Furuno md-550 Instruction De Maintenance
3
Setting
Factory jumper settings are for current loop
and “1 in 4 out”.
and “1 in 4 out”.
IN1 (OUT1-4)
IN2 (OUT5-8)
Current loop
JP1 (#1-#2),
JP2 (#1-#2),
JP3 (#1-#2)
JP2 (#1-#2),
JP3 (#1-#2)
JP4 (#1-#2),
JP5 (#1-#2),
JP6 (#1-#2)
JP5 (#1-#2),
JP6 (#1-#2)
RS-422
JP1 (#2-#3),
JP2 (#2-#3),
JP3 (#2-#3)
JP2 (#2-#3),
JP3 (#2-#3)
JP4 (#2-#3),
JP5 (#2-#3),
JP6 (#2-#3)
JP5 (#2-#3),
JP6 (#2-#3)
JP7
1 in 4 out
#1-#2
1 in 8 out
#2-#3
Note1: Put short jumper into connector in
same direction as before.
Note2: Do not short jumpers JP13 & JP14. They
should be “open.”
Fabrication of signal cable
DPYC-1.5
77
3
6
Armor
Cut the sheath.
Vinyl tape
Sheath
15 10
1
Crimp-on lug
TTYCS-1
77
3
8
55
5
6
6
6
Armor
Earth wire fabrication
Earth wire
twist and cut
Vinyl tape
Shield
Solder
15 10
Crimp-on lug
1
TTYCS-1Q
77
3
8
55
5
6
6
Armor
Earth wire fabrication
Earth wire
twist and cut
Vinyl tape
Shield
Solder
Crimp-on lug
1
10
15