Connections overview — Ray53
The following connections are available on the Ray53.
ConnectionsRay53

Grounding point — DO NOT USE!
SO239 VHF antenna connection.
SeaTalk NG connection.
TNC external GNSS (GPS) antenna connection.
RCA Audio connection.
NMEA 0183 connection.
Red wire (positive) — connects to the power supply’s positive terminal.
Black wire (negative) — connects to the power supply’s negative terminal.