"Grumpy" wrote in message
...
No problem with that but the Furuno has TD-A, TD-B, RX-A, RX-B, do I just
use 1 set ie. A or B?

Furuno --- Magellan
TD-A ----- RX
Ground ----- Ground
RX-A ----- TX
RX-B ----- Ground

TD-B is left unconnected.

Meindert