German cable operator KBW deploys Transmode gear

April 28, 2010
APRIL 28, 2010 -- Kabel BW, the Heidelberg-based cable operator and triple-play service provider, has selected equipment from Transmode to expand its network capabilities.

APRIL 28, 2010 -- Kabel BW, the Heidelberg-based cable operator and triple-play service provider, has selected equipment from Transmode to expand its network capabilities.

Following the installation of Transmode's TM-3000 optical platform in more than 20 cities, Kabel BW can offer services that include HDTV, video on demand, telephony, and broadband Internet to more than 99 percent of all householders who have cable in the Baden Württemberg region, the systems house says.

Kabel BW's primary network stretches over 72,000 km of coaxial cable and 10,000 km of optical fiber. It connects 21 network centers across the region and ensures connectivity to every household across the state, even those outside the major cities.

The multiplexers in the Kabel BW network support 40 wavelengths initially and can be expanded to 80 wavelengths without service interruption, Transmode says. These wavelengths carry 10-Gbps services and Kabel BW's STM-64 services. Continual ongoing availability of all services is ensured by redundant connections of all the network components. Despite the necessity for the add/drop multiplexers, no electro-optical regeneration was necessary, reducing complexity and cost, according to Transmode.

Due to the experience that Kabel BW gained during the building of the network in the northern service area, it was possible to build the new network in the south in less than a few months, Transmode says. After what the systems vendor termed “a long evaluation,” Kabel BW decided to build the new network with Transmode and the local systems integrator NK Networks.

"Although we had a very good experience with Transmode previously, we decided to evaluate many different options," said Ludwig Modra, project director for network and technical services at Kabel BW. It became clear the TM-Series was the right solution because its modular architecture and flexible build incurred low costs and best met our needs. In addition we were convinced that the interoperability of the TM Series was appropriate for the distribution of both TV and video services."

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