Opto-coupler for NMEA signals

The Actisense OPTO-4 is a two-way NMEA 0183 / RS422 to RS232 interface cable that provides a secure method of connection between Olex and gps/ais/other devices. The optoisolator prevents unwanted and potentially harmful interference on the signal cable.

OPTO-4 WIRE COLOR PIN
Blue: RS232 PC ground
White: RS232 PC Tx
No isolation Shield
Red NMEA listener A/+
Black NMEA listener B/-