21
Planning Installation
Preparing System Cables
Before installing the system cables, you need to take the following points into consideration.
1. All cables need to be well clamped and protected from physical damage and exposure to heat and humidity.
2. A cable with an acute bend should be avoided.
3. Wherever a cable passes through an exposed bulkhead or deck head, a watertight gland or swan neck
tube should be used.
For cables that run longer than Intellian's recommendations, please consult Intellian Technologies.
•
RF Cable (Customer Supplied)
Due to the signal losses across the length of the RF coax on L-Band, Intellian recommends the following 50
ohm coax cable types for standard system installations. For cables that run longer than 100 meters (except
LMR600 coaxial cable type), please consult Intellian Technologies.
* The maximum DC Resistance of RF Cable is 0.8 Ohm.
Coaxial Cable Type
Attenuation in dB/100M
(@ 2GHz)
Attenuation in dB/M
(@ 2GHz)
Recommended
Max. Cable Length
LMR400
19.6
0.196
80M
LMR600
12.8
0.128
120M
•
Gyrocompass Cable (Customer Furnished)
Due to the environment of various type of vessel, Intellian recommend the general cable types compatible with
the antenna.
NMEA 2000
NMEA 0183
Connector Type
Mini-C 5 pins connector
2 pins terminal block connector
Cable Type
5 wires within a single cable
2-wires constructed with one
enclosed shield cable
Heading Information
Supports PGN, 127250: Vessel
Heading
Supports xxHDT, baud rate 4800,
format 8N1 as standard. If there is
no xxHDT sentence, use xxHDM
sentence instead.
