Both are internal ISA-bus cards. For cable TV network operators, 3Com also announced a Cable Access Router Card Set designed for routing from a backbone data network to the cable network, as well as a QAM modulator product designed to provide RF output conforming to MCNS specifications. The DSL services are supported through a connection to Pacific Bell's ATM network. Concentric Network operates its own ATM backbone to support a range of Internet and IP-based Virtual Private Network services. The most recent quarterly survey of new venture capital funding in Silicon Valley found that record amounts of money continue to flow into start-up companies specialized in telecommunications or Internet technologies.
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