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2.1.2 Network Connection
Drop cable connection
A drop cable is connected to a backbone cable with T-type connectors*. The back-
bone cable is of the “light” type. Attach a terminator at the ends of the backbone
cable. Only two termination resistors are required on an NMEA 2000
®
network.
More than two will degrade performance.
* Recommended type: LTWSS-050505-FMF-TS001 (LTW Technology, Inc.), or
equivalent
Backbone cable connection
Use this connection method to connect the GP330B at the final node in the back-
bone cable. Use T-type connectors to connect equipment to the backbone cable.
Backbone cable
Terminator 1
Terminator 2
T-connector
T-connector
- NavNet 3D Series
- FI-50 Instrument
Cable Assembly
22-1025-02 (6 m)
Power
(12 VDC)
T-connector
Power
(12 V)
GP-330B
Termination
Resistor: OFF
GP-330B
Termination
Resistor: ON
Backbone cable (max. 25 m)
T-connector
T-connector
Cable Assembly
22-1025-02 (6 m)
22-1025-06 (10 m, option)
- NavNet 3D Series
- FI-50 Instrument
Power
(12 VDC)
Power
(12 V)
T-connector