Connections overview — Ray63 / Ray73
The following connections are available on the Ray63 and Ray73.
ConnectionsRay63Ray73

Primary station (8-pin) connection.
Grounding point — DO NOT USE!
Second station (12-pin) connection.
SeaTalk NG connection.
S0239 VHF antenna connection.
TNC GNSS (GPS) connection.
RCA Audio connection.
NMEA 0183.
Loud hailer connection (Ray73 only).
Black wire (negative) — connects to the power supply’s negative terminal.
Red wire (positive) — connects to the power supply’s positive terminal.