WNI Global Challenger L Series, Руководство пользователя и инструкция по установке

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Challenger L Series Digital Microwave User Manual
2-26 This manual is provided by WNI Global and its confidentiality is preserved. Without the pre-written consent from WNI Global,
anyone may not disclose, extract, cite or publish any part or all parts of this manual. Version No.: V2.0
passing signal. In short, the fact that you can see a location does not mean that you can establish
a quality radio link to that location. Consult factory for a link planner spreadsheet that calculates
the Fresnel ratio and helps determine link feasibility.
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Determine Challenger L ODU Mounting Requirements: Challenger L ODUs can be mounted
on an antenna mast, brick, masonry or wall. Refer to detailed installation sections specific for
each ODU and antenna type.
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Determine Challenger L IDU Installation Location: Challenger L IDUs can be installed tabletop
or cabinet, wall mount, or rack mount. The site must provide DC power. Refer to detailed
installation sections.
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Document Potential Sources of Colocation Interference: When Challenger L ODUs are
located on a roof or pole with other transmitters and receivers, an interference analysis may
be required to determine and resolve potential interference issues. The interference analysis
needs to be performed by an RF engineer. The specific information required for each
transmitter and receiver includes the following:
- Transmitting and/or receiving frequency
- Type of antenna
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Distance from Challenger L ODU (horizontal and vertical)
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Polarity (horizontal or vertical)
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Transmit power level
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Antenna direction
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Measure the Link Distance: The two ways to measure link distance are as follows:
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GPS: record the latitude and longitude for the near and far Challenger L ODU sites and
calculate the link distance. Record the mapping datum used by the GPS unit and ensure
the same mapping datum is used for all site evaluations in a given network.
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Range finder: measure the link distance (imperial or metric units may be used).
Once the link distance has been measured, verify that the link distance meets the availability
requirements of the link.
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Select the Grounding Location for both the Challenger L ODU and Challenger L IDU: The
Challenger L Digital Radio must be properly grounded in order to protect it and the structure it
is installed on from lightning damage. This requires
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Grounding all ODUs as specified by supplier
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Grounding all Challenger L IDU to the rack.
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Determine the Length of Interconnect Cable from ODU to Challenger L IDU: The primary
consideration for the outdoor interconnect cable from the ODU to IDU is the distance and
route between the ODU and IDU. This cable should not exceed 100 meter using Times