Simrad HS 75 - Wiring and Connections; NMEA 2000 Connector Pinout; Electrical Isolation

11
Wiring
The HS75 has a standard NMEA 2000
®
Micro-C connector, used for both power and data
communication.
2
1
3
4
5
Pin Purpose
1 Shield
2 NET-S (+12 V DC)
3 NET-C (DC negative)
4 NET-H
5 NET-L
Electrical isolation
The HS75 power supply is isolated from the communication lines and the PC-ABS plastic enclosure
isolates the electronics mechanically from the vessel (addressing the issue of vessel hull electrolysis).