Draytek Vigor2912 User Manual page 133

Modem Initial String2
Modem Dial String
Service Name
PPP Username
PPP Password
PPP Authentication
Index (1-15) in Schedule
Setup
WAN Connection
Detection
After finishing all the settings here, please click OK to activate them.
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.
The maximum length of the string you can set is 47
characters.
Such value is used to dial through USB mode. 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 31
characters.
Enter the description of the specific network service.
Type the PPP username (optional). The maximum length of
the name you can set is 63 characters.
Type the PPP password (optional). The maximum length of
the password you can set is 62 characters.
Select PAP only or PAP or CHAP for PPP.
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. If you choose Ping Detect as
the detection mode, you have to type required settings for
the following items.

Primary/Secondary Ping IP – If you choose Ping
Detect as detection mode, you have to type Primary or
Secondary IP address in this field for pinging.

TTL (Time to Live) – Set TTL value of PING
operation.

Ping Interval – Type the interval for the system to
execute the PING operation.

Ping Retry – Type the number of times that the system
is allowed to execute the PING operation before WAN
disconnection is judged.
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Vigor2912 Series User's Guide