Em-Trak A200 - Data Interface

Technical specification
Page 94
8.12 Data interface
Sensor data input ports
Number of ports 3
Standard IEC61162-1 / -2
Baud rate 4800 baud or 38400 baud
Port impedance 54K Ohms
Bi-directional data ports (including pilot port)
Number of ports 3
Standard IEC61162-1 / -2
Baud rate 4800 or 38400 baud
Port impedance 54K Ohms
Differential correction port
Standard ITU 823-2 / RTCM SC-104
Baud rate 4800 baud or 38400 baud
Port impedance 54K Ohms
Blue Sign port
Port impedance 10K Ohms