Initial power up of Discovery 2G Plus RS485

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 Input (AN) / Digital Input (DI)- 2
4	White	Digital Output (DO)- 1
5	Violet	1-Wire Power
6	Grey	RS 485(TX)
7	Black	Ground
8	Yellow	Analog Input (AN)/ Digital Input (DI)- 1
9	Orange	Digital Output (DO)-2
10	Pink	Ignition - EV
11	Sky Blue	1-Wire Sensor Data
12	Brown	RS 485(RX)