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2.5 Cable Extension Kit
The length of the cable between the hull unit and transceiver unit is 5 meters. If a longer
cable is required, use the cable extension kit, which consists of a junction box and a 5 or 15
meter cable.
Connect the transducer cable 10S2223 to the junction box, and connect the transceiver unit
to the junction box with the cable 10S2240 (5 or 10 m).
Replace the cable (10S2078, 8 m) connected between the hull unit and transceiver unit with
the cable 10S2144 (12.9 m) or 10S2145 (22.9 m). Those cables are supplied with the
extension cable kit.
2.5.1 Junction box
Connect the extension cable 10S2240 to JCTN1 and JCTN2 inside the junction box. Also,
connect the transducer cable 10S2223. Refer to interconnection diagram for wiring details.
1. Open the junction box cover.
2. Unfasten the cable clamps.
Cable clamp
10 9 8 7 6 5 4 3 2 1
10 9 8 7 6 5 4 3 2 1
Signal cables
(10S2223)
from hull unit
Junction box
Signal cables
(10S2240)
from transceiver unit
("JUNCTION BOX" display side)
JCTN1
Board
JCTN2
Board
CSK
clamp
Connect to
the J1 in
JCTN1 Board
J1
J1
P1
P2
P3
P4
P1
P2
J2
J1
J20J19
J2
J1
J20 J19
P3
P4
Connect to
the J2 in
JCTN1 Board
Connect to
the J1 in
JCTN2 Board
Connect to
the J2 in
JCTN2 Board
Connect to
the J19 in
JCTN1 Board
Connect to
the J20 in
JCTN1 Board
Connect to
the J19 in
JCTN2 Board
Connect to
the J20 in
JCTN2 Board
Cable from
transceiver unit
(10S2240)
Cable from
hull unit
(10S2223)
Cable from
transceiver unit
(10S2240)
Cable from
hull unit
(10S2223)
Junction box, cover removed