JRC JLN-900 Installation And Instruction Manual page 299

5. Electrical power supply
The STW Device and the SOG Device should be powered from different sources. The exact
connection is dependent on class requirements. The below figure is an example from DNV,
C100 Main Electrical Power Supply:
Main Switchboard
Nav equipment
A
A1 A2
Local Distribution Panel
Change Over Switch
Nav equipment
B
B1 B2
Emergency Switchboard
Nav equipment
C
15-5
Nav equipment
D