Digital Interface (Iec 61162-1 Edition 2 - Furuno FM-8800D Operator's Manual

APPENDIX

Digital Interface (IEC 61162-1 Edition 2)

Input sentences
GGA, GLL, RMC, ZDA, GNS
Schematic diagram
TXD-H
TXD-C
RXD-H
RXD-C
Load requirements as listner
Isolation
Input impedance
Max. Voltage
Threshold
Output sentence
TLL
AP-14
R70
05P0773
J2
C65
R65
100P
C64
7
100P
8
220
9
R74
10
C70
C69
1000p
1000p
Optocoupler
560 ohms
±15V
4 mA
R69
10 6
120
10 7
JP1
1
2
220
R73 CR3
1SS355
U15
PC400
U13 LTC1480
4
3
1
4