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Harmonic Delivers More Bandwidth to the Home with New DWDM Transmitters


PWRLink™ 1310 DWDM Forward Path Transmitters Ideal for Cable Network Segmentation –

Sunnyvale, Calif. - Harmonic Inc. (NASDAQ: HLIT) today expanded its PWRLink™ transmitter family with the introduction of 1310 nm dense wave division multiplexing (DWDM) forward path transmitters that make it possible to deliver significantly more bandwidth to the home using the existing hybrid fiber-coaxial (HFC) cable network. Without adding new fiber, cable operators can use Harmonic’s scalable DWDM transmitters to combine up to eight wavelengths to deliver traffic to segmented nodes.

Operators are faced with an increasing demand for downstream bandwidth in order to provision services such as more high definition (HD) television channels, video-on-demand (VOD), high-speed Internet and gaming, as well as upstream bandwidth used for user-generated content. To increase bandwidth available per subscriber, nodes are often segmented to reduce the number of homes passed. However, this results in more nodes per service area, and typically the cable operator needs to deploy additional fiber to serve these nodes, which is extremely expensive. Harmonic’s new DWDM solution eliminates this need for additional fiber. Using the PWRLink transmitters, multiple wavelengths can be combined onto a single fiber for forward transmission up to 30 kilometers.

“The ability to increase downstream and upstream bandwidth in a cost-effective and reliable way is critical to cable operators’ success in competing with telco and satellite service providers,” said Sunil Frida, Director of HFC Solutions and Strategy for Harmonic Inc. “Harmonic addresses this need with a variety of solutions including network segmentation, expansion to 1-GHz, ultra-efficient compression and switched digital video. The new PWRLink transmitters are part of our portfolio of powerful HFC solutions that are targeted at lowering cable operators’ capital expenditures while offering a highly scalable architecture.”

Harmonic offers a unique set of high performance video delivery solutions for cable networks, encompassing compression, stream processing, universal edgeQAMs, on-demand software and servers, and HFC broadband access. Harmonic’s full range of flexible fiber-based transmission solutions includes analog/digital return path, commercial services, and scalable 1310 nm and 1550 nm CWDM/DWDM digital transport systems. Using advanced technology that leverages the operator’s existing outside plant and minimizes operating costs, Harmonic’s broadband network solutions deliver a wide range of residential and business services for leading cable operators around the world.


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