当设备被模拟(比如虚拟网络适配器)时，模拟提供一个抽象层以抽象物理硬件。
When devices are emulated, such as virtual network adapters, the emulation provides a layer to abstract away the physical hardware.
硬件设计简单可靠，结合软件，基本实现了四层电梯运行的模拟。
Hardware design is simple and reliable, the combination of software, basically a four-story elevator operation of the simulation.
通过硬件基本功能测试、物理层功能仿真验证以及模拟业务试验，证实了REPON系统可以稳定且可靠的运行，且其物理层光纤链路上的收发误码率在10-9以下。
The experimentation results show that this REPON hardware system can provide a stable and reliable performance, e. g. the bit error rate of its physical fiber link is less than 10 -9.
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