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B921 / B922 / B923 / B924 Class B (CS) AIS Transceivers
Troubleshooting

Articles in this section

How do I troubleshoot Low Forward Power Alarm?
When the chartplotter is not displaying any AIS target information when connected to the unit?
What does the RX 1 / RX 2 DSC start / Stop message mean?
What do the LEDs indicate?
How to create a diagnostics log using proAIS2?
What is the B900 power/data cable pin-out?
Why isn't my B900 Series transceiver detected when connecting via USB?
How to multiplex data from NMEA 0183 port 2 over Wi-Fi / Bluetooth?
Why can't I see my B900 on AIS websites?

What is the B900 power/data cable pin-out?

15 July 2025 08:52

The pin-out for the B900 power/data cable is below:

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