19216811.liveVigor2800 Series User’s Guide
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5.5 Problems for 3G Network Connection
When you have trouble in using 3G network transmission, please check the following:
Check if USB LED lights on or off
You have to wait about 15 seconds after inserting 3G USB Modem into your Vigor2800.
Later, the USB LED will light on which means the installation of USB Modem is successful.
If the USB LED does not light on, please remove and reinsert the modem again. If it still
fails, restart Vigor2910.
USB LED lights on but the network connection does not work
Check the PIN Code of SIM card is disabled or not. Please use the utility of 3G USB Modem
to disable PIN code and try again. If it still fails, it might be the compliance problem of
system. Please open DrayTek Syslog Tool to capture the connection information (WAN Log)
and send the page (similar to the following graphic) to the service center of DrayTek.
Transmission Rate is not fast enough
Please connect your Notebook with 3G USB Modem to test the connection speed to verify if
the problem is caused by Vigor2800. In addition, please refer to the manual of 3G USB
Modem for LED Status to make sure if the modem connects to Internet via HSDPA mode. If
you want to use the modem indoors, please put it on the place near the window to obtain
better signal receiving.
5.6 Backing to Factory Default Setting If Necessary
Sometimes, a wrong connection can be improved by returning to the default settings. Try to
reset the router by software or hardware.
Warning:
After pressing
factory default setting
, you will loose all settings you
did before. Make sure you have recorded all useful settings before you pressing.
The password of factory default is null.