v240M – Marine Satellite Communication System
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v240M – Marine Satellite Communication System
Cables
Four types of cables used for standard installation are introduced in the subsections
below. For cables that run longer than Intellian’s recommendations, please consult
Intellian Technologies.
• 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. Cable with an acute bend are not allowed.
3. Where a cable passes through an exposed bulkhead or deck head, a
watertight gland or swan neck tube should be used.
• Power Cables
The cable sizes recommended in the following table are the input power cable size
for standard system installation.
Cable Length Cable Cross Sectional Area AWG (American Wire Gauge) Size
Up to 100m 2.62 mm
2
13
Up to 200m 4.17 mm
2
11
Note : The power cable in the package is 10 meter in length.
• RF Cables (Customer Furnished)
Due to the voltage 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 200 meters, please consult Intellian
Technologies.
Coaxial Cable Type
Attenuation in
dB/100M
Attenuation in
dB/M
Recommended
Cable Length
LMR300 30.3 0.303 35M
LMR400 19.6 0.196 60M
LMR500 15.9 0.159 80M
LMR600 12.8 0.128 100M
LMR900 8.6 0.086 150M
LMR1200 6.5 0.065 200M
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