Furuno FSS-3BB Installation Manual page 27

Grounding
This unit must be grounded to prevent mutual interference. Connect a copper strap
(local supply) between the transceiver unit and the ship's ground. The length of the
copper strap should be as short as possible.
External equipment connection
Note: Fabricate the cables referring to section 2.2.2.
The LAN cable, external KP cable and transducer cable should be passed through the
wiring clamp and secured with the cable securing plate. For the transducer cable, the
shield must be clamped with the plate.
Lay the transducer cable well away from other cables to prevent interference. If the
transducer cable is laid along with a equipment or cable that emits high-frequency
noise, the transducer cable may interfered and the fish finder cannot display echoes
correctly.
2.2.2 Cable fabrication
LAN cable
Fabricate the cable referring to section 2.1.3.
MPYCSLA-4 cable (external KP connection)
Armor
Clamp this part with the cable securing plate.
How to connect wires to a terminal block connector
Twist
200 mm 200 mm
Inner sheath
Pass the heat shrinkable tube (local
supply) onto the drain wire.
Vinyl tape Vinyl tape
Press downward.
Terminal
opener
Terminal block
connector
150 mm 150 mm
6 mm
6 mm
Procedure
1. Twist the cores.
2. Press the terminal opener
downward.
3. Insert the wire in the hole.
4. Remove the terminal
opener.
5. Pull the wire to confirm
that it is secure.
2. WIRING
2-7