Garmin GPSMAP 1222 TOUCH Manual de instruções de instalação - Página 3

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Garmin GPSMAP 1222 TOUCH Manual de instruções de instalação

Cable and Connection Considerations

• The cables may have been packaged without the locking

rings installed. If so, you should route the cables before you

install the locking rings.

• After connecting a locking ring to a cable, make sure the ring

is securely connected and the O-ring is in place so the

connection remains secure.

Power/NMEA

0183 Cable

• The wiring harness connects the device to power, NMEA

0183 devices, and a lamp or a horn for visible or audible

alerts.

• If it is necessary to extend the NMEA 0183 or alarm wires,

you must use 22 AWG (.33 mm²) wire.

• This cable provides one differential NMEA 0183 input and

output port.

Item

Wire Color

Wire Function

Red

Power

Black

Ground (power and NMEA 0183)

Blue

NMEA 0183 TxA (Out +)

Gray

NMEA 0183 TxB (Out -)

Brown

NMEA 0183 RxA (In +)

Violet

NMEA 0183 RxB (In -)

Orange

Accessory on

Yellow

Alarm low

Connecting the Wiring Harness to Power

When connecting the power cable, do not remove the in-line

fuse holder. To prevent the possibility of injury or product

damage caused by fire or overheating, the appropriate fuse

must be in place as indicated in the product specifications. In

addition, connecting the power cable without the appropriate

fuse in place voids the product warranty.

Route the wiring harness to the power source and to the

device.

Connect the red wire to the positive (+) battery terminal, and

connect the black wire to the negative (-) battery terminal.

If necessary, install the locking ring and O-ring on the end of

the wiring harness.

Insert the cable into the POWER connector on the back of

the device, pushing firmly.

Turn the locking ring clockwise to attach the cable to the

device.

Additional Grounding Consideration

This consideration is applicable only to devices that have a

grounding screw. Not all models have a grounding screw.

This device should not need additional chassis grounding in

most installation situations. If you experience interference, 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.

WARNING

Garmin Marine Network Considerations

A Garmin Marine Network PoE Isolation Coupler

(010-10580-10) must be used when connecting any third-party

device, such as a FLIR

camera, to a Garmin Marine Network.

Connecting a Power over Ethernet (PoE) device directly to a

Garmin Marine Network chartplotter damages the Garmin

chartplotter and may damage the PoE device. Connecting any

third-party device directly to a Garmin Marine Network

chartplotter will cause abnormal behavior on the Garmin

devices, including the devices not properly turning off or the

software becoming inoperable.

This device can connect to additional Garmin Marine Network

devices to share data such as radar, sonar, and detailed

mapping. When connecting Garmin Marine Network devices to

this device, observe these considerations.

• All devices connected to the Garmin Marine Network must be

connected to the same ground. If multiple power sources are

used for Garmin Marine Network devices, you must tie all

ground connections from all power supplies together using a

low resistance connection or tie them to a common ground

bus bar, if available.

• A Garmin Marine Network cable must be used for all Garmin

Marine Network connections.

◦ Third-party CAT5 cable and RJ45 connectors must not be

used for Garmin Marine Network connections.

◦ Additional Garmin Marine Network cables and connectors

are available from your Garmin dealer.

• The NETWORK ports on the device each act as a network

switch. Any compatible device can be connected to any

NETWORK port to share data with all devices on the boat

connected by a Garmin Marine Network cable.

NMEA 2000

Considerations

If you are connecting to an existing NMEA 2000 network,

identify the NMEA 2000 power cable. Only one NMEA 2000

power cable is required for the NMEA 2000 network to operate

properly.

A NMEA 2000 Power Isolator (010-11580-00) should be used in

installations where the existing NMEA 2000 network

manufacturer is unknown.

If you are installing a NMEA 2000 power cable, you must

connect it to the boat ignition switch or through another in-line

switch. NMEA 2000 devices will drain your battery if the NMEA

2000 power cable is connected to the battery directly.

This device can connect to a NMEA 2000 network on your boat

to share data from NMEA 2000 compatible devices such as a

GPS antenna or a VHF radio. The included NMEA 2000 cables

and connectors allow you to connect the device to your existing

NMEA 2000 network. If you do not have an existing NMEA 2000

network you can create a basic one using cables from Garmin.

If you are unfamiliar with NMEA 2000, you should read the

"NMEA 2000 Network Fundamentals" chapter of the Technical

Reference for NMEA 2000 Products. You can find this document

using the "Manuals" link on the product page for your device at

www.garmin.com.

NOTICE