The following figure illustrates AWS810 components inside the enclosure. Some of the components are optional. Figure 1. AWS810 main components inside ENC652 1 Enclosure ENC652 2 Backup battery 12 V / 24 or 28 Ah 3 Digital barometer PTB330 4 Optional backup battery 12 V / 24 or 28 Ah 5 Battery mounting clamp 6 Backplate 7 DC terminal box assembly 8 Ethernet surge protector 9 Battery management unit BMU801 10 Data management unit DMU801 11 Door switch 12 Cabling box 13 Rubber or stainless‑steel flange (2 pcs) 14 DC/DC converter 15 Pressure port 16 External DC or sensor heating circuit breakers 17 Radiation shield 18 Sensor grounding rail 19 Type label 20 Communication device, such as leased-line modem or GOES transmitter (optional) 21 AC/DC power supply 22 AC (mains) input assembly