Furuno FAR-3320SW Installation Manual page 82

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.
Pin # Signal name
1 TD1-A
2 TD1-B
3 RD1-A
4 RD1-B
5 ISOGND1
6 RD1-H
7 RD1-C
*: Set the jumpers J20/J21 to Modbus.
Pin # Signal name
1 TD2-A
2 TD2-B
3 RD2-A
4 RD2-B
5 ISOGND2
6 RD2-H
7 RD2-C
*: Set the jumpers J20/J21 to Modbus.
2-46
Connector J4
In/Out Remarks
Out Serial CH1, out-
put IEC61162-1/
2/modbus
Out Serial CH1, out-
put IEC61162-1/
2/modbus
In Serial CH1, in-
put IEC61162-2/
modbus
In Serial CH1, in-
put IEC61162-2/
modbus
- Isolation, GND
(CH1)
In Serial CH1, in-
put IEC61162-1
In Serial CH1, in-
put IEC61162-1
Connector J5
In/Out Remarks
Out Serial CH2, out-
put IEC61162-1/
2/modbus
Out Serial CH2, out-
put IEC61162-1/
2/modbus
In Serial CH2, in-
put IEC61162-2/
modbus
In Serial CH2, in-
put IEC61162-2/
modbus
- Isolation, GND
(CH2)
In Serial CH2, in-
put IEC61162-1
In Serial CH2, in-
put 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