Exalt EX-11s, Installation And Management Manual

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Exalt Installation and Management Guide
s-Series Digital Microwave Radios
8 201511
2008-02-27
Pre-installation Tasks
This section describes the steps necessary to prepare a site for the installation of the Exalt Digital
Microwave Radio.
Link Engineering and Site Planning
Design all terrestrial wireless links prior to purchase and installation. Generally, professional wireless
engineering personnel are engaged to determine the viability and requirements for a well-engineered
link to meet the users‘ needs for performance and reliability.
The reader is referred to the Exalt document, Guidance for Engineering and Site Planning of
Terrestrial Wireless Links and the ExaltCalc path calculator. This document and calculator aid in the
pre-planning and engineering required to determine following attributes:

Antenna type/gain at each end of the link

Antenna mounting height/location for proper path clearance

Antenna polarization orientation

Waveguide and Remote ODU mounting, if any

IDU/ODU cabling type, length, connectors, route, and mounting

Antenna system grounding

IDU/ODU Cable lightning arrestor type(s), location(s), and grounding

Radio mounting location and mechanisms

Radio grounding

Radio transmitter output power setting

Anticipated received signal level (RSL) at each end

Anticipated fade margin and availability performance at each end

Anticipated throughput performance (TDM circuit support and Ethernet)
With respect to radio path and site planning, these radios are generally identical to other microwave
terrestrial wireless systems. Engineering of these systems requires specific knowledge about the
radios, including:

RF specifications (transmitter output power, receiver threshold, occupied channel bandwidth, and
carrier-to-interference tolerance)

Regulatory limitations on transmitter output power setting and antenna type/gain/polarization