| 术语 | system communication modem |
| 释义 | system communication modem 系统通信调制解调器 A device which connects the communications multiplexor from the remote outlet to the interface device in the computer center.On the transmission end, the modulator converts the signals or pulses to the right codes and readies them for transmission over a communication line in alternating current. On the receiving end a demodulator reconverts the signals to direct current for communication to the computer via the computer interface device. 把通信多路复用器从远程出口连接到计算机中心的接口设备上的一种设备 ［装置］。在发送端, 调制器把信号或脉冲转换成适当的代码,并为在通信线路上以电流发送这些代码作好准备。在接收端,解调器再把这些信号转换成数字电流,以便通过计算机接口设备向计算机通信。 |
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