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Tektronix公司于1998年9月14日,宣布推出其最新型的ST2400A SDH/SONET测试装置,它采用了先进的光通信技术,是第一台优化用于测试密集波分复用(DWDM)用户系统的仪表。 ST2400A可以对SDH或SONET网元特性进行仿真。ST2400A最适合用来测试通过WDM系统传输的2.488Gbit/s STM-16(SDH)或OC-48(SONET)网络的传输质量。
On September 14, 1998, Tektronix announced the launch of its newest ST2400A SDH / SONET test set that uses advanced optical communications technology and was the first to be optimized for testing dense wavelength division multiplexing (DWDM) user systems Instrument. The ST2400A can simulate SDH or SONET network element characteristics. The ST2400A is best suited for testing the transmission quality of a 2.488 Gbit / s STM-16 (SDH) or OC-48 (SONET) network transmitted over a WDM system.