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2.2.3
Pre-amplifier unit wiring
For wiring in the pre-amplifier unit, refer to the instruction sheet provided at the back
of its front panel.
Pre-amplifier unit, front view
1. Plug in the 38P connector of the TX cable (19 pair cable).
2. Pass the transducer cable under the board.
Connect the transducer cables in the following order and bind the wires with cable
ties.
At this stage, do not connect the slip-on lugs to the cables on the right side (2, 6,
10, 11, 7 and 3).
Below is the order to connect cables:
(upper) 2 → 6 → 8 → 4 (mid) 10 → 11 → 9 → 12
(lower) 7 → 3 → 5 → 1
10P5610
P3
P3
P3
10P5610
P3
P3
P3
Connector for TX cable
Wiring of pre-amplifier unit
C
D
Connector for
1
P2
P2
transducer cable
(P1 - P3 x 12)
P3
P1
P1
7
A
B
P2
P2
Cable No. of
P3
P1
P1
transducer cable
6
A
B
P2
P2
P3
P1
P1
5
A
B
P2
P2
P3
P1
P1
4
A
B
RX cable number
P2
P2
P3
P1
P1
3
A
B
P2
P2
P3
P1
P1
2
A
B
Connector for
hull cable
1 - 12 : TD Cable
1 - 7 : RX Cable
2. WIRING
2-5
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