Digital Interface (IEC 61162-1 Edition 2)
Input sentences
GGA, GLL, RMA, RMC, ZDA
Schematic diagram
NMEA
05P0620
J6
1
2
RD-A
3
RD-B
4
F.GND
5
Load requirements as listner
Isolation
Input impedance
Max. Voltage
Threshold
J11
C35
C36
1000p 1000p
Optocoupler
560 ohms
15V
4 mA
05P0616
J5
1
1
21
21
22
22
R103
23
23
24
24
560
25
25
30
30
APPENDIX 3
U21
6
1
CR1
TLP121-GB
3
4
1SS190
AP-3