Furuno FAR-3230S(-BB) Installation Manual page 58

2. WIRING
How to set input specification (J4 to J9)
For connectors J4 to J7, the connections are different depending on the input specifi-
cations as shown below. For connectors J8 and J9, the signal names corresponding
to the pins are shown.
Signal In/
Pin #
name Out
1 TD1-A Out
2 TD1-B Out
3 RD1-A In
4 RD1-B In
5 ISOGND -
1
6 RD1-H In
7 RD1-C In
*: Set the jumpers J20/J21 to Modbus.
Signal In/
Pin #
name Out
1 TD2-A Out
2 TD2-B Out
3 RD2-A In
4 RD2-B In
5 ISOGND2
6 RD2-H In
7 RD2-C In
*: Set the jumpers J20/J21 to Modbus.
2-30
Connector J4
Remarks
Serial CH1, output
IEC61162-1/2/modbus
Serial CH1, output
IEC61162-1/2/modbus
Serial CH1, input
IEC61162-2/modbus
Serial CH1, input
IEC61162-2/modbus
Isolation, GND (CH1)
Serial CH1, input
IEC61162-1
Serial CH1, input
IEC61162-1
Connector J5
Remarks
Serial CH2, output
IEC61162-1/2/modbus
Serial CH2, output
IEC61162-1/2/modbus
Serial CH2, input
IEC61162-2/modbus
Serial CH2, input
IEC61162-2/modbus
- Isolation, GND (CH2)
Serial CH2, input
IEC61162-1
Serial CH2, input
IEC61162-1
IEC61162-2 IEC61162-1
TTYCS(LA)-4 TTYCS(LA)-4
No connection No connection
No connection TTYCS(LA)-4
IEC61162-2 IEC61162-1
TTYCS(LA)-4 TTYCS(LA)-4
No connection No connection
No connection TTYCS(LA)-4
Modbus*
TTYCS(LA)-4
Modbus*
TTYCS(LA)-4