the device driver or software  
for that printer must be installed and  
pointed to the proper location of the  
printer. This is done similarly to the  
way you installed the printer on the  
computer it is connected to.  
1. Go to a computer that is not  
connected to the printer and select  
"Start" from the Task Bar "Control  
Panel" then "Printers and other  
Hardware".  
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Networking Basics  
2. Click on "Add a printer".  
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Networking Basics  
3. Select the network printer  
option and click Next.  
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Networking Basics  
4. Find the printer you would  
like to share and click  
Next.  
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Networking Basics  
Decide if you would like to  
choose this printer as a  
default printer and  
click Next.  
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Networking Basics  
You have now added the  
printer to your computer,  
click Finish.  
Now you may use the  
Network Printer as if it was  
directly connected to  
the computer. Make sure  
that the computer which is  
directly connected to the  
printer is on.  
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Sharing Internet Access  
Topic 6. Sharing Internet Access  
So how can the Internet connection be shared among other computers on the HomePlug  
network?  
Since neither the HomePlug Bridge nor USB Adapter are capable of routing at this time, a  
router is necessary in order to share an Internet connection. Future versions of the HomePlug  
Bridge or USB Adapter may feature built-in routing capabilities.  
The following items are required for successfully sharing the Internet connection:  
One (1) Router  
One (1) HomePlug Bridge  
One (1) DSL/Cable Modem  
Active ISP Service for the DSL/Cable Modem  
CAT5 Cables  
Also all computers that share the Internet connection must be connected to a  
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Sharing Internet Access  
HomePlug to USB Adapter or a HomePlug Bridge.  
Please note that sixteen HomePlug Bridges are allowed on one network if used as bridges  
(without installation of the software).  
Please follow these steps for setting up Internet Sharing:  
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Sharing Internet Access  
a. Make sure that the DSL/Cable modem is connected to the Router (using the WAN port  
on the router.)  
b. Connect the HomePlug Bridge to the Router (using the Uplink port on the router.)  
c. Check the link light on the HomePlug Bridge. It must light up green.  
d. Make sure that the computers that need access to the Internet via the HomePlug  
network are each connected to a HomePlug Adapter or a HomePlug Bridge and  
reside on the same power grid.  
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Sharing Internet Access  
Checking Router Settings:  
Please make sure that the following settings on your router are set:  
(The setup windows will depend on the router manufacturer's software.)  
A) The IP should be obtained automatically;  
B) DHCP must be enabled;  
C) Release DHCP and then Renew DHCP to reset the IP Addresses. It is recom-  
mended that you verify that IP Addresses are obtained.  
Once all the above steps have been completed, all HomePlug connected computers will be  
able to access the Internet.  
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Troubleshooting  
Frequently Asked Questions/Troubleshooting  
1. Will HomePlug work in my house or apartment?  
If the house or apartment was built under U.S. building standards using copper wiring, then  
it will work.  
2. What types of security problems will I be facing?  
If your house is on the same power grid as your neighbor, then there is a potential for a  
hacker to get in through your neighbor's house. However, this is easily remedied by  
activating the encryption key on the HomePlug device.  
3. Will HomePlug work with Mac?  
There is currently no software that supports Macs. However, the HomePlug Ethernet Bridge  
will work with Mac when used as a bridge. Also, by installing Virtual PC software on a  
Mac, you will be able to install the windows based software under Virtual PC and have  
this Mac communicate with other PCs on HomePlug network.  
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Troubleshooting  
4. What is the difference between bridge mode and node mode in the HomePlug Ethernet  
Bridge (GHPB21)?  
Bridge mode operates without software installation and can work with any 10/100Base-T or  
10Base-T Ethernet connections. By connecting the bridge to a router, switch, or Ethernet  
based device (XBOX, PlayStation, WebTablet, PocketPC, Computer, etc.), you will be able  
to make these devices bridge onto the HomePlug network.  
Node mode operates by connecting the HomePlug USB adapter (GHPU21) or Ethernet  
bridge (GHPB21) to one computer (ONLY) and installing drivers onto the computer,  
allowing it to set the device into Node Mode. The advantage with Node Mode operation  
is there is no limitation to the number of nodes that can operate on a HomePlug network.  
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Troubleshooting  
5. Will HomePlug operate on different Circuit Breakers?  
Yes. Circuit breakers do not affect performance of HomePlug devices, however the  
signal will not pass through the power transformers outside your house.  
6. Can Neighbors get my HomePlug signal?  
It is possible for your immediate (next door) neighbor to receive residual signal from your  
HomePlug adapter. Unlikely, but possible. To prevent your neighbors from hacking your  
network, the best thing you can do is type a different encryption password into your device  
when setting the encryption password. Note: All devices must have the same password to  
be on one network. If devices do not have the same encryption password, they will not  
be able to communicate with each other.  
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Troubleshooting  
7. What OS does the HomePlug utility software fully support?  
Windows 98SE, ME, XP, and 2000. Windows NT and Mac are only supported by the  
HomePlug Ethernet Bridge (Without installing the HomePlug software with default oper-  
ating mode as BRIDGE, not NODE)  
8. What is the Range of HomePlug?  
Approximately 990 feet (300 meters) in wall power lines.  
9. How does 56bit-DES compare with Wireless 802.11b 128bit-WEP encryption?  
56bit-DES is superior because of its DES type Encryption. Just because 802.11B uses  
128bit-WEP with more bits doesn't mean the encryption is better. Also, the IOGEAR  
HomePlug devices use hardware 56bit-DES encryption. With hardware encryption the  
signal is almost impossible to crack. The hardware encryption process does not affect  
bandwidth, and the encryption is enabled at all times.  
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Getting Technical Support  
To help IOGEAR® customers obtain the highest level of performance from their HomePlug  
devices, the IOGEAR® Service Support team is available to answer your technical ques-  
tions. Do not hesitate to call if you are having trouble getting your device to work correctly.  
IOGEAR® Service Support can be reached by phone from 9am to 5pm Pacific Standard  
Time, Monday through Friday or at the following address:  
Toll Free 866-9-IOGEAR (USA)  
Phone: 949-453-8782  
23 Hubble  
Irvine, CA 92618  
give a brief description of the problem, and what you were doing when the problem occurred,  
before calling Service Support. The Service Support representative will be able to serve you  
much quicker if you are prepared to answer the nine questions listed below.  
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Getting Technical Support  
1) What is the purchase date and serial number of the product?  
2) Were any messages displayed on the screen when the error occurred? If so, what  
was the exact wording of the message?  
3) What type of Computer are you using?  
4) When does the problem occur?  
5) Can the problem be reproduced? If so, what are the steps necessary to reproduce  
the problem?  
6) What version of the OS are you using?  
7) Are you on a network? If so, what type of network is it?  
8) What have you already tried to get the problem resolved?  
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Product Specifications  
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Limited Warranty  
Limited Warranty  
IN NO EVENT SHALL THE DIRECT VENDOR'S LIABILITY FOR DIRECT, INDIRECT, SPECIAL,  
INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM THE USE OF THE PRODUCT,  
DISK, OR ITS DOCUMENTATION EXCEED THE PRICE PAID FOR THE PRODUCT.  
The direct vendor makes no warranty or representation, expressed, implied, or statutory with respect to  
the contents or use of this documentation, and especially disclaims its quality, performance, merchant-  
ability, or fitness for any particular purpose.  
The direct vendor also reserves the right to revise or update the device or documentation without  
obligation to notify any individual or entity of such revisions, or updates. For further inquiries please  
contact your direct vendor.  
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© 2003 IOGEAR® All Rights Reserved. PKG-M0066  
IOGEAR and the IOGEAR logo are trademarks or registered trademarks of IOGEAR Inc. Microsoft and Windows are  
registered trademarks of Microsoft Corporation. IBM is a registered trademark of International Business Machines, Inc.  
FireWire, MAC, Macintosh, G3, G4, iMac, Apple are registered trademarks of Apple Computer, Inc. Classic is a registered  
trademark, licensed to Apple Computer, Inc. Finder is a trademark of Apple Computer, Inc. All other brand and product  
names are trademarks or registered trademarks of their respective holders. IOGEAR makes no warranty of any kind with  
regards to the information presented in this document. All information furnished here is for informational purposes only  
and is subject to change without notice. IOGEAR assumes no responsibility for any inaccuracies or errors that may  
appear in this document. Reproduction in whole or part without permission is prohibited.  
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Contact info.  
23 Hubble  
Irvine, CA 92618  
(P) 949.453.8782  
(F) 949.453.8785  
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