China Unicom, the largest service providers in China, needed to provide 8x E1 interfaces for one of its customers. To accomplish this, China Unicom's field engineers and network planners had to connect from a mobile telephone station (BTS) to the building of the customer premise site, Petroleum Plaza. China Unicom decided on a combination of a LightPointe FlightSpectrum 155/4000 system and SDH devices to provide 8x E1, up to 63x E1, for its customer in only two days. This allowed Unicom to deliver immediate optical bandwidth with an economic model that rewards the service provider with a payback period of only three months.
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