Initial power up of Discovery 2G Plus RS232

How to insert Micro-SIM card

1. Remove the cover: Gently push the top and bottom cases of the Discovery 2G apart with both hands to open the device.

2. Insert Micro-SIM: Place the Micro-SIM card into the SIM holder, ensuring the cut-off corner faces away from the slot.

3. Reattach the cover: Securely attach the device cover back into place.

4. Your device is now ready for connection.

Figure 1	Figure 2
Figure 3	Figure 4

For optimal performance and to prevent damage, always ensure the device is fully powered off—with both external power and the internal battery disconnected—before inserting or removing the Micro-SIM card. Failure to do so could result in a damaged Micro-SIM card or the device failing to detect it.

2x6 socket pinout

Pin No. Cable Color Feature 1 Red 9 to 90V 2 Green Ignition-Non EV 3 Blue Analog In(AN) / Digital In(DI)- 2 4 White Digiital Out (DO)- 1 5 Violet 1-Wire Power 6 Grey RS232(Tx) 7 Black Ground 8 Yellow Analog In(AN) / Digital In(DI)- 1 9 Orange Digital Out(DO) - 2 10 Pink Ignition-EV 11 Sky Blue 1-Wire Sensor Data 12 Brown RS232(Rx)