Humminbird's 788ci HD, 788ci HD DI, 798ci HD SI, 858c, 858c HD, 858c DI, 858c HD DI, 898c SI, 898c HD SI, 958c, 958c HD, 958c DI, 958c HD DI, 998c SI, 998c HD SI, 1157, 1158, 1197 and 1198 will all support this feature.
Connecting an AIS to a Humminbird Unit
If your AIS ships with a pigtail connection, you can connect your Humminbird control head to it via the AS HHPGS
1. Check the AIS installation guide to find the transmit, receive and ground wire colors
2. Connect the wires on the AIS pigtail to the AS HHGPS according to the below chart.
3. Heat shrink or tape the connections
4. Heat shrink or tape the AS HHGPS red wire.
5. Connect the AS HHGPS cable to the Humminbird unit at the RS232 port.
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Wiring Information
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AS HHGPS Cable
RS232
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AIS Data Cable
RS232
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Green (Receive)
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Transmit
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White (Transmit)
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Receive
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Black (Ground)
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Ground
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For additional information please read more.