Upgrading older system...

[FishBut]

Thanks Chuck. Guess I was thinking the sensor received power from the MFD but understand now.

I am considering a new sensor. Looking at the Raymarine 130 with a seaTalk NG cable. My two E120ws, DSM 300 and radome are all connected via seaTalk HS network hub. Wanted to ask if the new 300 would plug directly to the master E120w using the NG cable? Or would it require the NG "backbone"?

Thanks!