Furuno SC-50 Operator's Manual page 71

Schematic diagrams
Data IN
J9
1
2
3
4
5
Load requirements
Isolation: Optocoupler
Input Impedance: 440 ohm
Max. voltage: ±15V
Data Out 1-6
J2
Output drive capability
Max : 10mA
20P8178
FL35
R13
220
FL36
20P8178
FL5
1
FL6
2
FL7
3
FL8
4
R108
1
U7
220
PC-40
3
CR1
1SS27
U1 max3043
11
10
13
14
APPENDIX
4
5
9
15
AP-3