Standard Horizon CP180 Owner's Manual page 19

2.4.3.1 Connection a VideoCamera, FF525, AIS receiver, VHF and Autopilot
Port2 Input and Output is used by the optional FF525. In the diagram above you will notice Port2
Input and Output wires are shown in gray and not used.
Port4, and 5 Outputs are can be connected to NMEA devices* capable of listening to NMEA0183
sentences.
Port4, and 5 Inputs can be connected to NMEA devices* capable of outputting to NMEA0183
sentences.
The Input and Output baud rate for each Port is set using the Advanced
Setup>In/Out Connections menu. For example if Port1 is set for AIS 38400, the
Input Port operates at 38400 baud and the Output Port is disabled.
RS232 not opto-isolated electrical interface
2.4.3.2 AIS Setup
The CP300 or CP300i has to be set up to be able to receive NMEA information from the AIS
receiver. The GPS Chart Plotter reads the AIS NMEA message VMD, type 1, 2, 3 and 5 for
AIS Class A and type 18, 19, 24 for AIS Class B. Select the used serial port and transmission
speed by following the procedure:
GPS Chart Plotters
NOTE
NOTE*
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