Patent ID: 9647773
Date: 2017-05-09
CPC Classifications: H04B,H04M,H04N

Claim:
1. A subscriber terminal for use in a wide area network (WAN), the subscriber terminal comprising: a power source that provides a detection current and an electrical power having additional current or voltage than the detection current for transmission across at least one WAN transmission line; at least one WAN communication device that transmits and receives data communications, and at least one electrical coupling device electrically coupled to the power source and electrically coupled to the at least one WAN communication device, wherein the at least one electrical coupling device provides the detection current onto the at least one WAN transmission line for detection of a predetermined load across the at least one WAN transmission line and wherein the at least one electrical coupling device provides the electrical power onto the at least one WAN transmission line responsive to detection of the predetermined load, wherein the predetermined load indicates coupling of an optical network unit (ONU).