Jeff Garcia, the president of Sprint Nextel’s CDMA division, has left the company. Keith Cowan, who had been Sprint's president of strategy and corporate development, will take over the post until a permanent replacement is hired.

The CDMA division is the Sprint operation that represents the vast majority of Sprint’s subscribers. Garcia was also point man at Sprint for Pivot, the failed Cisco CRS-1collaboration with several cable operators that provided the MSOs with private-label cellular service.

Separately, Sprint claimed a first for transatlantic 40 Gbps transmission – the first time that an OC768 40 Gbps signal was successfully transmitted over a submarine cable using a single wavelength and existing dense wavelength division multiplexing (DWDM) systems.

Specifically, the company said it completed a technology trial of the first alien (generated by a device external to the system) wavelength OC768/STM256 40 Gbps transatlantic IP link between New York and Luleå, Sweden, a distance of about 5,600 miles (9,000 km).

The trial was made possible with the support of the TAT-14 cable system consortium (a consortium of approximately 40 international telecommunications carriers) and by the TAT-14 landing station operator in Denmark, TeliaSonera International Carrier.

Rather than using traditional external DWDM equipment to generate the long-haul signal, Sprint explained, the connection was based on Cisco’s Carrier Routing System, CRS-1, and IP-over-DWDM (IPoDWDM) systems. Cisco Systems worked with optical communications specialist StrataLight Communications.

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