SummaryThis Recommendation specifies the basic characteristics of devices designed for the transmission of data over in-premises phoneline networks. These devices are intended to be compatible with existing telephony devices on the in-premises phoneline network. Additionally, the Recommendation provides for spectrum notching for compatibility with Amateur Radio services. This Recommendation defines: ������������ the system reference model for these devices; ������������ the PSD mask; ������������ the line signal frame format; ������������ the media access protocol; ������������ basic electrical characteristics. |