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San Leandro Commercial Broadband Strategy <br />Coaxial cable <br />A type of cable that can carry large amounts of bandwidth over <br />long distances. Cable TV and cable modem service both utilize <br />this technology. <br />Commercial grade <br />Broadband service similar to residential service in that the <br />provider takes effectively all responsibility for installing, <br />maintaining and supporting the service. Speeds are similar (6 to <br />100 Mbps), but service levels, reliability, consistency and <br />pricing are higher. <br />CPCN <br />Certificate of Public Convenience and Necessity: Authorization <br />given by the CPUC to telecommunications carriers in order to <br />provide service in the state of California. <br />Dial -Up <br />A technology that provides customers with access to the Internet <br />over an existing telephone line. <br />DS3 <br />A dedicated phone connection supporting data rates of about <br />43Mbps (megabits per second). Also called a T -3, the line <br />actually consists of 672 individual channels, each of which <br />supports 64Kbps. DS3 lines are used mainly by Internet Service <br />Providers (ISPs) connecting to the Internet backbone. Large <br />businesses also use DS3 lines when they have large sites to <br />interconnect. <br />DSL <br />A common form of broadband Internet connection. DSL stands <br />for Digital Subscriber Line. <br />E -Rate <br />A Federal program that provides subsidy for voice and data lines <br />to qualified schools, hospitals, CBOs, and other qualified <br />institutions. The subsidy is based on a percentage designated by <br />the FCC. CTF benefits are calculated net of the E -rate subsidy. <br />E911 <br />Enhanced 911, an emergency service that automatically sends <br />phone number and location information to the operator. E911 <br />comes in handy, say, when you need to get emergency help and <br />are unable to speak or don't know your location. <br />Ethernet <br />The most common networking standard in the world, formally <br />known as IEEE 802.3. <br />Fixed wireless <br />The operation of wireless devices in a specific location, such as <br />an office. This term is usually reserved for devices that need to <br />be plugged in to operate, such as a desktop computer. If it runs <br />off a battery, it's not fixed wireless. The point -to -point signal <br />transmissions occur through the air over a terrestrial microwave <br />16 July 2012 TellusVenture Associates Page 67 <br />