Power supply connectors
The HT20470 Processor Unit is available in two versions. The DC version operates on +24 VDC while the AC version operates on 100 to 240 VAC.
A suitable power supply may be provided with the sonar system delivery. The power supply offers a 24  VDC output. Connections are made using two terminal boards.
Image
•  Manufacturer: Mean Well
•  Manufacturer’s website: https://www.meanwell.com
•  Type designation: SDR-240-24
•  Kongsberg Maritime part number488156
Note
This connection is specific for the HT20470 computer.
Connections
TB1 Input (88-264 VAC) TB2 Output (DC voltage)
Pin Voltage Pin Voltage
1 Ground 1,2 Relay contacts
2 Neutral 3,4 +24 VDC
3 Live 5,6 Ground