Furuno DS-80 Operator's Manual page 26

Schematic diagrams
IEC61162 RX port
DS-801
.
TB3
.
F2047A-20P-B
.
.
IEC61162_RX_A
11
IEC61162_RX_B
12
.
.
Load requirements as listener
Isolation: Optocoupler
Input Impedance: 44 ohms
Max. Voltage: ±2.6V
Threshold: 4 mA
IEC61162 TX1 port
Output drive capability
Max. 20 mA
65P6010
JP6
ERJ_6GEY0R00V
<11<
<12<
JP7
ERJ_6GEY0R00V
R121 22
R122 120
R123 120
R124 22 CR17 1SS181
18
PC400
6
U42
1 2
1
3
5
4