Appendix 8: Digital Interface
AP-94
A8.1.5 Serial interface: input ports
Heading, log, wind, depth and navigation sensors
HCPL061N
RD-A
RD-B
Photo Coupler
330k
AIS transponder
HCPL061N
RD-A
RD-B
Photo Coupler
82k
Absolute maximum rating
Input
Forward current: 50mA
Reverse voltage: 3V
Output
Supply voltage: 7V
High level output voltage: 7V
Low level output current: 50mA