Furuno GP-320B - Manual (Page 10)

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2. WIRING
This unit outputs position and speed to external equipment. NavNet equipment, Multi
Display RD-30 and Echo Sounder LS-6100 can be connected directly. For connection to
other equipment, use a junction box (local supply) which has seven terminals.
The antenna cable is 10 meters long. If the distance between the antenna unit and the
display monitor is more than 10 meters, use the optional cable assy. (10 m). Up to four
extension cables can be connected serially.
Connecting to FURUNO NavNet equipment
Connect the antenna cable to the DATA1 port on NavNet equipment.
Total length: Max. 50 m
Cable assy. (option)
MJ-A7SPF/SRMD-100
10 m (max. 4)
Antenna Cable
10 m
DATA 1 port
NavNet
Waterproofing connectors
If you use the cable assy.(s), waterproof their connectors by wrapping them with vulcanizing
tape and then vinyl tape. Bind tape ends with suitable cable-ties.