HE 422i/o Optocoupler
Input:
In+ = RX+ or A terminal
In – = RX- or B terminal
Input can also be RS232 or TTL levels
The voltage into the optocoupler is limited to NMEA restrictions
Output:
Out+ = TX+ or A terminal
Out- = TX- or B terminal
Max voltage on output is 1 listener (1 load)
Max speed 115K baud
Level of 9 pin connector is standard RS232 levels
