Light switcher, WDM, photoelectric transceiver, protocol converters, low-cost broadband solutions and other electronic and communication products;
光开关、波分复用器、光电收发器、协议转换器、低成本宽带接入方案、电子电缆等通信产品；
At one level, this means things such as synchronous and asynchronous communications, routing, transformation, high speed distribution of data, and gateways and protocol converters.
在一个层次上，这意味着数据的同步和异步通信、路由、转换和高速分布、以及网关和协议转换器等等。
Early network Bridges, protocol converters, and routers were simple dedicated hardware units typically configured through a terminal directly connected to a serial port on the unit itself.
早期的网桥、协议转换器和路由器都是简单的专用硬件设备，通常是通过直接连接到该设备本身串口的终端来配置的。
With the RS232 serial port, the different kinds master slave system of AC converters can communicate with PC under the USS protocol.
多类型变频器通过RS2 32串行口通讯，在USS通讯协议下，就可以与工控机联网。
With the RS232 serial port, the different kinds master slave system of AC converters can communicate with PC under the USS protocol.
多类型变频器通过RS2 32串行口通讯，在USS通讯协议下，就可以与工控机联网。
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