Connection Considerations
Connectors and port locations vary by model.
Item Description
Notes
Ground connection
You can connect the device to water ground, if needed (
).
Red power wire with
fuse
You must connect the device to a 12 Vdc power source (
).
Black power ground
wire
GPS cable with BNC
connector
You can connect this device to an external GPS antenna (optional) (
to a Remote GPS Antenna, page 8
).
Data wiring harness
1
You can connect this device to a NMEA 0183 device to share information
(optional) (
NMEA 0183 Device Connections, page 9
).
You can connect this device to a hailer horn (optional for VHF 215/VHF 215 AIS
models) (
Connecting to a Hailer Horn or PA Speaker, page 10
).
You can connect this device to an external speaker (optional) (
).
VHF antenna port
You must connect the device to a VHF antenna (sold separately) (
).
Additional microphone
port
You can add an additional microphone (sold separately) or relocate the existing
microphone on a VHF 215/VHF 215 AIS radio (microphone relocation kit sold
separately).
Not available on VHF 115 radio models.
NMEA 2000
®
port
You can connect this device to a NMEA 2000 network to share information
(optional) (
).
Connecting to Power
1 Route the power wiring cable to the power source and to the device.
2 Connect the red wire to the positive (+) battery terminal, and connect the black wire to the negative (-)
battery terminal.
Additional Grounding Considerations
This device should not need any additional chassis grounding in most installation situations. If interference is
experienced, the grounding screw on the housing can be used to connect the device to the water ground of the
boat to help avoid the interference.
1
Includes NMEA
®
0183 wires (purple, gray, blue, and brown) and speaker wires (red and black). VHF 215/VHF 215 AIS models also include white and green
hailer wires.
5
