NN3D BB with DFF1

Trying to set up my second BB on another boat. The dip switch on the DDF1 are all set to off per the instruction, the BB doesn't see the DDF1. The standby light doesn't blink. However, when I put the dip switch #1 to on of the DFF1, BB see the sounder. Is there a setting at the BB end I failed to configuration?

thanks for your time.
 
The symptoms indicate that you have a power sync problem that passes the signal to turn on the sounder. When you have all the DFF1 mode switches up, do you also have the power sync switches in your HUB101 for the DFF1 and where your MFDs connect setup for ON?
 
Thanks.. OOPS.. I am connecting this directly to the NN3DBB's RJ45 port and that all the PS switches was set to OFF, I just turn them all on and all is well now. Thanks for the tip.
 
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