Furuno FMD-3200 Installation Manual page 29

2.1.3 How to set jumper blocks on I/O Board
How to set the termination resistors
Use the jumper blocks JP1 and JP2 on the I/O Board (24P0124) to set the termination
resistor J3 and J4 on or off. The default setting is termination resistor: on.
• When setting the starting/ending terminal for the multipoint connection, or multipoint
is not connected (CH1 or CH2): termination resistor ON
• When not setting the starting/ending terminal for the multipoint connection (CH1 or
CH2): termination resistor OFF
J11
Jumper block J1
1-2
2-3
1-2
2-3
Jumper block J2
1-2
2-3
1-2
2-3
J3
JP1
JP2
Processor unit, I/O Board (24P0124)
SHORT Termination resistor: ON (default setting)
OPEN
OPEN Termination connector: OFF
SHORT
SHORT Termination resistor: ON (default setting)
OPEN
OPEN Termination connector: OFF
SHORT
J4
Not used.
Connector J3
Connector J4
2. WIRING
2-9