Pin connector as seen from back
of unit
| Pin | Name | Description |
|---|---|---|
| 1 | VCC | Power |
| 2 | RX | RS-232 (receive serial) |
| 3 | GND | Ground |
| 4 | TX | NMEA/Pseudo RS-232 (transmit serial) |
| 5 | - | DO NOT USE (recharging purposes) |
| 6 | - | DO NOT USE (recharging purposes) |
Lowrance AirMap 100, GlobalMap 100, GlobalNav 12, GlobalNav 200, GlobalNav 212
