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DIA service will include the customer premises router, the local loop transport, the port in the BMF , and connectivity to the <br /> BRIB and the global <br /> Internet. <br /> Port + Access Service Option <br /> DIA Service will include the local loop transport, the port in the BMF , and the connectivity to the BRIB and the global <br /> Internet. The customer <br /> will provide their own customer premises router. Detailed specifications for DIA using Metro Ethernet are found in the <br /> Metro Ethernet DIA <br /> section in Section 6. <br /> Port Only Service Option <br /> DIA service will include the port in the BMF, and the connectivity to the BRIB and the global Internet. The customer <br /> will provide their own <br /> customer premises router, and will provide the local loop transport connectivity to the BMF . Detailed specifications <br /> for DIA using Metro <br /> Ethernet are found in the Metro Ethernet DIA section in Section 6 . <br /> Demarcation Points <br /> The line of demarcation is as follows : <br /> Port + Access + CPE Service Option : LAN interface on CPE <br /> Port+Access Option : <br /> If < or = DS1 it is the Smart Jack <br /> If > DS1 and < 50M , or MetroE DIA 10M , 20M , or 50M (electrical) , it is the Transmit /Receive Coax cable jack <br /> If > Fractional OC3 , or MetroE DIA 10M , 20M , 50M (optical) , or MetroE DIA 100M , 250M or 500M , it is the "pair of fibers" <br /> 4) Billing Options <br /> Dedicated Internet Access (DIA) customers have a choice of billing methodologies . Tiered and Flat Rate monthly recurring <br /> charge billing plans are <br /> available for most Service Types and most Access Methods . With the Burstable plan , a customer whose Access Method is Private <br /> Line may choose to <br /> be billed either a tiered/flat rate monthly recurring fee or to be billed a variable amount based upon usage. ATM DIA is burstable <br /> billing only. MetroE DIA <br /> is only available in Tiered/Flat Rate billing only. <br /> a. Usage Determination for Burstable <br /> To calculate a customer's usage for a billing period , AT&T will poll the BMF router where the customer's service is <br /> terminated , taking measurements <br /> every 5 minutes for both inbound and outbound traffic , retaining the higher number for each 5-minute interval . These measurements <br />, collected for a <br /> billing period , will then be ordered from high to low, the top 5 percent of measures will be eliminated and the next <br /> highest number (95th percentile) will <br /> become the usage number to be multiplied by a per megabit price. The price per megabit will be based on : <br /> 95th Percentile of usage <br /> • Contract Term <br /> • Service Type <br /> Access Method <br /> If any port connection is placed in or removed from service during a monthly invoice period , the 95th percentile result for such <br /> port shall be pro-rated for <br /> the number of days which such port was in service. <br /> The Burstable product is only available using Private Line or ATM as the transport (DSI-OC12) <br /> 5) DIA Service Bandwidths <br /> Bandwidth Frame Relay Private Line ATM Metro Ethernet <br /> 128 kbps X <br /> 256 kbps X <br /> 384 kbps X <br /> 512 kbps X <br /> 768 kbps X <br /> 1024 kbps X <br /> DS1 1536 kbps X X X <br /> 2 mbps X* <br /> 3 mbps X X* <br /> 4 mbps X* <br /> 6 mbps X X* <br /> 8 mbps X* <br /> 9 mbps X X* <br /> 10 mbps X* <br /> CONFIDENTIAL/PROPRIETARY — NOT FOR DISCLOSURE WITHOUT WRITTEN PERMISSION <br /> Version : 04/2007 Page 3 of 14 <br /> Created On : February 20 , 2008 CCP-33130 <br />