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第3代SDH产品──Millennia16／1是一个大容量的智能复用和传送系统。它可将标准的PDH和SDH信号复用成高达2．5Gbit／8（ST－16）的信号。由于宽的信号速率范围（ZMbit／S～2．SGbit／s）和容量，所以该系统是一种有效而灵活的组网设备。它是当前和未来SDH网络的一种主要组成部
The third generation of SDH products ─ ─ Millennia16 / 1 is a high-capacity intelligent multiplexing and delivery system. It multiplexes standard PDH and SDH signals into signals up to 2.5Gbit / 8 (ST-16). The system is an effective and flexible networking device due to its wide signal rate range (ZMbit / s ~ 2.Sbit / s) and capacity. It is a major part of the current and future SDH networks