Item Name
Description
À
GMM
The GMM is touch-screen monitor that connects to the GPSMAP 8500 to act as a display and interface, or as display
without interface capabilities. You can connect two GMM devices to one GPSMAP 8500, although only one will allow
touchscreen control of the GPSMAP 8500.
Á
GARMIN
PROCESSOR BOX
port
This Garmin
®
Marine Network port allows the touchscreen features of a GMM to be used by the GPSMAP 8500. To
function correctly, the GMM that connects to this port must also connect to the MAIN DVI VIDEO IN port with a DVI-D
cable.
Â
MAIN DVI VIDEO IN
port
This DVI video port is used only for connecting the GMM that controls the functions of the GPSMAP 8500. To
function correctly, the GMM that connects to this port must also connect to the GPSMAP 8500 through the GARMIN
PROCESSOR BOX port with a Garmin Marine Network cable. A third-party monitor can be connected to this port, but
touchscreen input will not be supported.
Ã
GRID
The GRID is a remote input device that controls the functions of the GPSMAP 8500. The GRID connects to the
GPSMAP 8500 with a standard Garmin Marine Network cable. If more than one system is present on the boat, the
GRID is assigned to a specific GPSMAP 8500 in the software configuration.
Ä
Power cable
It is recommended that you connect all of the GPSMAP 8500 system components to the same 10–35 Vdc power
source.
Å
GARMIN MONITOR
port
This Garmin Marine Network port allows a GMM to control the functions of the GPSMAP 8500. To function correctly,
the GMM connected to this port must also connect to the MAIN DVI-I VIDEO OUT port with a DVI-D cable.
Æ
MAIN DVI-I VIDEO
OUT port
This DVI video port connects to the GMM that controls the functions of the GPSMAP 8500. To function correctly, the
GMM connected to this port must also connect to the GARMIN MONITOR port with a Garmin Marine Network cable.
Ç
Card Reader
The card reader allows you to use memory-card features across all devices on the Garmin Marine Network. You can
use premium maps, update device software, and transfer data.
È
NMEA 2000
®
port
The GPSMAP 8500 connects to a standard NMEA 2000 network to communicate with NMEA 2000 devices such as a
GPS antenna or a VHF radio. The ports labeled ENGINE and HOUSE are reserved for future use and should not be
connected to a standard NMEA 2000 network.
É
NETWORK port (×4)
The Garmin Marine Network connects the GPSMAP 8500 to other Garmin devices, such as a radar or a sounder,
and to other GPSMAP devices, if more than one GPSMAP device is present on the boat.
2
