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舶用機器 Garmin GPSMAP 521s
GPSMAP 521のPDF テクニカル・リファレンスをオンラインで閲覧またはダウンロードできます。Garmin GPSMAP 521s
GPSMAP 521 42 ページ。 Flush mount template
Garmin GPSMAP 521s
GPSMAP 521 にも： 取付説明書 (12 ページ), リファレンス・マニュアル (2 ページ), 重要な安全情報 (48 ページ), 取扱説明書 (28 ページ), テンプレート (2 ページ)
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NMEA 2000 Fundamentals
Linear Backbone Construction
Use the NMEA 2000 T-connectors to construct your NMEA 2000 backbone, and extend the backbone with appropriate lengths of backbone
cable if necessary. Use one T-connector per device. Use the sides of the T-connector to construct the backbone of the NMEA 2000 network, and
use the top of the T-connector to attach a NMEA 2000 device. By using only the sides of the T-connectors to construct the backbone, you create
a linear construction to your NMEA 2000 network. T-connectors can be separated by backbone cables or connected directly together.
Although the male and female connectors on the T-connectors and backbone cables will fit on all sides of a T-connector, it is very important to
use the top of the T-connector only to attach NMEA 2000 devices, not to attach other T-connectors or backbone cables.
To NMEA 2000 devices
and power
Female
terminator
Male
Backbone extension cable
terminator
Correct Linear Backbone Construction
To NMEA 2000 devices
and power
T-connector
installed incorrectly
Male
terminator
Male
Backbone extension cable
(also installed
terminator
incorrectly)
Incorrect Linear Backbone Construction
Technical Reference for Garmin NMEA 2000 Products