Nmea 2000 Network - BRP Evinrude E-TEC G2 150 HP Installation & Predelivery Manual

Networks
Specifications

NMEA 2000 Network

Cable Requirements
NMEA 2000 specifies the following requirements:
NMEA 2000 Cable (Light/Micro Buss)
Maximum Current
Resistance - Power Wire(s)
Power Wire Size
Data Wire Size
NMEA 2000 specifies the following wire colors:
•
Power supply (+VDC): Red
•
Ground (–VDC): Black
•
Shield (Drain): Bare
•
Data HI (Signal): White
•
Data LOW (Signal): Blue
Grounding Requirements
Identify which battery supplies power to the net-
work. Connect all power supply batteries in paral-
lel. Ground the NMEA 2000 network directly to the
negative terminal of the PRIMARY or power sup-
ply battery.
See Battery Installation on p. 30.
Linear Architecture
Linear describes the NMEA 2000 network as con-
nected in a line. Assemble NMEA 2000 networks
Terminator
19 ft. (6 m) Max.
Refer to the current NMEA 2000 Network Guide.
20
using a "linear" architecture. Maintain the linear
architecture whenever a t-connector, buss cable,
or device is added.
4 AMPS
5.40 Ω per 100 M
22 AWG
24 AWG
NMEA 2000 Network Linear Architecture
Number of Devices
50 maximum.
Network Buss Length
328 ft. (100 m) maximum.
Device Cable Lengths
Individual device cable lengths: 19 ft. (6 m) maxi-
mum. Total device cable length: 256 ft. (78 m).
328 ft. (100 m) Max.
Device cables
Correct
Not Correct
Terminator
Buss cable
008634
008635