Patent ID: 6377665
Filing Date: 2002-04-23
Classification: H04L,H04M

Abstract:
A method of implementing a local area network in a customer premises telephone network having a plurality of end equipment units having respective end equipment unit terminal ends, a private branch exchange (PBX) having PBX terminal ends, and a plurality of two-wire buses configured for connecting the end equipment unit terminal ends to the PBX terminal ends, respectively, for transmission of UPN protocol digital signals between the PBX and the end equipment units, the method comprising:connecting low pass filters, each configured for passing the UPN protocol digital signals and rejecting a local area network signal, at each PBX terminal end and each end equipment terminal end of a corresponding two-wire bus, each two-wire bus having a first node between the corresponding two connected low pass filters; connecting a high pass filter, configured for passing the local area network signal and rejecting the UPN protocol digital signals, across each of the two-wire buses at the corresponding first node; transmitting the local area network signal from a first network node on a corresponding first of the two-wire buses at the corresponding first node.