I am disappointed about the lack of answers. There are so many questions in this forum without answers which indicates that Teltonika does not give a damn.
Anyway, here is an excellent resource:
http://www.youtube.com/watch?v=J5QJb3O19zI
Also, here is a potential setup scenario:
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Setting up a Failover System
https://www.youtube.com/watch?v=J5QJb3O19zI
1) Modem
2) Cell Router WAN Port ----------- >>>> Modem
WAN is default (not static)
LAN is 192.168.1.1
DHCP 192.168.1.10 - 192.168.1.254
Wireless Channel 1, 6 or 11
Advanced Settings – Failover ON
3) Wireless Router ------- >>> Any LAN port on Cell Router
LAN is 192.168.1.10
DHCP OFF
Wireless Channel 1, 6 or 11 (different from cell wireless channel)
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