Occam Networks is using Broadcom’s ADSL and Gigabit Ethernet silicon technologies for delivering and aggregating broadband traffic on its new BLC 6000 Loop Carrier System. The design utilizes the Broadcom BCM6410/20 BladeRunner ADSL Central Office (CO) chipset, which enables high-speed access capability from the CO or remote terminal (RT). Aggregation and transport of the user traffic is powered by a family of Broadcom Gigabit Ethernet devices, which include the BCM5691 StrataXGS GbE multi-layer switch chip, the BCM5421S GbE PHY) device, and the BCM5703S GbE MAC. These Gigabit Ethernet chips enable the uplink, switching, and backplane capabilities in the BLC 6000 System.
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- In May 2003, Occam Networks announced its new BLC 6000 Broadband Loop Carrier System for delivery of voice, data and video services using Gigabit Ethernet transport. Occam’s BLC 6000 is a modular loop carrier system designed to eliminate the need for additional pieces of access equipment such as a DSLAM, Ethernet switch, Optical Add Drop multiplexor and VoIP gateway. The platform supports TDM services, such as lifeline POTS and T1s, as well as an IP Service Delivery model for the delivery of video and softswitch-controlled voice services. IP support includes Internet Group Multicast Protocol (IGMP) and Media Gateway Control Protocol (MGCP). The BLC 6000 System can scale from 24 to thousands of subscribers, sharing blades across a variety of chassis sizes. It also supports both copper and fiber services to the subscriber, enabling carriers to build fiber-to-the-curb networks immediately and later upgrade to fiber-to-the-home without switching loop carriers. Occam Networks also features unique Ethernet Protection Switching (EPS) and Service Quality Management (SQM) technologies, which the company says ensures carrier-quality IP voice over Ethernet with the reliability of SONET and voice quality as good or better than TDM.
