telephone data set

基本解释

Without dedicated data line, TSSS can connect general telephone set, switchboard, group telephone exchange or telephone outer ports of extension.
该直选台能直接和普通电话机、交换机、集团电话总机或分机的电话外线连接，无需专用数据线。
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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。