Furuno FEA-2807 - A8.2 Serial Interface

Appendix 8: Digital Interface
AP-117
A8.2 Serial Interface
A8.2.1 Input ports
Log, wind, depth and navigation sensors
HCPL061N
RD-A
RD-B
Photo Coupler
330 ohm
AIS transponder, heading
HCPL061N
RD-A
RD-B
Photo Coupler
82 ohm
Absolute maximum rating
Input
Forward current: 50mA
Reverse voltage: 3V
Output
Supply voltage: 7V
High level output voltage: 7V
Low level output current: 50mA