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Planning Installation
4.3 System Cables (Customer Supplied)
4.3.1 Antenna RF Cable (Customer Supplied)
Due to the signal loss across the length of RF coaxial cable on L-Band, Intellian recommends to build RF
cables using the following 50 coaxial cable types for standard system installation. If you need RF cables
that run longer than the maximum cable length recommended, contact Intellian Technical Support for
assistance.
• Cable Requirements
Coaxial Cable Type Connector Max. DC Resistance Attenuation @ 2 GHz
Max. Cable Length
(≤ 16 dB loss @ 2 GHz)
LMR400
N (M) to N (M) 0.8
0.196 dB/m 60 m
LMR600
0.128 dB/m 100 m
Note:
- Optimal tightening torque for N type RF connector: 1.5 N-m
- Maximum RF loss at 2 GHz: 16 dB including connectors
4.3.2 Gyrocompass Cable (Customer Furnished)
General types of gyrocompass cables are recommended for the compatible connection to Intellian antennas
which are used in various environments of vessels.
Standard NMEA 0183
Connector Type 2 pin terminal block connector
Cable Type 2-wire cable with one enclosed shield cable
Heading Information Supports $HEHDT, baud rate 4800, format 8N1 as standard
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