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ADSL2/2+ Router
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Appendix 2
1. Troubleshooting
Trouble Case
Troubleshooting
Power
LED
Off
●
Check if the power adapter is connected properly.
●
Check if the power adapter is matched.
ADSL
LINK
Off
●
Check if the ADSL cable connection is OK.
●
Make sure the telephone line is OK with your
phone.
●
Check the phone line cabling is right.
LAN LINK
Off
●
Check the Ethernet cable is OK.
●
Make sure the PC’s NIC indicator is ON.
●
Make sure the NIC works normally.
Can’t access
the Internet
●
Make sure the above troubles are clear.
●
Make sure the dial-up connection is established
and set up.
●
Make sure the user name and password are right.
●
If the dial-up is OK, please make sure the IE
proxy server is configured properly.
●
Please try opening multiple web pages
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ADSL2/2+ Router
2. Verifying the Connection
First, click the start menu
on the left bottom corner of your
computer desktop.
Then, input “cmd” in the search programs and file texts box and press
“enter’.
Finally, Open the dos window and enter “ping 192.168.1.1”, and press
Enter. If the screen displays the following results, it indicates your
computer has already been connected to the router.
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ADSL2/2+ Router
Now the direct link between your computer and the router has been
successfully established, which means you can log on to the router’s
web-based utility.
2.
If the screen shows as below, it indicates the connection hasn’t
been established. Then please check the previous settings, the
power of the Router, and the cables between the Router and the
computer. Then try to set it again.
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ADSL2/2+ Router
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3. FAQ
Q: How do I judge whether ADSL connection is OK?
A: After the hardware is connected correctly, when the connection is OK,
the “ADSL-LINK” indicator of W300D will be always on; otherwise, it will
be flashing. Flashing indicates the connection is troubled or wrong.
Please consult your ISP or connect your cables again.
Q: I’m an ADSL user, but why sometimes I cannot access the
Internet?
A: Because ADSL adds high frequency digital signal to the low
frequency audio of common telephone line, any device added in the
connection between the telephone company and the ADSL filter will
jeopardize the normal data transmission. We recommend you avoid
connecting telephone or other devices before filter.
Q: If my place is far from the telecommunication office, can I install
ADSL?
A: At present, ADSL2+ technology controls the distance under 6.5KM.
Because ADSL2+ has high requirements for the line, it is better to keep
the distance under 3KM for good quality.
Q: Will ADSL be disconnected like 56K Modem?
A: Regardless whichever device is, it might be troubled at times. ADSL
line is also disconnected sometimes, but this good quality line can
reduces the chance to be disconnected.
Q: I opened ADSL service, but can I use ADSL2+ Modem?
A: Absolutely, ADSL2+ can comply with all the ADSL services. When
your ISP offers you ADSL2+ service, you avoid buying another modem.
In addition, the price of ADSL2+ is almost the same as ADSL, so
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ADSL2/2+ Router
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ADSL2+ is a reasonable choice.
Q: What are VPI, VCI?
A
：
VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) are to
identify ATM terminal (ADSL) for DSLAM, usually provided the local
ISP.
Q: What related parameters are required from your ISP?
A: For dial user, Connection protocol, User name, Password, Value of
VPI/VCI, Encapsulation mode and so on.
Q: The firmware upgrade fails and why can’t I enter the Web-based
management interface?
A: Contact the technical engineer for support or after-sales service
engineer.
Note:
Please download the upgrade packets from the Tenda website.
Q: How do I restore my device to factory default value?
A: There is a reset button on the Router. Follow the steps below to
restore the device:
1) Keep the device in running status.
2) Keep pressing the reset button for about 5 seconds with a tip object.
When you release the button, the reset is finished.
Q: How can I obtain a correct DNS server address?
A: 1) Inquiry your ISP to obtain DNS parameters;
2) After the Router successfully logins to the Web-based management
interface, select “Running Status” on the menu and you can check the
DNS parameters and record.
Q: Which factors affect the wireless signals?

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