Digital Interface (IEC 61162-1 Edition 2)
Input sentences
GGA, GLL, RMA, ZDA, RMC
Schematic diagram
CIF / NMEA
RD-A
RD-B
Load requirements as listner
Isolation
Input impedance
Max. Voltage
Threshold
Appendix 3
05P0356
TB4
CIF
7
8
R80
9
470
10
R81
C80
C81
47
1000p 1000p
Optocoupler
480 ohms
± 15V
4 mA
J8
1
1
15
15
16
16
18
18
17
17
19
19
20
20
AP3-1
05P0355
J2
U27
R69
CR9
10
PC317A
1SS133