Operation Manual

Vigor2120 Series User’s Guide
122
Available settings are explained as follows:
Item Description
Modem Support List
It lists all of the modems supported by such router.
3G /4G USB Modem (PPP
mode)
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.
The maximum length of the PIN code you can set is 15
characters.
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.
The maximum length of the string you can set is 47
characters.
APN Name
APN means Access Point Name which is provided and
required by some ISPs. Type the name and click Apply.
The maximum length of the name you can set is 43
characters.