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NSCC Executive Summary CBG Communications, Inc. <br />Switched Digital Video (SDV). The NSCC should, in a renewed Franchise with <br />Comcast, require a mid -term review of the system to determine if it is still capable of <br />meeting the community's cable - related needs and interests, and providing the needed <br />bandwidth for new services that become available in the future. <br />• System Facilities <br />Comcast serves the NSCC area from its headend located on Fairview Avenue in <br />Roseville, MN, and its hub located at 4640 Churchill Street in Shoreview, MN. Comcast <br />personnel gave us a tour of these headend and hub facilities. The overall condition of <br />these facilities was clean, well kept and with sufficient space for future expansion without <br />having to compromise spacing needs for cooling and maintenance functions. The <br />headend is among the better designed and maintained headends we have toured. <br />Grounding of equipment in various locations throughout the headend and hub is more <br />than adequate for protection of the equipment and personnel having to perform <br />maintenance. Fire suppression systems are professionally installed throughout the two <br />facilities and appeared to be sufficient to protect the building and its contents from fire. <br />Both facilities have backup power provided by large permanent generators, <br />Uninterruptible Power Supplies (UPS) and battery banks. This combination of backup <br />power should allow for seamless transfer between commercial power and backup or <br />standby power in the event of a power failure at the headend or hub. The generators are <br />capable of operating for days or weeks in the event of a lengthy commercial power <br />outage. <br />• System Performance <br />CBG began its analysis of Comcast's system performance by reviewing the most recent <br />Federal Communication Commission (FCC) Proof -of- Performance (POP) test documents <br />(Summer 2010 and Winter 2011). These documents are required to be stored in <br />Comcast's Public File and are available for anyone to review. This documentation is <br />only required to show testing of analog channels on the system. CBG determined that the <br />results for all test locations within the NSCC service area, as documented in Comcast's <br />Public File, are within FCC specifications. When a system is operating at or above the <br />iv <br />17 <br />