Draytek vigor2920 series User Manual page 125

Available settings are explained as follows:
Item
3G/4G USB Modem (PPP
mode)
WAN Connection
Detection
After finishing all the settings here, please click OK to activate them.
Description
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).
PPP Authentication - Select PAP only or PAP or CHAP
for PPP.
Index (1-15) in Schedule Setup - You can type in four sets
of time schedule for your request. All the schedules can be
set previously in Application >> Schedule web page and
you can use the number that you have set in that web page
Such function allows you to verify whether network
connection is alive or not through ARP Detect or Ping
Detect.
Mode – Choose ARP Detect or Ping Detect for the system
to execute for WAN detection.
Ping IP – If you choose Ping Detect as detection mode, you
have to type IP address in this field for pinging.
TTL (Time to Live) – Displays value for your reference.
TTL value is set by telnet command.
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Vigor2920 Series User's Guide