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Chapter 3
Site Preparation
Before performing the MTS installation tasks, various considerations such as site planning or
environmental requirements need to be taken into account.
3.1
Site Planning
Proper planning helps to prevent potential on-site and off-site interference from other RF systems, and
helps maximize system performance. To minimize the cabling lengths between RF equipment, plan
site layouts.
For full instructions and guidelines, see the Motorola Standards and Guidelines for Communications
Sites, R56 manual.
3.1.1
Site Survey
To place an order for the equipment, inspect or survey the site carefully using appropriate site survey
forms before orders are placed for the equipment.
Plan for a participation of a technical representative from both the customer and the site owner in the
survey.
To minimize any misunderstanding that may arise in the future, ensure that:
•
all the attendees at the site survey approve the survey report
•
you address all relevant issues for the MTS site installation
•
all involved parties agree to all issues before any work starts.
The site survey issues typically include the following items:
•
Potential MTS cabinet location, the equipment room size, and the doorway or access into it
(including clearance for front door opening).
•
Suitability of the existing heating-ventilation-air conditioning (HVAC) and other environmental
criteria in relation to the MTS equipment (see
Values – Expansion Cabinet 400 MHz BR-Arch-1 Configuration on page
•
Power requirements
•
Check of the history of local voltage and frequency variations together with the possibility of supply
interruptions to the site
•
Stand-by power requirements for the site.
•
Mains power distribution location
•
Network terminating unit (NTU) for the Ethernet, X.21, or E1 leased line location
•
Telephone connections location.
•
Building earth and tower earth locations
•
Building and tower earth inspection
•
Cable entry point into the equipment room suitability, space availability, and location
•
Existing lightning arrestors suitability and location
Table 13: Typical Power Loads and Heat Dissipation
6802800U74-AN
Chapter 3: Site Preparation
78).
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