
Appendix C: Inserting the GSM Modem in the
Firefighter Gateway
NOTE
The GSM modem should be purchased separately.
To turn off the inverter, disconnect the AC and insert a SIM card:
1. Turn the inverter Safety Switch (if applicable) to OFF.
2. Turn the inverter ON/OFF switch to OFF.
3. Disconnect the AC to the inverter by turning OFF the circuit breakers on the
distribution panel. Wait 5 minutes for the capacitors to discharge.
4. Open the Firefighter Gateway cover.
5. If there is no SIM card installed in the modem, insert one into the slot on the
GSM modem.
Figure 23: Inserting the SIM card into the GSM modem
To install the GSM modem in the Firefighter Gateway:
1. Insert the top of the plastic spacer through the opening in the GSM modem, as
Figure 24: GSM modem on a Firefighter Gateway board
2. Connect one end of the cable to the GSM modem connector.
Appendix C: Inserting the GSM Modem in the Firefighter Gateway
54
Firefighter Gateway Installation Guide MAN-01-00113-1.4