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Redwood City Police <br /> Department System Description <br /> ��' SYSTEM DESIGN SUMMARl' . <br /> Motorola is proposing a Mobile Data System utilizing a dedicated <br /> data oniy infrastructure on one 806 MHz channel. Operating at <br /> 19,200 bits per second (bps),the system includes a network <br /> controller,two RF infrastructure sites, and a mix of mobile data <br /> terminals for the three cities involved in this system. This system <br /> combines access to the centralized applications of Computer Aided <br /> Dispatch(CAD) and Records Management System (RMS)with a <br /> raciio infrastructure and a fleet of mobile data terminals. To allow <br /> for ttie highest available performance while ensuring a simple <br /> • ' migration path,Motorola's design includes equipment that is <br /> modutar in hardware architecture and upgradeable in software <br /> operations. <br /> SYSTEM COMPONENTS <br /> The following sections provide a technical overview of the Mobile <br /> Data System by identifying system components by name, funetion, <br /> location and connections. This design contains the following <br /> major components: <br /> ,� � • One Radio Network Controller � - � - <br /> • Two Data Base Stations (DBS) <br /> • Thirty Five Mobile Workstations MW 520 for Redwood City <br /> • 9 Panasonic CF25 ruggedized laptops for Hillsborough <br /> MESSAGE SWITCH <br /> The message switch, supplied by the CAD vendor, provides the � <br /> Iink between the Mobile Data System and the CAD and the records <br /> management systems. <br /> MESSAGE SWiTCH TO RADIO NETWORK CONTROLLER LINK <br /> The message switch interfaces to the Radio Network Controller <br /> (RNC)utilizing Transmission Control ProtocoU.Internet Protocol <br /> (TCP/IP)over Ethernet protocol link. This industry standard <br /> connection allows reliable message delivery as well as high speed <br /> data.transfer. <br /> �, . <br /> �MOroRO�.n . � 2 - 1 <br /> _ __ . <br />