Furuno FAR 3220, Installation Manual

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2. WIRING
2-38
6. For the drain wire of the TTYCSLA se-
ries cable, attach shrink tubing (local
supply) to drain wire, fasten a crimp-on
lug (pre-attached at location shown in
the figure to the right.) to drain wire then
fasten the wire with a screw.
2.6.3 How to select the serial input/output format
How to set the termination resistors
Use the jumper blocks JP1 to JP4 on the I/O Board (24P0124) to set the termination
resistors for J3 to J6 ON or OFF. The default setting is ON.
• When setting the starting/ending terminal for the multipoint connection, or multipoint
is not connected (CH1 to CH4): termination resistor ON
• When not setting the starting/ending terminal for the multipoint connection (CH1 to
CH4): termination resistor OFF
Processor unit, I/O Board (24P0124)
Jumper block JP1 Connector J3
1-2 SHORT Termination resistor: ON (default setting)
2-3 OPEN
1-2 OPEN Termination connector: OFF
2-3 SHORT
Jumper block JP2 Connector J4
1-2 SHORT Termination resistor: ON (default setting)
2-3 OPEN
1-2 OPEN Termination connector: OFF
2-3 SHORT
J11 J11
J6 J6 J4 J4
J5 J5 J3 J3
JP1 JP1
JP2 JP2
JP3 JP3
JP4 JP4
J15 (to LAN3 port on EC-3000)
J16 (to LAN port on PSU)