COMMUNICATION DEVICE, METHOD AND SYSTEM

摘要

A communication device, a system and a method are disclosed, wherein, the communication device comprises: a communication transformer connected with communication cables, an interference cut-back module arranged at at least one end of the output end or the input end of the communication transformer for performing interference cut-back processing on interference signals interfering with data transmission, a communication processor and the like. The system comprises: at least two communication devices for communicating through the communication cables. The method comprises: the communication device receives data transmitted from the opposite end device through the communication cables, and the interference cut-back module cuts back on interference current flowing into the communication transformer through the communication cables. The device, the system or the method of the invention performs interference cut-back processing on the interference signals interfering with the data transmission between the communication devices.