...
2.- Insert the SIM card into the “Master” NGC controller’s SIM card slot with the contacts up and the angled corner to the up.
Configuration of the GSM in charger.
Log on to the charger by the use of micro USB cable, and log onto the charger via laptop. As described in chapter 5
Open the page called "Operator" and find the following parameters.
Figure 10 Parameters for GSM connectivity
Configure these as they relevant for the installation.