B G Nemesis Hub Combine Two OR More Nemesis 9 Or 12 Sailing Displays Installation Guide

B G Nemesis Hub Combine Two OR More Nemesis 9 Or 12 Sailing Displays

Dimensional drawing

Technical specification

Environmental

Storage temperature| -15°C to +55°C (5°F to 131°F)
Operating temperature| -20°C to +60°C (4°F to 140°F)
Waterproof rating| IPX 6 and 7
Electrical
Power supply| 12/24 V DC
Operating voltage| 12/24 V DC (10 – 31.2 V DC

min – max)

Power consumption – Max| 2 W + power distributed to connected displays.
Fuse rating| 6 A
Physical
Weight (box only)| 240g (0.44 lbs)
Interface/Connectivity
Ethernet/Power| 1x 8-pin connector
Display| 3x 8-pin Ethernet connectors
Ground| 1x M4 Grounding

Mounting

Parts included

A. Ethernet switch
B. Fastening set
C. Display connection cable
D. Blanking caps (not shown in the illustration)

Accessories (sold separately)

A. Power and Ethernet cable
B. Display connector cable

Compliance Statement

Declarations
The relevant Declaration of Conformity is available on the following websites:

• www.bandg.com

Europe
Navico declares under our sole responsibility that the product conforms with the requirements of:

• CE under EMC Directive 2014/30/EU

United States of America

Note: The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Australia and New Zealand
Navico declares under our sole responsibility that the product conforms with the requirements of:

• level 2 devices of the Radiocommunications (Electromagnetic Compatibility) Standard 2017

Trademarks
®Reg. U.S. Pat. & Tm. Off, and ™ common law marks. Visit www.navico.com/intellectual-property to review the global trademark rights and accreditations for Navico Holding AS and other entities.

Ethernet and power wiring

A. Shield
B. Ethernet connector (RJ45)
C. Not used, yellow
D. + 12/24 V DC, red
E. DC negative, black

Power
The unit is designed to be powered by a 12 or 24 V DC system. It is protected against reverse polarity, under voltage, and over-voltage (for a limited duration). A fuse or circuit breaker should be fitted to the positive supply. For recommended fuse rating refer to the technical specifications. The shield (A) can in most cases be insulated from all other wires. If interference is encountered from other onboard electronics, the shield can be connected to a vessel hull ground to help reduce any interference, but it is not generally required. The yellow wire (B) in the power cable is not to be used and should be insulated from all other wires.

A. Shield
B. Not used, yellow
C. +12/24 V DC, red
D. DC negative, black
E. Switch
F. Fuse

The unit will turn on when power is applied.
Ethernet
Connect the Ethernet connector to your vessel’s B&G CPU Ethernet network for the transfer of data to the displays. No special setup is required for establishing an Ethernet network.

A. Ethernet switch with a 5-pin Ethernet socket
B. B&G CPU or Ethernet switch with an RJ45 Ethernet socket
C. Ethernet cable plug (RJ45)
D. Ethernet adapter cable (RJ45 to 5-pin), optional

Connectors overview

Bottom connectors

Top connectors

A. Ethernet – Power and Ethernet connection
B. Display connector 1
C. Display connector 2
D. Display connector 3
E. Ground, M4

Grounding

It is recommended to ground the unit. 1.5 mm2 (16 AWG) wire.

Display wiring

A. Ethernet switch, display port 1-3
B. Display power and Ethernet cable
C. Display

LED indicators

A. Power (PWR) The power indicator is lit when the unit is powered.
B. Ethernet (ETH) The Ethernet indicator blinks while data is transferred between the hub and the vessel’s Ethernet network.
C. Display 1-3 The display indicators blink while data is transferred between the hub and the connected display.

References

• B&G Sailing Electronics | USA

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