电源及指示灯和开关机复位按钮（DC Power，Power Button and LED，Power Button and LED）
From ESS-WIKI
DC Power Jack (DCIN1)
RSB-4710 supports a DC jack header that can be connected to a 12VDC external power input.
| Pin | Description |
| 1 | V_DC_IN (12V) |
| 2 | GND |
| 3 | GND |
Power Button and LED (BTN)
RSB-4710 supports a power button, power LED light, and 4G LED light via two 3-pin headers. A cable (Advantech part number: 1700031120-01) can be used to connect the power button.
| Pin | Pin Name |
| 1 | PWR_BTN (PWR_BTN+) |
| 2 | GND (PWR_BTN-) |
| 3 | PWR_LED (PWR_LED+) |
| 4 | GND (PWR_LED-) |
| 5 | +3.3V_PCIe (4G_LED+) |
| 6 | 4GLED_WWAN#(4G_LED-) |
