User guide

45 Mbps Backhaul User Guide
Issue 3, December 2004 Page 17 of 113
4 Site Planning
4.1 Site Selection Criteria
The following are guidelines for selecting the installation location of the 45 Mbps Backhaul ODU and PIDU.
4.1.1 ODU Site Selection
When selecting a site for the ODU the following should be taken into consideration:
• That it is not possible for people to stand or walk inadvertently in front of the antenna.
• Height and location to achieve the best radio path
• Height in relation to other objects with regard to lightning strikes
• Protection from the weather
• Aesthetics and planning permission issues
• Distance from PIDU and connected equipment (Maximum cable run ODU to connected
equipment is 328 ft (100m))
• Distance from the PIDU to the ODU (Maximum cable run PIDU to ODU is 328 ft (100m))
4.1.2 PIDU Site Selection
When selecting a site for the PIDU the following should be taken into consideration:
• Availability of a mains electricity supply
• Accessibility for viewing status indicators and pressing reset switch (See section 1.3.2 “The
Power Indoor Unit (PIDU)” and section 7 “Fault Finding”
• Distance from ODU and connected equipment (Maximum cable run ODU to connected
equipment is 328 ft (100m))
• Distance from the ODU to the PIDU (Maximum cable run ODU to PIDU is 328 ft (100m))