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Redwood City Police <br /> Department System Performance <br /> \ impact on system coverage. The areas marked by a percentage <br /> ' covetage reliability may contain locations where radio coverage <br /> always occurs, as well as some in which radio coverage is never <br /> experienced. Shielding may occur in tunnels, under bridges and `_ <br /> inside parking structures. These areas are not specifically <br /> identified in the coverage predictions presented. Users <br /> encountering such areas should be advised to drive their vehicle a <br /> short distance to reposition the radio antenna away from obstacles <br /> for clear communications. <br /> RELIABILITY - - <br /> ;,-:;�p; Like alI Motorola products,mobile data systems and products are <br /> � �` '�� designed and built to meet the highest quality standards. This <br /> system for the City of Hillsborough Police Department is designed <br /> with multiple layers of reliability including system alarms, <br /> component diagnostics, Fieid Replacement Units (FRLn and the <br /> capability for RNC redundancy. <br /> The RNC and Data Base Station work together to provide a <br /> network of distributed alarm monitoring and centralized alarm <br /> display. The RNC to radio infrastructure site links as well as <br /> components of the DBS and RNC themselves.aze continuously <br /> ` monitored and tested. The results of these procedures, as well as <br /> any system alazms, are available at a local or remote RNC console. <br /> Additionally, each component in this system, including Mobile <br /> Data Terminals,initiate a self-diagnostic sequence upon power-up. <br /> The modular design of Motorola's Mobile Data System <br /> components allows any product repairs to be conducted quickly <br /> _ ..,_ and easily. Field Replacement Units (FRUs) allow a qualified .. <br /> �� technician to remove an entire fimctional moduie from a unit and " <br /> exchange it with a tested and operating replacement T'his allows a <br /> disabled module to be repaired at an appropriately equipped shop <br /> or location and not on a mountain top site. This approach is <br /> extended to Mobile Data Terminals so that in a total of <br /> approximately 15 minutes, an officer can azrive at an equipped <br /> service location with a malfunctioned Mobile Data Terminal and <br /> leave with an operationally equivalent,fullY functional substitute. <br /> As mentioned in the Functional System Description section of this <br /> proposal,the RNC, although currently confiSv�'ed for stand-alone <br /> use in this system, is designed with the caPability to accommodate <br /> full stand-by redundancy operation. This configuration may be <br /> incorporated at system implementation, following negotiation, or it <br /> �MOTOROL�4 3 - i s <br /> _ . _ _ _ __ _._ __ _ <br />