Telegraph repeater. One-way simplex, two-way simplex, or duplex operation can be specified.
电报中继器。可指定为单向单工、双向单工或双工运行。
The DTR standard defines requirements for new end-stations and concentrators, and it specifies a protocol for full- duplex operation.
此DTR标准定义了新的端站与集中器的要求并制定了全双工工作的协议。
The DTR standard defines requirements for new end-stations and concentrators, and it specifies a protocol for full- duplex operation.
此DTR标准定义了新的端站与集中器的要求并制定了全双工工作的协议。
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