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1·A circuit arrangement for deriving a phantom circuit.

用来派生一个幻象电路的电路结构。

2·A circuit arrangement for deriving a phantom circuit.

一个幻象电路的电路结构。

3·Modules at each end of the cable provide a phantom path for telephony signals between a telephone near the data set and a PBX, through both conductor pairs in a phantom circuit arrangement.

配置在电缆两端的模块通过幻象电路配置内的两对导线为一个靠近数据设备的电话机与一个PBX之间的电话信号提供一个幻象通路。