GSM/GPRS/3G/4G/NB-IoTSensor To Cloud IoT SeriesPage 9 of 37 King Pigeon Hi-Tech. Co., Ltd Ver 1.12 Yellow line positive line of DO positive line of DIN positive line of AIN (4~20mA or 0~5V) Data line of DS18B20 Data line of AM2301 Line A(DATA+) of RS4853 White line For VCC line of DS18B20 For VCC line of AM2301 For Line B(DATA-) of RS485Ant Antenna interface6.3. SIM Card InstallationAt the bottom of the indicator light is the self-propelled nano SIM card block, with the SIM card inthe direction of the chip down and the gap in the direction, and the side of the metal shell has an openingthat can insert the card directly. The waterproof shell needs to be opened to insert the card.7. Factory Data ResetSome methods to restore factory settings:(1) connect the computer configuration software and reset it by the "Reset" button of the configurationsoftware;(2) remote reset by sending the message instruction "password+RESET", if success to reset , you will getthe returning message.(3) open the shell, you can see the only small button K1 (near the terminal block), long press the button 3seconds during the device is powered on. If I/O indicator light is on for 3 seconds, that indicates asuccessful reset (the I/O indicator light of the DO output model flash only one second to showsuccessful).