User`s guide

Vigor2850 Series User’s Guide
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To use PPP (for 3G USB Modem) as the accessing protocol of the internet, please choose
Internet Access from WAN menu. Then, select PPP mode for WAN2. The following web
page will be shown.
Enable / Disable
Click Enable for activating this function. If you click Disable,
this function will be closed and all the settings that you adjusted
in this page will be invalid.
SIM PIN code
Type PIN code of the SIM card that will be used to access
Internet.
Modem Initial String
Such value is used to initialize USB modem. Please use the
default value. If you have any question, please contact to your
ISP.
APN Name
APN means Access Point Name which is provided and required
by some ISPs. Type the name and click Apply.
Modem Initial String2
The initial string 1 is shared with APN.
In some cases, user may need another initial AT command to
restrict 3G band or do any special settings.
Modem Dial String
Such value is used to dial through USB mode. Please use the
default value. If you have any question, please contact to your
ISP.
PPP Username
Type the PPP username (optional).
PPP Password
Type the PPP password (optional).
Always On
If you want to connect to Internet all the time, you can check
Always On.