Junction Box - Furuno FM-8900S Installation Manual

2. CONNECTIONS
2.6

Junction Box

The junction box connects external equipment to the transceiver unit. The cable that
connects between the junction box and the transceiver unit is pre-connected to the
junction box. WAGO connectors connect the external equipment. A terminal opener is
provided inside the junction box to open terminals on the connectors. See the illustra-
tion below for how to use the opener. Terminal lugs are provided to connect the shield
of the TTYCSLA cables.
TB1
(REMOTE1)
Lug for connection
of shield of
TTYCSLA cables
TB2
(REMOTE 2)
2.6.1 How to prepare the cables of external equipment
The cables shown are JIS (Japan Industry Standard) cables. See the Appendix for the
equivalent cables.
Cable MPYC-4 (Alarm system)
TB5
(ANALOG WING(LEFT)/VDR)
(ALARM SYSTEM/
TB3
INS/AIS/PLOTTER)
(REMOTE3)
TB4
(REMOTE 4)
TB6
(ANALOG WING(RIGHT)/
GNSS)
5 - 6 L*
Attach to WAGO
connector.
L*=Depends on location of connector. See
illustration of junction box on page 9 for length.
TB7
100
mm
75
mm
TB8
(ALARM UNIT)
50 Armor
Sheath
20 30 20
Vinyl tape
10
How to open WAGO
connector
Terminal
opener
Push Push
Twist
Wire
Procedure
1. Twist core.
2. Insert terminal opener
and push.
3. Insert wire into hole. Be
careful not to pinch
sheath.
4. Release terminal opener.
5. Pull wire to confirm
it is correctly inserted.