4 Verify the orientation of the HS75, then tighten the jam nut to the bottom of the pole mount
bracket to a torque of 11 - 13 Nm (8 – 10 lbs-ft).
Wiring details
The HS75 has a standard NMEA 2000 Micro-C connector, used for both power and data
communication.
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).
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Installation | HS75 User Manual
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