DIGIMINI EMEA/APAC/AUSTRALIA REPEATERS
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless
–
Coverage
Date: 11-Oct-15
www.cobham.com/wireless
Document number: 00030UMCD
Rev. 5.0
Page |
2-3
2.3 Repeater Pre-Installation Requirements
2.3.1 Safety Guidelines
Before installing the Repeater, review the following safety information:
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Follow all local safety regulations when installing the Repeater.
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Only qualified personnel are authorized to install and maintain the Repeater.
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Ground the Repeater with the grounding bolt located on the external lower side of the Repeater).
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Do not use the grounding bolt to connect external devices.
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Follow Electro-Static Discharge (ESD) precautions.
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Use low loss cables to connect the antennas to the Repeater.
2.3.2 Required BTS Information
Required BTS Information
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BTS channels
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BTS output power per channel
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BTS antenna gain
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BTS antenna height
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Distance from Repeater site to BTS
2.3.3 Criteria for Repeater Installation Location
The following criteria should be considered when selecting the Repeater installation site location:
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Application type
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General surroundings
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Available installation
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Install the Repeater in a shielded, ventilated, and easy-to-reach area.
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Verify that there is a minimum of a 50 cm (20”) radius of space around the Repeater, enabling
easy access to the repeater for maintenance and on-site inspection.
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Distance from antenna site - It is recommended that the installation location be as close as
possible to the antenna site in order to maintain the cable loss to a minimum.
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The Repeater is convection cooled so airflow and alternation should be possible.
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Follow Electro-Static Discharge (ESD) precautions.
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Install the Repeater close to the service area to monitor the output power.
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Use low loss cables to connect the antennas to the Repeater.
2.3.4 RF Cable Installation Guidelines
Required:
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For all coaxial connections to/from the Repeater - high performance, flexible, low loss 50Ω
coaxial communications cable.
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All cables shall be weather-resistant type
.
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Cable length - determined by the Repeater installation plan. When calculating the cable length,
take into account excess cable slack so as not to limit the insertion paths.
