2. WIRING
2-5
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.
Connector for transducer cable
(P1 - P3 x 12)
Cable No. of transducer cable
RX cable number
Connector for hull cable
Connector for TX cable
Pre-amplifier unit, front view
Wiring of pre-amplifier unit
1. Plug in the 38P connector of the TX cable (19 pair cable).
2. Connect the transducer cables in the following order and bind the wires with cable ties.
Do not connect the slip-on lugs of cables 2 to 3 at this stage.
Pass the transducer cable under the board.
Cable connection order:
(upper)
!
2
→
!
6
→
!
8
→
!
4 (mid)
!
10
→
!
11
→
!
9
→
!
12 (lower)
!
7
→
!
3
→
!
5
→
!
1
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