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INSTALLATION
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3.2
Environmental Considerations
The Mars hardware platform supports Airlink base station radio software, BS5000, or Airlink
remote radio software, Cobalt. The compact enclosure is designed for indoor operation only. For
outdoor use, it must be installed in a ventilated NEMA 4/4X enclosure of adequate size and
airflow to ensure the ambient environment is within -40º C (40º F) - 70° C (158° F). Humidity
should not exceed 95% for more than 96 hours with the average humidity at 55%.
3.2.1 Equipment Ventilation
The cooling airflow from the fans is from the front of the radio to the back and the radio should
be mounted in an area that allows for adequate air flow. The radio should be mounted without
obstructions to the fans. For maximum cooling, the fans require a minimum 2" clearance.
3.3
Site Grounding
Motorola's R56 site preparation practices provide the best source for grounding and lightning
preparation and should be consulted before equipment installation. It should be referred to for
grounding and lightning
mitigation during this installation. Grounding and lightning protection are important during
equipment installation as grounding issues and damage to equipment from lightning can cause
significant issues if not done properly. Grounding and lightning protection can be divided into the
following categories:
●
Electrical Ground - Ground wires carrying current from equipment or circuitry at the site
ground. This includes AC or DC electrical power used to power equipment at the site,
backhaul connectivity, or alarm wiring.
●
Lightning Protection
communications. This includes radio equipment, backhaul, coaxial cables, networking
cables, AC/DC cabling, etc. This is not only for equipment that is directly onsite, but
equipment where there's an electrical path from elsewhere to the site.
●
Surge Protection
occur from the power supply or source.
3.4
Input Power Requirements
The Mars radio requires a 36 to 60 VDC power input. The DC source must be capable of
supplying 10 amps and should be on a dedicated circuit protected with a fuse or circuit breaker
rated at 10 amps. Ensure wire of appropriate size is used.
COM-00-21-05
Version No.: A
- Lightning protection and mitigation are crucial for safe and reliable
– It is critical to protect the equipment from electrical surges that can
3-2
OCTOBER 2021
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