D Link Network Router TM G5240 User Manual

T-Mobile TM-G5240 Wireless Router User Manual  
Version 0.7 041807  
T-Mobile TM-G5240  
Wireless Router  
User Manual  
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T-Mobile TM-G5240 Wireless Router User Manual  
Version 0.7 041807  
TROUBLESHOOTING ............................................................................................................................... 73  
I CANT CONNECT TO THE INTERNET .......................................................................................................... 73  
WHEN RUNNING THE CD INSTALL WIZARD I CANT GET PAST THE CABLING STEPS ..................................... 74  
I’M PROMPTED FOR A USERNAME AND PASSWORD WHEN OPENING MY WEB BROWSER............................... 74  
I WANT TO USE A BROADBAND MODEM WITH A USB CONNECTION.............................................................. 74  
THE CD WILL NOT RUN WHEN I INSERT IT INTO THE CD-ROM DRIVE ......................................................... 74  
I CANT WIRELESSLY CONNECT TO THE TM-G5240.................................................................................... 75  
TELEPHONE CABLE OR COAXIAL CABLE WILL NOT WORK WITH TM-G5240.................................................. 75  
I WANT TO MODIFY TM-G5240 SETTINGS.................................................................................................. 76  
RESET TO FACTORY DEFAULT SETTING...................................................................................................... 76  
HOW DO I FIND THE IP ADDRESS ............................................................................................................... 77  
Windows 95, 98, and ME.................................................................................................................... 77  
Windows Vista..................................................................................................................................... 78  
Windows 2000 and XP........................................................................................................................ 78  
HOW DO I ASSIGN A STATIC IP ADDRESS ................................................................................................... 79  
Windows Vista..................................................................................................................................... 79  
Windows XP........................................................................................................................................ 79  
Windows 2000..................................................................................................................................... 79  
Windows 98 and ME........................................................................................................................... 79  
HOW CAN I SET UP TM-G5240 TO WORK WITH A CABLE MODEM................................................................ 81  
Dynamic cable connection.................................................................................................................. 81  
Static cable connection....................................................................................................................... 82  
HOW CAN I SET UP MY ROUTER TO WORK WITH EARTHLINK DSL OR ANY PPPOE CONNECTION ................ 83  
HOW DO I OPEN PORTS ON THE TM-G5240 .............................................................................................. 86  
HOW DO I OPEN A RANGE OF PORTS ON THE TM-G5240 USING FIREWALL RULES ...................................... 88  
LIMITED WARRANTY................................................................................................................................ 90  
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T-Mobile TM-G5240 Wireless Router User Manual  
Version 0.7 041807  
Introduction  
TM-G5240 Wireless Router  
Congratulations on your purchase of the T-Mobile TM-G5240 wireless router (also  
referred to as TM-G5240).  
The TM-G5240 supports high-speed wireless networking at home, at work, and in public  
places. The TM-G5240 wireless router uses the new 802.11g standard. The IEEE  
802.11g standard is an extension of the 802.11b standard. It increases the data rate up  
to 54 Mbps within the 2.4GHz band, utilizing OFDM technology.  
In addition to offering fast data transfer speeds, the TM-G5240 has the newest, strongest,  
and most advanced security features available today (WPA and 802.1x):  
WPA: Wi-Fi Protected Access authorizes and identifies users based on a secret  
key that changes automatically at a regular interval. WPA uses TKIP (Temporal  
Key Integrity Protocol) to change the temporal key every 10,000 packets (a packet  
is a kind of message transmitted over a network.) This insures much greater  
security than the standard WEP security. By contrast, the older WEP encryption  
required the keys to be changed manually.  
Authentication: Authentication is a first line of defense against intrusion. In the  
authentication process, the server verifies the identity of the client attempting to  
connect to the network. Unfamiliar clients would be denied access.  
What is unique about the TM-G5240  
The TM-G5240 is unique in that it has been optimized to work with a compatible T-Mobile  
phone so that you can use your phone for calling via your Wi-Fi network or the T-Mobile  
GSM network.  
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T-Mobile TM-G5240 Wireless Router User Manual  
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TM-G5240 Features  
Fully compatible with the 802.11g standard to provide a wireless data rate of up to  
54Mbps.*  
Backwards compatible with the 802.11b standard to provide a wireless data rate of  
up to 11Mbps.  
WPA (Wi Fi Protected Access) authorizes and identifies users based on a secret  
key that changes automatically at a regular interval, for example:  
o TKIP (Temporal Key Integrity Protocol), in conjunction with a RADIUS  
server, changes the temporal key every 10,000 packets, ensuring greater  
security.  
o Pre Shared Key mode means that the home user, without a RADIUS  
server, can connect securely via a pre-shared key, vastly improving the  
safety of communications on the network.  
802.1x Authentication in conjunction with the RADIUS server verifies the identity of  
would be clients.  
Utilizes OFDM technology (Orthogonal Frequency Division Multiplexing).  
User-friendly configuration and diagnostic utilities.  
Operates in the 2.4GHz frequency range.  
Connects multiple computers to a Broadband (Cable or DSL) modem to share the  
Internet connection.  
Advanced firewall features:  
o Supports NAT with VPN pass-through, providing added security  
o MAC Filtering  
o IP Filtering  
o URL Filtering  
o Domain Blocking  
o Scheduling  
DHCP server enables all networked computers to automatically receive IP  
addresses.  
Web-based interface for Managing and Configuring.  
Access Control to manage users on the network.  
Supports special applications that require multiple connections.  
Equipped with 4 10/100 Ethernet ports, 1 WAN port, Auto MDI/MDIX.  
*Maximum wireless signal rate based on IEEE Standard 802.11g specifications. Actual data throughput will vary. Network  
conditions and environmental factors, including volume of network traffic, building materials and construction, and network  
overhead lower actual data throughput rate.  
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T-Mobile TM-G5240 Wireless Router User Manual  
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Technical specifications  
Standards  
IEEE 802.11g  
IEEE 802.11b  
IEEE 802.3  
IEEE 802.3u  
VPN Pass Through  
PPTP  
L2TP  
IPSec  
Device Management  
Web-Based- Internet Explorer v6 or later; Netscape Navigator v6 or later; or other  
Java-enabled browsers  
DHCP Server and Client  
Advanced Firewall Features  
NAT with VPN Passthrough (Network Address Translation)  
MAC Filtering  
IP Filtering  
URL Filtering  
Domain Blocking  
Scheduling  
Wireless Operating Range  
Indoor – Up to 300 feet  
Outdoor – Up to 2000 feet  
Operating Temperature  
32°F to 104°F (-0°C to 40°C)  
Safety and Emissions  
FCC  
Wireless Frequency Range  
2.412 GHz to 2.462 GHz  
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T-Mobile TM-G5240 Wireless Router User Manual  
Version 0.7 041807  
Status Lights  
Power  
Internet  
Wireless  
Ports 1-4 (LAN 10/100)  
Encryption  
Physical Dimensions  
L = 5.6 inches (142mm)  
W = 4.3 inches (109mm)  
H = 1.2 inches (31mm)  
Wireless Transmit Power  
19 dBm +1/-1.5 dBm  
Security  
Wi-Fi Protected Access (WPA)  
(WEP with TKIP, MIC, IV Expansion, Shared Key Authentication)  
WPA2  
Multimedia  
WMM  
WMM power save  
External Antenna Type  
Single detachable reverse SMA  
Modulation Technology  
Orthogonal Frequency Division Multiplexing (OFDM)  
Power Input  
Ext. Power Supply DC 5V, 2A  
Weight  
7.8 oz. (0.22kg)  
Warranty  
1 year  
Wireless Data Rates* with Automatic Fallback  
54 Mbps  
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T-Mobile TM-G5240 Wireless Router User Manual  
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48 Mbps  
36 Mbps  
24 Mbps  
18 Mbps  
12 Mbps  
11 Mbps  
9 Mbps  
6 Mbps  
5.5 Mbps  
2 Mbps  
1 Mbps  
Receiver Sensitivity  
Better than -92dBm @ 6, 9Mbps  
Better than -92dBm @ 12Mbps  
Better than -88dBm @ 18Mbps  
Better than -84dBm @ 24Mbps  
Better than -81dBm @ 36Mbps  
Better than -74dBm @ 48Mbps & 54Mbps  
*Maximum wireless signal rate based on IEEE Standard 802.11g specifications. Actual data throughput will vary. Network conditions  
and environmental factors, including volume of network traffic, building materials and construction, and network overhead lower actual  
data throughput rate.  
Package contents  
Contact your reseller if you are missing any items:  
T-Mobile TM-G5240 wireless router  
Power adapter - DC 5V, 2A  
NOTE: Using a power supply with a different voltage rating than the one included with the TM-  
G5240 will cause damage and void the warranty for this product.  
Blue Ethernet cable  
Antenna (attach on the back of the router)  
Installation CD (includes Installation Wizard, user manual)  
Quick Installation Guide  
Frequently Asked Questions (FAQ’s)  
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T-Mobile TM-G5240 Wireless Router User Manual  
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Panel components  
Back panel  
Internet Port  
Plug the network cable used to  
connect to the Internet into the TM-  
G5240.  
Reset Button  
Press and hold for 10  
seconds to restore to  
original factory settings.  
Antenna  
Screw in the included  
antenna here.  
Power  
Ports (1-4)  
Plug the power adaptor  
Plug the blue network cable that  
comes with this router into one of  
the ports (1-4).  
to power on the TM-  
G5240.  
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T-Mobile TM-G5240 Wireless Router User Manual  
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Front panel  
Get Security Key or Secure Button  
In the phone go to Get Security Key to share the routers  
security key/passphrase with a T-Mobile phone.  
Off - no encryption  
Blinking amber – in securing process  
Solid green – encryption enabled  
Power Light  
Solid green if the power adaptor is plugged  
into an electrical outlet and is receiving  
adequate power.  
Port Lights (1-4)  
Light is on for the port that is connected to the  
computer (via blue cable).  
Internet Light  
Solid green – No activity but has good connection  
Blinking green – Data activity  
Blinking green if the modem is plugged  
into the Internet port and connection is  
good.  
Wireless Light  
Blinking green when there is connection  
and data activity  
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T-Mobile TM-G5240 Wireless Router User Manual  
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Getting Started  
What you need before installing the TM-G5240  
Before you install and use the TM-G5240, you must have:  
Broadband Internet access  
(a cable or DSL-subscriber line into your home or office)  
NOTE: Consult with your Cable or DSL provider for proper installation of the modem.  
Computer with Windows, Macintosh*, or Linux-based operating system with an  
installed Ethernet adapter.  
*The CD wizard is not compatible with Mac/Apple computers (See page 10).  
Internet Explorer Version 6.0 or Netscape Navigator Version 6.0 or above  
Other installation considerations  
The TM-G5240 lets you access your network, using a wireless connection, from virtually  
anywhere within its operating range. Keep in mind, however, that the number, thickness  
and location of walls, ceilings, or other objects that the wireless signals must pass  
through, may limit the range. Typical ranges vary depending on the types of materials  
and background RF (radio frequency) noise in your home or business. The key to  
maximizing wireless range is to follow these basic guidelines:  
Each wall or ceiling can reduce your TM-G5240’s range from 3-90 feet (1-30  
meters). Position the TM-G5240 so that the number of walls or ceilings is  
minimized.  
Be aware of the direct line between network devices. A wall that is 1.5 feet thick  
(.5 meters), at a 45-degree angle appears to be almost 3 feet (1 meter) thick. At a  
2-degree angle it looks over 42 feet (14 meters) thick! Position devices so that the  
signal will travel straight through a wall or ceiling (instead of at an angle) for better  
reception.  
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T-Mobile TM-G5240 Wireless Router User Manual  
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Building materials can impede the wireless signal - a solid metal door or aluminum  
studs may have a negative effect on range. Try to position wireless devices and  
computers with wireless adapters so that the signal passes through drywall or  
open doorways and not other materials.  
Keep your product away (at least 3-6 feet or 1-2 meters) from electrical devices or  
appliances that generate extreme radio frequency noise (example, microwave).  
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T-Mobile TM-G5240 Wireless Router User Manual  
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Configuring  
TM-G5240  
Configure the TM-G5240  
The configuration of the TM-G5240 involves the following:  
1. The Installation Wizard walks you through the steps to physically connect the  
hardware components (computer, TM-G5240, modem, cables).  
Note: The CD wizard is not compatible with Mac/Apple computers. Please use the  
step-by-step image instructions (steps 1 – 9) provided on pages 12 through 15  
in this User Manual, or the steps outlined in the QIG.  
2. After connecting the hardware, the Wizard walks you through the configuration steps  
for the TM-G5240.  
Note: The CD wizard is not compatible with Mac/Apple computers. For Mac/Apple  
users, once the cabling instructions are completed:  
a. Open an Internet browser, i.e. Safari, Fire fox, etc.  
b. Type in 192.168.0.1 in the address bar.  
c. When asked for password, type in “admin” in the password field and leave  
the user name field empty.  
d. Click “Setup Wizard” to continue with the configuration process.  
3. After configuring the TM-G5240, you will see Congratulations. At this point either go  
to your phone to connect to your network or you can choose Security Settings on the  
bottom left of the install screen to enable encryption.  
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Physical connection of hardware components  
To start the Installation Wizard, insert the CD into your computer that is connected to  
your modem and click the Installation Wizard button. Follow the instructions on screen.  
Note: If the CD does not auto-start, try inserting the CD again, or you can go to your  
computer’s file browser to view the files on the CD.  
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1. Power off your modem, by unplugging the power cord. When done, click the Next  
button on the Wizard.  
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2. Unplug the network cable from your computer and plug the network cable into the  
TM-G5240‘s Internet port. When done, click the Next button on the Wizard.  
3. Plug in the power adapter to your modem. The lights on your modem should start  
flashing. When done, click the Next button on the Wizard.  
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4. Connect one end of the blue cable that came with the TM-G5240 to any of the  
Ports (1-4) on the back of the TM-G5240. Connect the other end of the blue cable  
to the computer’s network port. When done, click the Next button on the Wizard.  
5. Plug the power adapter into the back of the TM-G5240 and plug the other end into  
an electrical outlet or power strip. When done, click the Next button on the Wizard.  
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6. Observe the status lights on the front of the router. The lights for Power, Internet,  
Wireless, and one of the numbered ports (1-4) should be lit. If not lit, make sure  
that all cables are securely connected and if necessary select back to check your  
cabling. When done, click the Next button on the Wizard.  
Your cables should look similar to the image shown below after you have finished  
connecting all hardware components. Remember to attach the Antenna.  
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If you want to replace the existing router with the TM-G5240, click the Yes button on  
the Wizard.  
1. Power off your modem, by unplugging the power cord. When done, click the Next  
button on the Wizard.  
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2. Unplug the network cable connected to your computer from your old router and  
plug it into any of the Ports (1-4) on the TM-G5240. When done, click the Next  
button on the Wizard.  
3. Unplug the cable connected to your modem from your old router and plug it into  
the TM-G5240’s Internet port. When done, click the Next button on the Wizard.  
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4. Plug in the power adapter to your modem. The lights on your modem should start  
flashing. When done, click the Next button on the Wizard.  
5. Plug the power adapter into the back of the TM-G5240. When done, click the Next  
button on the Wizard.  
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6. Observe the status lights on the front of the router. The lights for Power, Internet,  
Wireless, and one of the numbered ports (1-4) should be lit. If not lit, make sure  
that all cables are securely connected and if necessary select back to check your  
cabling. When done, click the Next button on the Wizard.  
7. Your cables should look similar to the image shown below after you have finished  
connecting all hardware components. Remember to attach the Antenna.  
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Checks Internet Connection Type  
After you have finished connecting the cables, the Installation Wizard will check  
your Internet connection and display the following screen while detecting the type  
of internet connection you have..  
Note: If you do not get this screen that means something is wrong with the  
connection between the computer running the CD and your wireless router. See  
the Troubleshooting section of this User Guide or the FAQ’s document.  
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Configuration of TM-G5240  
7. After successfully detecting your Internet type you will see one of the following  
three screens. If you are unsure of the setting, DO NOT change it.  
Most Cable users should have DHCP (Cable)  
Most DSL users will have either PPPOE (DSL) or DHCP (Cable)  
Typically if you have a static IP, you know it.  
DHCP (Cable)  
If you select DHCP (Cable) from the drop-down box, then all you need is to click  
the Next button on the Wizard.  
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Static IP  
If you select Static IP from the drop-down box, you must complete the information  
on this screen. Refer to your Internet Service Provider (ISP) for information on IP  
address, subnet mask, and so on.  
When done, click the Next button on the Wizard.  
PPPOE (DSL)  
If you select PPPOE (DSL) from the drop-down box, then type your username and  
password to log in to the Internet.  
When done, click the Next button on the Wizard.  
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8. Create a unique name to identify your wireless network from other wireless  
networks around you. This name will also display on your T-Mobile phone’s main  
screen under “T-Mobile” when you are connected to your Wi-Fi network.  
When done, click the Next button on the Wizard.  
9. Select a channel for your network, or auto detect if you’d like the router to pick the  
best one for you. When done, click the Next button on the Wizard.  
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10.To protect your router settings from un-authorized access, change the  
administrative password. You will see a confirmation of settings page where you  
can print this information for future reference. When done, click the Next button on  
the Wizard. Please note that passwords are limited to 15 characters.  
11.To Review your settings and either print or save a copy for your records.  
Click the Save a copy button to save your security settings to your  
computer. You will see a pop-up with open, save, cancel. Select save.  
Click the Print Settings button to print your security settings to an attached  
printer.  
When done, click the Next button on the Wizard  
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12.You will see saving settings and restarting while the router stores all your settings.  
You may see the router lights blinking and pop-ups on your computer screen task  
bar mentioning Internet connectivity. This is all normal.  
13.When the router is setup you will see this Congratulations screen. You can learn  
more about your phone and how it works by click on “Learn More about Wi-Fi”  
Your other two choices are:  
Select Done, and go to your Get Started poster for your T-Mobile phone and  
follow the steps to connect your wireless network.  
- Or -  
Select “Security Settings” to turn encryption on for your TM-G5240.  
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Encryption for your wireless computers  
1. With a T-Mobile router and phone you do NOT have to enter the security key or  
passphrase into your phone manually. Follow these steps to share the encryption  
settings with your phone:  
Turn on your T-Mobile phone and go to Menu > Settings > Wi-Fi > Get Security  
Key  
Select Next on the phone.  
Press and release the Get Security Key button on the front of your router located  
next to the key icon with magenta waves. The light should be flashing amber on  
the router.  
Select Done/Next on the phone. It should indicate securing connection and prompt  
you to create a unique profile name for the network.  
Note: For advanced users or those without a T-Mobile phone, you can go to Manual  
Security and configure your encryptions settings.  
2. Success appears on the computer screen and the light next to the Get Security Key  
icon on the router is now solid green. Select continue.  
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3. Review your settings and either print or save a copy for your records.  
Click the Save a copy button to save your security settings to your computer. You  
will see a pop-up with open, save, cancel. Select save.  
Click the Print Settings button to print your security settings to an attached printer.  
When done, click the Next button on the Wizard.  
4. Congratulations will appear. Select Done.  
Note: At the bottom of the screen, the text should indicate if security is now enabled or  
disabled. If you want to make advanced configuration changes, proceed to the Advanced  
Settings section in this guide.  
Tips for Get Security Key  
1. If you have not previously enabled security for your router, the default will be WPA  
encryption.  
2. If you have a security key already in the router, then the router and phone will use  
your current security settings and share those with the T-Mobile phone.  
3. When the router is secured, the light next to the Get Security Key button will be solid  
green. When encryption is OFF, the light is off.  
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Advanced  
Settings  
Configuration menu  
The Configuration menu allows you to adjust network and TM-G5240 settings. To access  
the Configuration menu:  
1. Open a Web browser.  
2. Type http://192.168.0.1/. This is the default IP address of the TM-G5240. If you  
have changed the default, make sure that you type the correct IP address.  
3. Leave the username blank.  
*****  
4. Type admin in the password field. (Please note: Default password is "admin". If you have  
changed the password while running CD wizard, then use the new password)  
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Click OK. The Configuration menu opens.  
The Configuration menu has the following tabs:  
Home  
Advanced  
Tools  
Status  
Help  
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Home tab  
Home > Wizard  
The Home tab introduces you to the Configuration menu and allows you to access the  
Installation Wizard.  
The following buttons appear on most of the Configuration screens after you have made  
a configuration change:  
Click Apply to save changes made to the page.  
Click Cancel to clear changes made to the page.  
Click Help to bring up helpful information regarding the page.  
Click Restart to restart the TM-G5240. Restart is necessary for some  
configuration changes.  
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Home > Wireless  
At the Home > Wireless tab, you can adjust:  
Wireless Radio - This option turns off and on the wireless connection feature of  
the router. If this is not enabled, you cannot connect using a wireless network  
adapter.  
SSID - Service Set Identifier (SSID) is the name designated for a specific wireless  
local area network (WLAN). The SSID’s factory default setting is default. The SSID  
can be easily changed to connect to an existing wireless network or to establish a  
new wireless network.  
Authentication  
o WPA – Wi-Fi Protected Access authorizes and authenticates users on to  
the wireless network. WPA uses stronger security than WEP and is based  
on a key that changes automatically at a regular interval. This mode  
requires a RADIUS server in the network.  
Radius Server - Enter the IP Address of the RADIUS server.  
Port - Enter the port number that your RADIUS server uses for  
authentication.  
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Shared Secret - Enter the shared secret. The Shared Secret must the  
same as the Shared Secret on your RADIUS server.  
o WPA-PSK – Wi-Fi Protected Access – Pre-Shared Key mode means that  
the wireless client and the router must have the same passphrase in order  
to establish the wireless connection. A RADIUS server is not required with  
PSK.  
Passphrase - Enter a pass phrase for the router. The client should use the  
same pass phrase in order to connect to the router.  
o WPA2  
Radius Server - Enter the IP Address of the RADIUS server.  
Port - Enter the port number that your RADIUS server uses for  
authentication. The default setting of 1812 is the port setting for many  
RADIUS servers.  
Shared Secret - Enter the shared secret. The Shared Secret must the  
same as the Shared Secret on your RADIUS server.  
o WPA2-PSK – Wi-Fi Protected Access2 – Pre-Shared Key mode means that  
the wireless client and the router must have the same pass phrase in order  
to establish the wireless connection. A RADIUS server is not required with  
PSK.  
Passphrase - Enter a pass phrase for the router. The client should use the  
same pass phrase in order to connect to the router..  
o WPA-Auto  
Radius Server - Enter the IP Address of the RADIUS server.  
Port - Enter the port number that your RADIUS server uses for  
authentication. The default setting of 1812 is the port setting for many  
RADIUS servers.  
Shared Secret - Enter the shared secret. The Shared Secret must the  
same as the Shared Secret on your RADIUS server.  
Channel - 6 is the default channel. All devices on the network must share the  
same channel. (Note: The wireless adapters will automatically scan and match the  
wireless setting.)  
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WEP - Wired Equivalent Privacy (WEP) is a wireless security protocol for Wireless  
Local Area Networks (WLAN). WEP provides security by encrypting the data that  
is sent over the WLAN. Select Enabled or Disabled. Disabled is the default setting.  
(Note: If you enable encryption on the TM-G5240 make sure to also enable  
encryption on all the wireless clients and match the security settings, or wireless  
connection will not be established.)  
WEP Encryption - Select the level of encryption desired: 64-bit, or 128-bit.  
Key Type - Select HEX or ASCII.  
Keys 1-4 - Input up to 4 WEP keys; select the one you wish to use.  
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Home > WAN  
Home > WAN > Dynamic IP Address  
At Home > WAN > Dynamic IP Address, you can adjust:  
Dynamic IP Address - Choose Dynamic IP Address to obtain IP Address  
information automatically from your ISP. Select this option if your ISP does  
not give you any IP numbers to use. This option is commonly used for  
Cable modem services.  
Host Name - The Host Name is optional but may be required by some ISPs.  
The default host name is the device name of the router and may be  
changed.  
MAC Address - The default MAC Address is set to the WAN’s physical  
interface MAC address on the wireless router. It is not recommended that  
you change the default MAC address unless required by your ISP.  
Clone MAC Address - The default MAC address is set to the WAN’s  
physical interface MAC address on the wireless router. You can use the  
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“Clone MAC Address” button to copy the MAC address of the Ethernet Card  
installed by your ISP and replace the WAN MAC address with the MAC  
address of the router. It is not recommended that you change the default  
MAC address unless required by your ISP.  
Primary DNS Address - Input the primary DNS address provided by your  
ISP.  
Secondary DNS Address - (Optional) Input the secondary DNS address  
provided by your ISP.  
MTU - Maximum Transmission Unit; default is 1500; you may need to  
change the MTU to conform to your ISP (Internet Service Provider).  
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Home > WAN > Static IP Address  
At Home > WAN > Static IP Address, you can adjust:  
Static IP Address - Choose Static IP Address if all WAN IP information is  
provided to you by your ISP. You will need to enter in the IP address,  
subnet mask, gateway address, and DNS address(es) provided to you by  
your ISP. Each IP address entered in the fields must be in the appropriate  
IP form, which are four octets separated by a dot (x.x.x.x). The router will  
not accept the IP address if it is not in this format.  
IP Address - Input the public IP Address provided by your ISP.  
Subnet Mask - Input your Subnet mask. (All devices in the network must  
have the same subnet mask.)  
ISP Gateway Address - Input the public IP address of the ISP to which you  
are connecting.  
Primary DNS Address - Input the primary DNS (Domain Name Server) IP  
address provided by your ISP.  
Secondary DNS Address -This is optional.  
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Home > WAN > PPPoE  
At Home > WAN > PPPoE, you can adjust:  
PPPoE – Point to Point Protocol over Ethernet. Choose this option if your  
ISP uses PPPoE connection (Most DSL users will select this option.) Your  
ISP provider will provide you with a username and pasword. This option is  
typically used for DSL services.  
Please be sure to remove any existing PPPoE client software installed  
your computers.  
o Dynamic PPPoE- Select to receive an IP Address automatically from  
your ISP.  
o Static PPPoE- Select to receive an assigned (static) IP Address.  
User Name - Your PPPoE username provided by your ISP.  
Retype Password - Re-enter the PPPoE password  
Service Name - Enter the Service Name provided by your ISP (optional).  
IP Address - This option is only available for Static PPPoE. Enter the static  
IP Address for the PPPoE connection.  
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Primary DNS Address - Primary DNS IP address provided by our ISP  
Secondary DNS Address - This option is only available for Static PPPoE.  
Enter the static IP Address for the PPPoE connection.  
Maximum Idle Time - Enter a maximum idle time during which Internet  
connection is maintained during inactivity.  
MTU - Maximum Transmission Unit - Default is 1492; you may need to  
change the MTU to conform to your ISP (Internet Service Provider).  
Auto-reconnect - If enabled, the TM-G5240 will automatically connect to  
your ISP after your system is restarted or if the PPPoE connection is  
dropped.  
Connect Mode  
Always On – Connection is always on  
Manual – User manually starts connection  
Connect on Demand – Connection is established once the browser is  
activated  
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Home > LAN  
LAN is short for Local Area Network. This is considered your internal network. These are  
the IP settings of the LAN interface for the TM-G5240. These settings may be referred to  
as Private settings. You may change the LAN IP address if needed. The LAN IP address  
is private to your internal network and cannot be seen on the Internet.  
At the Home > LAN tab, you can adjust:  
IP Address - The IP address of the LAN interface. The default IP address is:  
192.168.0.1.  
Subnet Mask - The subnet mask of the LAN interface. The default subnet mask is  
255.255.255.0.  
Local Domain - This field is optional. Enter in the local domain name.  
DNS Relay - You may choose to enable or disable DNS Relay. If disabled, the  
DNS address received on the Internet Port will pass through to the LAN clients.  
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Home > DHCP  
DHCP stands for Dynamic Host Control Protocol. The TM-G5240 has a built-in DHCP  
server. The DHCP Server will automatically assign an IP address to the computers on the  
LAN/private network. Be sure to set your computers to be DHCP clients by setting their  
TCP/IP settings to “Obtain an IP Address Automatically.” When you turn your computers  
on, they will automatically load the proper TCP/IP settings provided by the TM-G5240.  
The DHCP Server will automatically allocate an unused IP address from the IP address  
pool to the requesting computer. You must specify the starting and ending address of the  
IP address pool.  
At the Home > DHCP tab, you can adjust:  
DHCP Server - Select Enabled or Disabled. The default setting is Enabled.  
Starting IP Address - The starting IP address for the DHCP server’s IP  
assignment.  
Ending IP Address - The ending IP address for the DHCP server’s IP assignment.  
Lease Time - The length of time for the IP address lease. Enter the Lease time.  
The default setting is one hour.  
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Static DHCP - Used to allow the DHCP server to assign the same IP address to a  
specified MAC address. Enter the name, IP address, and MAC address into the  
fields. Select which DHCP client to clone.  
Host Name – The name to be used to reference the specific static DHCP client.  
DHCP Client - Drop down list of all currently connected DHCP clients.  
Home > Bridge Mode  
Enable bridge mode will turn off routing and NAT (Network Address Translation) features.  
TM-G5240 will act similar to a switch instead of router. TM-G5240 will not be able to  
share one public IP to multiple LAN devices in bridge mode.  
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Advanced tab  
Advanced > Virtual Server  
The TM-G5240 can be configured as a virtual server so that remote users accessing  
Web or FTP services via the public IP address can be automatically redirected to local  
servers in the LAN (Local Area Network).  
The TM-G5240 firewall feature filters out unrecognized packets to protect your LAN  
network so all computers networked with the TM-G5240 are invisible to the outside world.  
If you wish, you can make some of the LAN computers accessible from the Internet by  
enabling Virtual Server. Depending on the requested service, the TM-G5240 redirects the  
external service request to the appropriate server within the LAN network.  
The TM-G5240 is also capable of port-redirection meaning incoming traffic to a particular  
port may be redirected to a different port on the server computer.  
Each virtual service that is created will be listed at the bottom of the screen in the Virtual  
Servers List. There are pre-defined virtual services already in the table. You may use  
them by enabling them and assigning the server IP to use that particular virtual service.  
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At the Advanced > Virtual Server tab, you can adjust:  
Virtual Server - Select Enabled or Disabled.  
Name - Enter the name referencing the virtual service.  
Private IP - The server computer in the LAN (Local Area Network) that will be  
providing the virtual services.  
Protocol Type - The server computer in the LAN (Local Area Network) that will be  
providing the virtual services.  
Private Port - The port number of the service used by the Private IP computer.  
Public Port - The port number of the service used by the Private IP computer.  
Schedule - The schedule of time when the virtual service will be enabled. The  
schedule may be set to Always, which will allow the particular service to always be  
enabled. If it is set to Time, select the time frame for the service to be enabled. If  
the system time is outside of the scheduled time, the service will be disabled.  
EXAMPLE 1  
If you have a Web server that you wanted Internet users to access at all times, you  
would need to enable it. Web (HTTP) server is on LAN (Local Area Network)  
computer 192.168.0.25. HTTP uses port 80, TCP.  
Name: Web Server  
Private IP: 192.168.0.25  
Protocol Type: TCP  
Private Port: 80  
Public Port: 80  
Schedule: always  
Click to edit virtual service  
click to delete virtual service  
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EXAMPLE 2  
If you have an FTP server that you wanted Internet users to access by WAN port  
2100 and only during the weekends, you would need to enable it as such. FTP  
server is on LAN computer 192.168.0.30. FTP uses port 21, TCP.  
Name: FTP Server  
Private IP: 192.168.0.30  
Protocol Type: TCP  
Private Port: 21  
Public Port: 2100  
Schedule: From: 01:00AM to 01:00AM, Sat to Sun  
All Internet users who want to access this FTP Server must connect to it from port  
2100. This is an example of port redirection and can be useful in cases where  
there are many of the same servers on the LAN network.  
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Advanced > Applications  
Some applications require multiple connections, such as Internet gaming, video  
conferencing, Internet telephony and others. These applications have difficulties working  
through NAT (Network Address Translation). Special Applications makes some of these  
applications work with the TM-G5240. If you need to run applications that require multiple  
connections, specify the port normally associated with an application in the “Trigger Port”  
field, select the protocol type as TCP or UDP, then enter the public ports associated with  
the trigger port to open them for inbound traffic.  
The TM-G5240 provides some predefined applications in the table on the bottom of the  
web page. Select the application you want to use and enable it.  
NOTE: Only one PC can use each Special Application tunnel.  
At the Advanced > Applications tab, you can adjust:  
Name -This is the name referencing the special application.  
Trigger Port - This is the port used to trigger the application. It can be either a  
single port or a range of ports.  
Trigger Type - This is the protocol used to trigger the special application.  
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Public Port - This is the port number on the WAN side that will be used to access  
the application. You may define a single port or a range of ports. You can use a  
comma to add multiple ports or port ranges.  
Public Type - This is the protocol used for the special application.  
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Advanced > Filters  
Advanced > Filters > IP Filters  
Filters are used to deny or allow LAN (Local Area Network) computers from accessing  
the Internet. The TM-G5240 can be setup to deny internal computers by their IP or MAC  
addresses. The TM-G5240 can also block users from accessing restricted web sites.  
At Advanced > Filters > IP Filters, you can adjust:  
IP Filters - Use IP Filters to deny LAN IP addresses from accessing the Internet.  
You can deny specific port numbers or all ports for the specific IP address.  
IP - The IP address of the LAN computer that will be denied access to the Internet.  
Port - The single port or port range that will be denied access to the Internet.  
Protocol Type - Select the protocol type.  
Schedule - This is the schedule of time when the IP Filter will be enabled.  
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Advanced > Filters > URL Blocking  
URL Blocking is used to deny LAN computers from accessing specific web sites by the  
URL. A URL is a specially formatted text string that defines a location on the Internet. If  
any part of the URL contains the blocked word, the site will not be accessible and the  
web page will not display. To use this feature, enter the text string to be blocked and click  
Apply. The text to be blocked will appear in the list. To delete the text, just highlight it and  
click Delete.  
At Advanced > Filters > URL Blocking, you can adjust:  
Filters - Select the filter you wish to use; in this case, URL Blocking was chosen.  
URL Blocking - Select Enabled or Disabled.  
Keywords - Block URLs which contain keywords listed below. Enter the keywords  
in this space.  
Advanced > Filters > MAC Filters  
Use MAC (Media Access Control) Filters to allow or deny LAN (Local Area Network)  
computers by their MAC addresses from accessing the Network. You can either manually  
add a MAC address or select the MAC address from the list of clients that are currently  
connected to the wireless router.  
At Advanced > Filters > MAC Filters, you can adjust:  
Filters – Select the filter you wish to use (in this case MAC Filters was chosen)  
MAC Filters - Choose Disable MAC filters; allow MAC addresses listed below; or deny MAC  
addresses listed below.  
Name – Enter the name here.  
MAC Address – Enter the MAC address.  
DHCP Client - Select a DHCP client from the pull-down list; click Clone to copy that MAC  
Address.  
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Advanced > Filters > Domain Blocking  
Domain Blocking is used to allow or deny LAN (Local Area Network) computers from  
accessing specific domains on the Internet. Domain blocking will deny all requests to a  
specific domain such as http and ftp. It can also allow computers to access specific sites  
and deny all other sites.  
At Advanced > Filters > Domain Blocking, you can adjust:  
Filters – Domain Blocking – Select the filter you wish to use.  
o Disabled – Select Disabled to disable Domain Blocking.  
o Allow – Allows users to access all domains except Blocked Domains.  
o Deny – Denies users access to all domains except Permitted Domains.  
Permitted Domains – Enter the Permitted Domains in this field  
Blocked Domains – Enter the Blocked Domains in this field.  
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Advanced > Parental Control  
Parental Control filters are used to allow or deny LAN users from accessing the Internet  
by either blocking URL’s or Specific Domains.  
At Advanced > Parental Control, you can adjust:  
URL Blocking - Use URL blocking to deny LAN computers from accessing  
specific websites by its URL. A URL is a specifically formatted text string that  
defines a location on the internet. If any part of the URL contains the blocked word,  
the site will not be accessible and the web page will not display.  
Domain Blocking - Use Domain blocking to allow or deny computers access to  
specific internet domains whether it is through www, ftp, SNMP, etc. Domain  
filtering or blocking apply to both wired and wireless clients connected to TM-  
G5240.  
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Advanced > Firewall  
Firewall Rules is an advanced feature used to deny or allow traffic from passing through  
the TM-G5240. It works in the same way as IP Filters with additional settings. You can  
create more detailed access rules for the TM-G5240. When virtual services are created  
and enabled, it will also display in Firewall Rules. Firewall Rules contain all network  
firewall rules pertaining to IP (Internet Protocol).  
In the Firewall Rules List at the bottom of the screen, the priorities of the rules are from  
top (highest priority) to bottom (lowest priority.)  
NOTE: The TM-G5240 MAC Address filtering rules have precedence over the Firewall  
Rules.  
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At the Advanced > Firewall tab, you can adjust:  
Firewall Rules - Enable or disable the Firewall.  
Name - Enter the name.  
Action - Allow or Deny.  
Source - Enter the IP Address range.  
Destination - Enter the IP Address range, the Protocol, and the Port Range.  
Schedule - Select Always or enter the Time Range.  
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Advanced > DMZ  
If you have a client PC that cannot run Internet applications properly from behind the TM-  
G5240, then you can set the client up for unrestricted Internet access. It allows a  
computer to be exposed to the Internet. This feature is useful for gaming purposes. Enter  
the IP address of the internal computer that will be the DMZ host. Adding a client to the  
DMZ (Demilitarized Zone) may expose your local network to a variety of security risks, so  
only use this option as a last resort.  
At the Advanced > DMZ tab, you can adjust:  
DMZ - Enable or Disable the DMZ. The DMZ (Demilitarized Zone) allows a single  
computer to be exposed to the internet. By default the DMZ is disabled.  
IP Address - Enter the IP Address of the computer to be in the DMZ.  
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Advanced > Performance  
Displayed in this window are the Wireless Performance features for the Access Point  
portion of the TM-G5240.  
At the Advance > Performance tab, you can adjust:  
Beacon Interval - Beacons are packets sent by an Access Point to synchronize a  
wireless network. Specify a value. 100 is the default setting and is recommended.  
RTS Threshold - This value should remain at its default setting of 2432. If incon-  
sistent data flow is a problem, only a minor modification should be made.  
Fragmentation - The fragmentation threshold, which is specified in bytes, deter-  
mines whether packets will be fragmented. Packets exceeding the 2346 byte  
setting will be fragmented before transmission. 2346 is the default setting.  
DTIM Interval - (Delivery Traffic Indication Message) 3 is the default setting. A  
DTIM is a countdown informing clients of the next window for listening to  
broadcast and multicast messages.  
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Preamble Type - Select Short or Long Preamble. The Preamble defines the  
length of the CRC block (Cyclic Redundancy Check is a common technique for  
detecting data transmission errors) for communication between the wireless router  
and the roaming wireless network adapters. Auto is the default setting. Note: High  
network traffic areas should use the shorter preamble type.  
Transmit Power (Mbps) - TM-G5240 has the option to adjust its wireless transmit  
power. Limiting transmit power can help in situations where you do not want the  
same signals overlapping one another.  
SSID Broadcast - Enabled is the default setting. Choose Enabled to broadcast  
the SSID across the network. All devices on the network must share the same  
SSID (Service Set Identifier) to establish communication. Choose Disabled if you  
do not wish to broadcast the SSID over the network.  
802.11g Only Mode - For increased speed in your network, enable this option.  
802.11b devices will be excluded.  
SPI Mode - Stateful Packet Inspection (also known as dynamic packet filtering)  
helps to prevent cyber attacks by tracking more state per session. It validates that  
the traffic passing through the session conforms to the protocol.  
WAN speed to 10/100 Mbps - This option allows the user to select 10Mbps,  
100Mbps, or 10Mbps/100Mbps Auto for the Internet port. You may need to change  
the Internet port speed if you are experiencing connection problems with your  
Cable, or DSL modem.  
CTS - Clear To Send is a function used to minimize collisions among wireless  
devices on a wireless local area network (LAN). CTS will make sure the wireless  
network is clear before a wireless client attempts to send wireless data. Enabling  
CTS will add overhead and may lower wireless throughput.  
Auto - CTS will monitor the wireless network and automatically decide whether to  
implement CTS based on the amount of traffic and collisions that occurs on the  
wireless network.  
Always - CTS will always be used to make sure the wireless LAN is clear before  
sending data.  
None - CTS is typically used in a pure 802.11g environment. If CTS is set to None  
in a mixed mode environment populated by 802.11b clients, wireless collisions  
may occur frequently.  
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Tools tab  
Tools > Admin  
At this page, the TM-G5240 administrator can change the system password. There are  
two accounts that can access the wireless router’s Web-Management interface. They are  
admin and user. Admin has read/write access while user has read-only access. User can  
only view the settings but cannot make any changes.  
At the Tools > Admin tab, you can adjust:  
Administrator admin is the Administrator login name.  
Password – Enter the password and enter again to confirm.  
User user is the User login name.  
Remote management – Remote management allows the TM-G5240 to be  
configured from the Internet by a web browser. A username and password is still  
required to access the Web-Management interface. In general, only a member of  
your network can browse the built-in web pages to perform Administrator tasks.  
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This feature enables you to perform Administrator tasks from the remote (Internet)  
host.  
IP Address – The Internet IP address of the computer that has access to the  
Wireless router. If you input an asterisk (*) into this field, then any computer will be  
able to access the Router. Putting an asterisk (*) into this field would present a  
security risk and is not recommended.  
Port – The port number used to access the wireless router.  
router and 8080 is the port used for the Web-Mangement interface.  
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Tools > Time  
At the Tools > Time tab, you can adjust:  
Time Zone – Select the time from the pull-down menu.  
Default NTP Server – NTP is short for Network Time Protocol. NTP synchronizes  
computer clock times in a network of computers. This field is optional.  
Set the Time – To manually input the time, enter the values in these fields for the  
Year, Month, Day, Hour, Minute, and Second. Click Set Time.  
Daylight Saving - To select Daylight Saving time manually, select enabled or  
disabled, and enter a start date and an end date for daylight saving time.  
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Tools > System  
The current system settings can be saved as a file onto the local hard drive. The saved  
file or any other saved setting file can be loaded back on the wireless router. To reload a  
system settings file, click on Browse to browse the local hard drive and locate the system  
file to be used. You may also reset the wireless router back to factory settings by clicking  
on Restore.  
At the Tools > System tab, you can adjust:  
Save Settings to Local Hard Drive – Click Save to save the current settings to the  
local Hard Drive.  
Load Settings from Local Hard Drive – Click Browse to find the settings, then click  
Load.  
Restore to Factory Default Settings - Click Restore to restore the factory default  
settings.  
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Tools > Firmware  
You can upgrade the firmware of the Router here. Make sure the firmware you want to  
use is on the local hard drive of the computer. Click on Browse to browse the local hard  
drive and locate the firmware to be used for the update. Please check the D-Link support  
upgrades to your hard drive from the D-Link support site.  
At the Tools > Firmware tab, you can adjust:  
Firmware Upgrade – Click on the link in this screen to find out if there is an up-  
dated firmware; if so, download the new firmware to your hard  
Browse – After you have downloaded the new firmware, click Browse in this  
window to locate the firmware update on your hard drive. Click Apply to complete  
the firmware upgrade.  
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Tools > DDNS  
When an IP address is automatically assigned by a DHCP server, DDNS automatically  
updates the DNS server. Select Disabled to Enable. Users who have a Dynamic DNS  
account may use this feature.  
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Tools > Misc  
At the Tools > Misc tab, you can adjust:  
Ping Test – The Ping Test is used to send Ping packets to test if a computer is on  
the Internet. Enter the IP Address that you wish to Ping, and click Ping.  
Restart Device – Click Reboot to restart the TM-G5240.  
Block WAN Ping – If you choose to block WAN Ping, the WAN IP Address of the  
TM-G5240 will not respond to pings. Blocking the Ping may provide some extra  
security from hackers.  
o Discard Ping from WAN side – Click Enabled to block the WAN ping.  
UPNP – To use the Universal Plug and Play feature click on Enabled. UPNP  
provides compatibility with networking equipment, software and peripherals of the  
over 400 vendors that cooperate in the Plug and Play  
Gaming Mode – Gaming mode allows a form of pass-through for certain Internet  
Games. If you are using Xbox, Playstation2 or a PC, make sure you are using the  
latest firmware and Gaming Mode is enabled. To utilize Gaming Mode, click  
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Enabled. If you are not using a Gaming application, it is recommended that you  
Disable Gaming Mode.  
Dynamic DNS – Dynamic Domain Name System is a method of keeping a domain  
name linked to a changing IP Address. This is a useful feature since many  
computers do not use a static IP address.  
VPN Pass Through - The TM-G5240 supports VPN (Virtual Private Network)  
pass-through for both PPTP (Point-to-Point Tunneling Protocol) and IPSec (IP  
Security). Once VPN pass-through is enabled, there is no need to open up virtual  
services. Multiple VPN connections can be made through the TM-G5240. This is  
useful when you have many VPN clients on the LAN network.  
PPTP – Select Enabled or Disabled  
IPSec – Select Enabled or Disabled  
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Tools > Cable Test  
Diagnostic cable tester is an advanced feature that integrates a LAN cable tester on  
every Ethernet Port on the router. Through the graphical user interface (GUI), Cable  
Tester can be used to remotely diagnose and report cable faults such as opens, shorts,  
swaps, and impedance mismatch. It enables users to easily troubleshoot their cable  
connections.  
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Tools > Pairing  
Pairing is the process of securing the TM-G5240 with your T-Mobile phone. It is a  
process where the security settings of the TM-G5240 get transmitted to the phone.  
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Status tab  
Status > Device Info  
This page displays the current information for the TM-G5240. It will display the LAN,  
WAN, and MAC address information.If your WAN connection is set up for a Dynamic IP  
address then a Release button and a Renew button will be displayed. Use Release to  
disconnect from your ISP and use Renew to connect to your ISP. If your WAN connection  
is set up for PPPoE, a Connect button and a Disconnect button will be displayed. Use  
Disconnect to drop the PPPoE connection and use Connect to establish the PPPoE  
connection.This window will show the TM-G5240’s working status:  
At the Status > Device Info tab, you can adjust:  
IP Address - LAN/Private IP Address of the TM-G5240 Subnet Mask:  
LAN/Private Subnet Mask of the TM-G5240  
WAN –  
IP Address: WAN/Public IP Address  
Subnet Mask: WAN/Public Subnet Mask  
Gateway: WAN/Public Gateway IP Address  
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Domain Name Server: WAN/Public DNS IP AddressWAN Status: WAN  
Connection Status  
Wireless –  
MAC Address: Displays the MAC address  
SSID: Displays the current SSID  
Channel: Displays the current channel  
WEP: Indicates whether WEP is enabled or disabled  
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Status > Log  
The wireless router keeps a running log of events and activities occurring on the Router.  
If the device is rebooted, the logs are automatically cleared. You may save the log files  
under Log Settings.  
At the Status > Log tab, you can select View Log to view first page, last page, previous,  
next, clear, and log settings.  
Status > Log > Log Settings  
Not only does the wireless router display the logs of activities and events, it can setup to  
send these logs to another location.  
At Status > Log > Log Settings, you can adjust:  
SMTP Server/IP Address – The address of the SMTP server that will be used to  
send the logs.  
Email Address – The email address to which the logs will be sent.  
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Status > Statistics  
The screen above displays theTraffic Statistics. Here you can view the amount of packets  
that pass through the TM-G5240 on both the WAN and the LAN ports. The traffic counter  
will reset if the device is rebooted.  
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Status > Wireless  
The wireless client table displays a list of current connected wireless clients. This table  
also displays the connection time and MAC address of the connected wireless client.  
Click Help at any time for more information.  
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Help tab  
On the Help tab, you can click on the links to quickly access information.  
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Troubleshooting  
Introduction  
This section provides solutions to problems that can occur during the installation and  
operation of the TM-G5240.  
Note: It is recommended that you use an Ethernet connection to configure the TM-G5240  
wireless router.  
I cant connect to the Internet  
Check the lights for the TM-G5240.  
Power light – solid green  
Internet light – blinking green  
Port light (any port 1-4) – blinking green for data activity or solid green for no activity  
but has good connection  
Confirm that all cables are connected correctly and securely.  
The modem is connected to your high speed internet connection.  
The modem is connected to the Internet port of the TM-G5240.  
The computer is connected to one of the numbered ports (1-4) on the TM-G5240.  
The TM-G5240’s power adapter is connected to an electrical outlet.  
Power off all devices (unplug if needed) and power on each device in the following order:  
Cable or DSL modem  
TM-G5240  
Computer  
If you have a static IP address, make sure your computer’s Internet settings are set to  
DHCP for the initial setup. See How do I assign static IP address section in this manual.  
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When running the CD Install Wizard I cant get past the cabling  
steps  
This means the computer you are running the CD with can not communicate with the  
wireless router. Try the following:  
1. Check that your cables are correct based on the images in the CD Wizard and then  
see the text in the troubleshooting issue I can’t connect to the internet.  
2. Re-run the CD, ensure all lights are on for the router before moving past step 9.  
I’m prompted for a username and password when opening my  
Web browser  
It is most likely that your DSL (PPPoE) software installed on your computer is requesting  
this information. Since the TM-G5240 will now authenticate and connect you to your DSL  
service, you must disable or uninstall any PPPoE software from your computer. PPPoE  
software will not work behind your TM-G5240. Please contact your Internet Service  
Provider for assistance.  
I want to use a broadband modem with a USB connection  
The TM-G5240 only works with a modem with an Ethernet connection. Most modems will  
offer both USB and Ethernet. Disconnect the USB connection before starting the  
installation procedure. If your modem has only a USB connection, contact your Internet  
Service Provider for assistance.  
The CD will not run when I insert it into the CD-ROM drive  
The autorun function of your CD drive may be disabled. To manually launch the Setup  
Wizard:  
1. On your computer, click Start > Run.  
2. At the Run box, type d:/Installation_Wizard.exe (d is the drive letter for your CD-  
ROM drive).  
3. Click OK to start the Setup Wizard.  
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I cant wirelessly connect to the TM-G5240  
Verify your wireless settings on your computer. Make sure the SSID and security  
settings are the same as the TM-G5240.  
Change the channel on the TM-G5240 to reduce interference. For best results, use  
channels 1, 6, or 11.  
Keep the TM-G5240 at least three feet away from electrical devices that generate  
radio frequency noise (example, cordless phones, microwaves, computer monitors,  
electric motors, UPS units).  
Place the TM-G5240 in the most central location of the house. Do not place the TM-G5240 in a  
closet, cabinet, or in the garage. See Other Installation Considerations section in this manual for  
further information on the best placement of your TM-G5240.  
My wireless connection keeps dropping  
Try a different antenna orientation for the TM-G5240. Try to keep the antenna at least six  
inches away from the wall or other objects.  
If you are using 2.4GHz cordless phones, X-10 equipment or other home security  
systems, ceiling fans, and lights, your wireless connection will degrade dramatically or  
drop altogether. Try changing the channel on your TM-G5240 and on all the devices in  
your network to avoid interference.  
Keep your product away (at least 3-6 feet) from electrical devices that generate RF noise,  
like microwaves, monitors, electric motors, and so on.  
Telephone cable or coaxial cable will not work with TM-G5240  
The TM-G5240 does not function as a modem. Dial-up Internet access will not work with  
the TM-G5240. You must have a broadband modem supported by your Internet provider.  
If you have broadband Internet and a Windows PC, run the CD included with the TM-  
G5240.  
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I want to modify TM-G5240 settings  
To modify settings, you must log on to the TM-G5240:  
1. Open your Web browser and type the IP address of the TM-G5240 in the address  
bar. The default IP address is 192.168.0.1. You are prompted for your password.  
2. Type your password. Default password is admin.  
Reset to factory default setting  
After you have tried other methods for troubleshooting your network, you may choose to  
reset the TM-G5240 to the factory default settings. Perform the following to hard-reset the  
TM-G5240 to factory default settings:  
1. Ensure the router has power and the status lights are on.  
2. Locate the Reset button on the back of the TM-G5240.  
3. Use a paper clip, press and hold in the Reset button.  
4. Hold for about 10 seconds, until the status lights flash off, then release.  
5. When the status lights are all back on the router is fully reset.  
After the TM-G5240 resets (may take a few minutes), it will be reset to the factory  
default settings.  
Reset button  
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How do I find the IP address  
Windows 95, 98, and ME  
1. On the computer’s taskbar, click Start > Run. The Run Dialogue box opens.  
2. At the Run Dialogue box, type winipcfg in the window as shown then click OK.  
The IP Configuration dialog box opens displaying your Ethernet Adapter  
Information.  
3. At the IP Configuration dialog box, select your adapter from the drop down menu.  
NOTE: If you do not see your adapter in the drop down menu, your adapter is not  
properly installed.  
4. After selecting your adapter, it will display your IP Address, subnet mask, and  
default gateway.  
5. Click OK to close the IP Configuration dialog box.  
6. Check your IP address. Your computer must have an IP address in the same  
range of the device you are attempting to configure.  
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Windows Vista  
1. Click on Start.  
2. In the Start Search dialog box, type cmd and press Enter. See Step 3 below and  
continue from there.  
Windows 2000 and XP  
1. Click on Start and select Run.  
2. Type cmd then click OK.  
3. From the Command Prompt, enter ipconfig. It will return your IP Address, subnet  
mask, and default gateway.  
4. Type exit to close the command prompt.  
5. Check your IP Address. Your computer must have an IP Address in the same  
range of the device you are attempting to configure.  
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6. Make sure you take note of your computer´s Default Gateway IP Address. The  
Default Gateway is the IP Address of the T-Mobile router. By default, it should be  
192.168.0.1.  
How do I assign a static IP address  
Windows Vista  
1. Click the Windows Logo (Start) > Control Panel > Network and Internet >  
Network and Sharing Center > Manage Network Connections.  
2. See Step 2 for Windows 2000 and continue from there.  
Windows XP  
1. Click Start > Control Panel > Network and Internet Connections > Network  
connections.  
2. See Step 2 for Windows 2000 and continue from there.  
Windows 2000  
1. Right-click My Network Places icon on your computer’s desktop and select  
Properties.  
2. Right-click Local Area Connection, which represents your network card and  
select Properties.  
3. Highlight Internet Protocol (TCP/IP) and click Properties.  
4. Click Use the following IP Address and enter an IP address that is on the same  
subnet as the LAN IP address on your router. Example: If the router´s LAN IP  
address is 192.168.0.1, make your IP address 192.168.0.X where X = 2-99. Make  
sure that the number you choose is not in use on the network.  
5. Set the Default Gateway to be the same as the LAN IP address of your router  
(192.168.0.1).  
6. Set the Primary DNS to be the same as the LAN IP address of your router  
(192.168.0.1). The Secondary DNS is not needed or enter a DNS server from  
your ISP.  
7. Click OK twice. You may be asked if you want to reboot your computer. Click Yes.  
Windows 98 and ME  
1. From the desktop, right-click the Network Neighborhood icon (for Win ME –  
right-click My Network Places icon) and select Properties.  
2. Highlight TCP/IP and click the Properties button. If you have more than 1 adapter,  
then there will be a TCP/IP “Binding” for each adapter. Highlight TCP/IP > (your  
network adapter) and then click Properties.  
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3. Click Specify an IP Address.  
4. Enter in an IP address that is on the same subnet as the LAN IP address on your  
router. Example: If the router´s LAN IP address is 192.168.0.1, make your IP  
address 192.168.0.X where X is between 2-99. Make sure that the number you  
choose is not in use on the network.  
5. Click on the Gateway tab.  
6. Enter the LAN IP address of your router here (192.168.0.1).  
7. Click Add when finished.  
8. Click on the DNS Configuration tab. Click Enable DNS. Type in a Host (can be  
any word). Under DNS server search order, enter the LAN IP address of your  
router (192.168.0.1). Click Add.  
9. Click OK twice.  
When prompted to reboot your computer, click Yes. After you reboot, the  
computer will now have a static, private IP Address.  
10.Access the Web management. Open your web browser and enter the IP address  
of your T-Mobile device in the address bar. This should open the login page for the  
web management. Follow instructions to login and complete the configuration.  
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How can I set up TM-G5240 to work with a cable modem  
Dynamic cable connection  
Note: Please configure the TM-G5240 with the computer that was last connected directly  
to the cable modem. Try running the CD that came with the router first. If that does not  
work, follow the steps below.  
1. Access the TM-G5240’s Configuration menu by typing the TM-G5240’s IP address  
in your Web browser. The default IP address is 192.168.0.1.  
2. Login using your password. The default username is “admin” and the password is  
blank.  
3. At the Configuration menu, click the Home tab and click the WAN button.  
4. Make sure Dynamic IP Address is selected.  
5. Click Clone Mac Address.  
6. Click on Apply and then Continue to save the changes.  
7. Power cycle the cable modem and TM-G5240:  
Turn the cable modem off first. Turn the router off for two minutes. Turn the cable  
modem on first. Wait until you get a solid cable light on the cable modem and then  
turn the TM-G5240 on. Wait 30 seconds.  
Note: If you have a Motorola (Surf Board) modem, leave off for at least 5 minutes.  
8. Access the Configuration menu again.  
9. Click the Status tab and click the Device Info button. If you do not already have a  
public IP address under the WAN heading, click DHCP Renew and then click  
Continue.  
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Static cable connection  
1. Access the TM-G5240’s Configuration menu by typing the TM-G5240’s IP address  
in your Web browser.  
2. Login using your password. The default username is “admin” and the password is  
blank.  
3. Click the Home tab and click the WAN button.  
4. Select Static IP Address and type your static settings obtained from the ISP in  
the fields provided. If you do not know your settings, you must contact your ISP.  
5. Click Apply and then click Continue to save the changes.  
6. Click the Status tab and click the Device Info button. Your IP address information  
will be displayed under the WAN heading.  
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How can I set up my router to work with Earthlink DSL or any  
PPPOE connection  
Make sure you disable or uninstall any PPPoE software such as WinPoet or Enternet 300  
from your computer or you will not be able to connect to the Internet.  
1. Upgrade the firmware if needed. Visit the D-Link tech support web site at  
http://support.dlink.com for the latest firmware upgrade information.  
2. Reset the TM-G5240. Using a paperclip, press the reset button on the back of the  
TM-G5240 for 10 seconds. Release it and the TM-G5240 will recycle. The lights  
will blink and then stabilize.  
3. After the TM-G5240 stabilizes, access the TM-G5240’s Configuration menu by  
typing the TM-G5240’s IP address in your Web browser. The default IP address is  
192.168.0.1.  
4. Login using your password. The default username is “admin” and the password is  
blank. If the password dialog box does not open, repeat Step 2. Note: Do not run  
the Wizard.  
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5. Click the WAN button on the Home screen and select PPPoE.  
6. Select Dynamic PPPoE (unless your ISP supplied you with a static IP address).  
7. In the username field, type ELN/[email protected] and your password  
(where username is your own username).  
o For SBC Global users, type [email protected].  
o For Ameritech users, type [email protected].  
o For BellSouth users, type [email protected].  
o For Mindspring users, type [email protected].  
o For most other ISPs, type the username.  
8. Set the maximum idle time to zero. Set MTU to 1492, unless specified by your ISP,  
and set auto-reconnect to Enabled.  
Note: If you experience problems accessing certain websites and/or email issues, please set the  
MTU to a lower number such as 1472, 1452, etc. Contact your ISP for more information and the  
proper MTU setting for your connection.  
9. Click Apply. When prompted, click Continue. Once the screen refreshes, unplug  
the power to the TM-G5240.  
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10.Turn off your DSL modem for 2-3 minutes and then turn it back on. Once the  
modem has established a link to your ISP, plug the power back into the TM-G5240.  
Wait about 30 seconds and log back into the router.  
11.Click the Status tab on the Configuration menu where you can view the device  
information.  
12.Under WAN, click Connect.  
13.Click Continue when prompted. You should now see that the device info will show  
an IP address, verifying that the device has connected to a server and has been  
assigned an IP address.  
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How do I open ports on the TM-G5240  
To allow traffic from the Internet to enter your local network, you will need to open up  
ports or the TM-G5240 will block the request.  
1. Access the TM-G5240’s Configuration menu by typing the TM-G5240’s IP address  
in your Web browser. The default IP address is 192.168.0.1.  
2. Login using your password. The default username is “admin” and the password is  
blank.  
3. At Home page, click the Advanced tab then click the Virtual Server button.  
4. Select Enabled to activate entry.  
5. Type a name for your virtual server entry.  
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6. At Private IP, type the IP address of the computer on your local network that you  
want to allow the incoming service to.  
7. Select TCP, UDP, or Both for the protocol type. If you are not sure, select Both.  
8. Type the port information next to Private Port and Public Port. The private and  
public ports are usually the same. The public port is the port seen from the WAN  
side, and the private port is the port being used by the application on the computer  
within your local network.  
9. Type the Schedule information.  
10.Click Apply and then click Continue.  
Note: Make sure DMZ host is disabled. If DMZ is enabled, it will disable all Virtual Server entries.  
Because the TM-G5240 uses NAT (Network Address Translation), you can only open a specific  
port to one computer at a time. For example, if you have two Web servers on your network, you  
cannot open port 80 to both computers. You will need to configure one of the Web servers to use  
port 81. Now you can open port 80 to the first computer and then open port 81 to the other  
computer. For more information, visit http://support.dlink.com/faq/view.asp?prod_id=1191.  
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How do I open a range of ports on the TM-G5240 using firewall  
rules  
1. Access the TM-G5240’s Configuration menu by typing the TM-G5240’s IP address  
in your Web browser. The default IP address is 192.168.0.1.  
2. Login using your password. The default username is “admin” and the password is  
blank.  
3. At Home page, click the Advanced tab then click the Firewall button.  
4. Click on Enabled and type in a name for the new rule.  
5. Select WAN as the Source and type a range of IP addresses out on the Internet  
that you would like this rule applied to. If you would like this rule to allow all  
Internet users to be able to access these ports, then put an asterisk in the first box  
and leave the second box empty.  
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6. Select LAN as the Destination and type the IP address of the computer on your  
local network that you want to allow the incoming service to. This will not work with  
a range of IP addresses.  
7. Type the port or range of ports that are required to be open for the incoming  
service.  
8. Click Apply and then click Continue.  
Note: Make sure DMZ host is disabled. Because the TM-G5240 uses NAT (Network Address  
Translation), you can only open a specific port to one computer at a time. For example, if you have  
two Web servers on your network, you cannot open port 80 to both computers. You will need to  
configure one of the Web servers to use port 81. Now you can open port 80 to the first computer  
and then open port 81 to the other computer.  
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Limited Warranty  
(USA only)  
Subject to the terms and conditions set forth herein, D-Link Systems, Inc. (“D-Link”) provides this Limited Warranty:  
Only to the person or entity that originally purchased the product from D-Link or its authorized reseller or distributor, and  
Only for products purchased and delivered within the fifty states of the United States, the District of Columbia, U.S. Possessions or  
Protectorates, U.S. Military Installations, or addresses with an APO or FPO.  
Limited Warranty:  
D-Link warrants that the hardware portion of the D-Link product described below (“Hardware”) will be free from material defects in workmanship  
and materials under normal use from the date of original retail purchase of the product, for the period set forth below (“Warranty Period”), except  
as otherwise stated herein.  
Hardware (excluding power supplies and fans): One (1) year  
Power supplies and fans: One (1) year  
Spare parts and spare kits: Ninety (90) days  
The customer's sole and exclusive remedy and the entire liability of D-Link and its suppliers under this Limited Warranty will be, at D-Link’s  
option, to repair or replace the defective Hardware during the Warranty Period at no charge to the original owner or to refund the actual  
purchase price paid. Any repair or replacement will be rendered by D-Link at an authorized D-Link service agent. The replacement hardware  
need not be new or have an identical make, model or part. D-Link may, at its option, replace the defective Hardware or any part thereof with any  
reconditioned product that D-Link reasonably determines is substantially equivalent (or superior) in all material respects to the defective  
Hardware. Repaired or replacement hardware will be warranted for the remainder of the original Warranty Period or ninety (90) days, whichever  
is longer, and is subject to the same limitations and exclusions. If a material defect is incapable of correction, or if D-Link determines that it is not  
practical to repair or replace the defective Hardware, the actual price paid by the original purchaser for the defective Hardware will be refunded  
by D-Link upon return to D-Link of the defective Hardware. All Hardware or part thereof that is replaced by D-Link, or for which the purchase  
price is refunded, shall become the property of D-Link upon replacement or refund.  
Limited Software Warranty:  
D-Link warrants that the software portion of the product (“Software”) will substantially conform to D-Link’s then current functional specifications  
for the Software, as set forth in the applicable documentation, from the date of original retail purchase of the Software for a period of one (1)  
year (“Software Warranty Period”), provided that the Software is properly installed on approved hardware and operated as contemplated in its  
documentation. D-Link further warrants that, during the Software Warranty Period, the magnetic media on which D-Link delivers the Software  
will be free of physical defects. The customer's sole and exclusive remedy and the entire liability of D-Link and its suppliers under this Limited  
Warranty will be, at D-Link’s option, to replace the non-conforming Software (or defective media) with software that substantially conforms to D-  
Link’s functional specifications for the Software or to refund the portion of the actual purchase price paid that is attributable to the Software.  
Except as otherwise agreed by D-Link in writing, the replacement Software is provided only to the original licensee, and is subject to the terms  
and conditions of the license granted by D-Link for the Software. Replacement Software will be warranted for the remainder of the original  
Warranty Period and is subject to the same limitations and exclusions. If a material non-conformance is incapable of correction, or if D-Link  
determines in its sole discretion that it is not practical to replace the non-conforming Software, the price paid by the original licensee for the non-  
conforming Software will be refunded by D-Link; provided that the non-conforming Software (and all copies thereof) is first returned to D-Link.  
The license granted respecting any Software for which a refund is given automatically terminates.  
Non-Applicability of Warranty:  
The Limited Warranty provided hereunder for Hardware and Software portions of D-Link's products will not be applied to and does not cover any  
refurbished product or other product purchased through the inventory clearance or liquidation sale or other sales in which D-Link, the sellers, or  
the liquidators expressly disclaim their warranty obligation pertaining to the product and in that case, the product is being sold "As-Is" without  
any warranty whatsoever including, without limitation, the Limited Warranty as described herein, notwithstanding anything stated herein to the  
contrary.  
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Submitting A Claim:  
The customer may obtain warranty service by calling customer care at 1-800-937-8997 or may, subject to applicable return policies, return the  
product to the original place of purchase  
What Is Not Covered:  
The Limited Warranty provided herein by D-Link does not cover: Products that, in D-Link’s judgment, have been subjected to abuse, accident,  
alteration, modification, tampering, negligence, misuse, faulty installation, lack of reasonable care, repair or service in any way that is not  
contemplated in the documentation for the product, or if the model or serial number has been altered, tampered with, defaced or removed; Initial  
installation, installation and removal of the product for repair, and shipping costs; Operational adjustments covered in the operating manual for  
the product, and normal maintenance; Damage that occurs in shipment, due to act of God, failures due to power surge, and cosmetic damage;  
Any hardware, software, firmware or other products or services provided by anyone other than D-Link; and Products that have been purchased  
from inventory clearance or liquidation sales or other sales in which D-Link, the sellers, or the liquidators expressly disclaim their warranty  
obligation pertaining to the product. While necessary maintenance or repairs on your Product can be performed by any company, we  
recommend that you use only an authorized D-Link service agent. Improper or incorrectly performed maintenance or repair voids this Limited  
Warranty.  
Disclaimer of Other Warranties:  
EXCEPT FOR THE LIMITED WARRANTY SPECIFIED HEREIN, THE PRODUCT IS PROVIDED “AS-IS” WITHOUT ANY WARRANTY OF ANY  
KIND WHATSOEVER INCLUDING, WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR  
PURPOSE AND NON-INFRINGEMENT. IF ANY IMPLIED WARRANTY CANNOT BE DISCLAIMED IN ANY TERRITORY WHERE A  
PRODUCT IS SOLD, THE DURATION OF SUCH IMPLIED WARRANTY SHALL BE LIMITED TO THE DURATION OF THE APPLICABLE  
WARRANTY PERIOD SET FORTH ABOVE. EXCEPT AS EXPRESSLY COVERED UNDER THE LIMITED WARRANTY PROVIDED HEREIN,  
THE ENTIRE RISK AS TO T HE QUALITY, SELECTION AND PERFORMANCE OF THE PRODUCT IS WITH THE PURCHASER OF THE  
PRODUCT.  
Limitation of Liability:  
TO THE MAXIMUM EXTENT PERMITTED BY LAW, D-LINK IS NOT LIABLE UNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY  
OR OTHER LEGAL OR EQUITABLE THEORY FOR ANY LOSS OF USE OF THE PRODUCT, INCONVENIENCE OR DAMAGES OF ANY  
CHARACTER, WHETHER DIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL (INCLUDING, BUT NOT LIMITED TO, DAMAGES FOR  
LOSS OF GOODWILL, LOSS OF REVENUE OR PROFIT, WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, FAILURE OF  
OTHER EQUIPMENT OR COMPUTER PROGRAMS TO WHICH D-LINK’S PRODUCT IS CONNECTED WITH, LOSS OF INFORMATION OR  
DATA CONTAINED IN, STORED ON, OR INTEGRATED WITH ANY PRODUCT RETURNED TO D-LINK FOR WARRANTY SERVICE)  
RESULTING FROM THE USE OF THE PRODUCT, RELATING TO WARRANTY SERVICE, OR ARISING OUT OF ANY BREACH OF THIS  
LIMITED WARRANTY, EVEN IF D-LINK HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. THE SOLE REMEDY FOR A  
BREACH OF THE FOREGOING LIMITED WARRANTY IS REPAIR, REPLACEMENT OR REFUND OF THE DEFECTIVE OR NON-  
CONFORMING PRODUCT. THE MAXIMUM LIABILITY OF D-LINK UNDER THIS WARRANTY IS LIMITED TO THE PURCHASE PRICE OF  
THE PRODUCT COVERED BY THE WARRANTY. THE FOREGOING EXPRESS WRITTEN WARRANTIES AND REMEDIES ARE  
EXCLUSIVE AND ARE IN LIEU OF ANY OTHER WARRANTIES OR REMEDIES, EXPRESS, IMPLIED OR STATUTORY .  
Governing Law:  
This Limited Warranty shall be governed by the laws of the State of California. Some states do not allow exclusion or limitation of incidental or  
consequential damages, or limitations on how long an implied warranty lasts, so the foregoing limitations and exclusions may not apply. This  
limited Warranty provides specific legal rights and you may also have other rights which vary from state to state.  
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Trademarks:  
D-Link is a registered trademark of D-Link Systems, Inc. Other trademarks or registered trademarks are the property of their respective owners.  
Copyright Statement:  
No part of this publication or documentation accompanying this product may be reproduced in any form or by any means or used to make any  
derivative such as translation, transformation, or adaptation without permission from D-Link Corporation/D-Link Systems, Inc., as stipulated by  
the United States Copyright Act of 1976 and any amendments thereto. Contents are subject to change without prior notice. Copyright 2005 by  
D-Link Corporation/D-Link Systems, Inc. All rights reserved.  
CE Mark Warning:  
This is a Class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take  
adequate measures.  
FCC Statement:  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These  
limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses,  
and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to  
radio communication. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause  
harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try  
to correct the interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
For detailed warranty information applicable to products purchased outside the United States, please contact the  
corresponding local D-Link office.  
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