Originally featured on BroadcastEngineering.com
Harmonic expands forward path transmitter line

Harmonic has expanded its PWRLink transmitter family with the introduction of 1310nm dense wave division multiplexing (DWDM) forward path transmitters, which make it possible to deliver 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.

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.

The 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 30km.

The company addresses this need with a variety of solutions including network segmentation, expansion to 1GHz, ultra-efficient compression and switched digital video. The new PWRLink transmitters are part of a portfolio of HFC solutions that are targeted at lowering cable operators’ capital expenditures while offering a highly scalable architecture.

For more information, visit www.harmonicinc.com.

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