Knowledgebase: Internet Access (WAN)
Configuring the Vigor2820 for Dialup Backup Connection
Posted by on 15 February 2012 11:04 AM

The Vigor2820 now supports the use of a dial-up analogue modem which can be used a backup in the event of the of ADSL line failure.

Vigor2820 requires firmware version 3.3.5.1 and above.

Supported FAX Modem: AFM-102 USB FAX Modem.

Step 1

The USB Modem menu will appear after the router is restarted with the USB FAX modem attached to the router as shown below:

http://www.draycare.com.au/dfaq/image/Internet_Access/06/WAN_21.JPG

Enter the required ISP details for the dial-up connection.

STEP 2

Go to "WAN>>Internet Access" configuration menu.

In "USB Modem Backup Setup"  select "Always On"  for the option in th epull down menu.

 

Modem backup

 

Additional info at: http://www.draytek.co.uk/support/kb_analogue_backup.html but it appears to be out of date as new firmware does not have WAN3 option.

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