Garmin GPSMAP 521s GPSMAP 521 Technical Reference - Page 6
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NMEA 2000 Fundamentals
NMEA 2000 Components
The main components of a NMEA 2000 network are T-connectors, terminators, backbone/drop cables, and a power cable. The following cables,
connectors, and terminators are sold by Garmin, and as of January 2009, they are NMEA 2000 approved. NMEA 2000-approved cables sold by
Garmin feature the NMEA 2000 logo on the tag with the part number.
T-connector
010-11078-00 (Garmin part number)
Power Cable
010-11079-00 (2 meters [6.5 feet]) (3 A fuse included)
Backbone/Drop Cable
305 millimeters (1 foot)
2 meters (6.5 feet)
6 meters (20 feet)
10 meters (33 feet) (backbone only)
30 meter spool (98.5 feet) (backbone only)
Specialty Cable/Connectors
Right-angle drop-cable, 2 meters (6.5 feet) (pictured)
Field-installable connector - Male* (not pictured)
Field-installable connector - Female* (not pictured)
NMEA 2000 network power switch (not pictured)
NMEA 2000 in-line lightning arrestor** (not pictured)
* The field-installable connectors are used to create custom-length drop cables and custom-length backbone extension cables. The field-installable connectors can be used to
shorten any Garmin NMEA 2000 drop/backbone cable.
** The gray in-line lightning arrestor is designed to help prevent damage due to nearby lightning strikes, but it is not able to protect against direct lightning strikes. Garmin is
not responsible for lightning-strike related damage.
Note: All male/female connections are interchangeable. Ensure that the T-connectors are used properly when constructing your NMEA 2000 network.
See
page
4.
2
Male Terminator
010-11080-00
Female Terminator
010-11081-00
010-11076-03
010-11076-00
010-11076-01
010-11076-02
010-11171-01
010-11089-00
010-11094-00
010-11095-00
K00-00368-00
010-11171-02
Technical Reference for Garmin NMEA 2000 Products
In-line Terminator
010-11096-00