Robustel R2000 User Guide
RT_UG_R2000_v.3.0.0 July 24, 2017 101 / 124
Confidential
Chapter 4 Configuration Examples
4.1 Cellular
4.1.1 Cellular Dial-Up
This section shows you how to configure the primary and backup SIM card for Cellular Dial-up. Connect the router
correctly and insert two SIM, then open the configuration page. Under the homepage menu, click Interface > Link
Manager > Link Manager > General Settings, choose “WWAN1” as the primary link and “WWAN2” as the backup link,
and set “Cold Backup” as the backup mode, then click “Submit”.
Note: All data will be transferred via WWAN1 when choose WWAN1 as the primary link and set backup mode as cold
backup. At the same time, WWAN2 is always offline as a backup link. All data transmission will be switched to
WWAN2 when the WWAN1 is disconnected.
Click the edit button of WWAN1 to set its parameters according to the current ISP.