2.9 LTE/UMTS/GSM Module

Description of Connection

The module is not part of the Central Unit.

1. Disconnect the CU from the mains supply.
2. Loosen the three screws on the CU upper cover. 
3. Move the CU upper cover in such a way that you can remove it.
4. Proceed with caution while removing the cover: be careful about the drain wire connecting the cover with the CU bottom part. Do not disconnect the wire unless there is a reason to do so!
5. Disconnect the back-up rechargeable batteries if available using the battery – CU connecting cable FASTON terminals.

6. Remove the sealing ring from the CU cover.

7. Be careful while mounting the module: push the antenna connector through the CU cover.

8. Mount the module onto the externally threaded spacers and connect it to the motherboard connector.

9. Be careful while putting the module on the pins. Make sure that you have connected all the pins to the module connector.

10. If you have mounted the connector pins correctly, use 1 bolt spacer and 2 threaded spacers to fit the module. Use a 5mm hex socket wrench to fit the spacers.
    

11. Now insert the SIM card and connect the antenna.
    Connect the antenna.
12. Connect the rechargeable batteries. Reconnect the cover – CU bottom connecting drain wire if disconnected. Replace the cover and tighten the 3 screws.
13. Connect the CU to the mains supply.

For parameters 011–016, 021–026, 071–076 and 081–086: If the call is routed to a mobile network (2G, 3G, VoLTE), just enter the phone number (602123456, e.g.).
If the call is routed via SIP, enter "sip" before the phone number (sip:602123456, e.g.). And remember to connect the device to the SIP server.

Signal Strength Levels