Thanks all for the reply from the info I have here I should be able to purchase the above 2 items and be all set I just need to remove the LSS-2 box and install the 3d box in it’s place hook up the 2 Ethernet cables used on the LSS-2 Box, remove the LSS-2 Transducer, install the 3D in it’s place, Replace the two heads and be ready..
The Basement is getting full of electronics 1 2 season LCX 111 C with new Transducer plus a 2 season HDS Gen1 10in 1 HDS Gen1 8in and LSS-1 Stucture Scan box and Transducer an now a 2 Season HDS Gen2 10in and HDS Gen2 8in plus LSS-2 Box and Transducer