MAX-OTG - Vodafone india modem not connecting

We are using MAX-OTG (Serial No – 2931-XXXX-A458)
and want to connect 4 nos of Vodafone 3 G modems (K3770-Z)

Kindly Note Vodafone id providing ONLY Private IP with the SIM

When the Modems (K3770-Z) are connect to the device(MAX-OTG) we are NOT able to get Internet connection.

Kindly suggest and guide to do the Installation

Found that you had open a support ticket regarding to the above request as well. Support team will follow with you shortly.

Please make sure you have the following setup ready for the support team to further check from the device. Private IP SIM should work fine for the cellular connections as long the traffics is route-able for the ISP.