Patent ID: 7061140
Filing Date: 2006-06-13
Classification: H02J

Abstract:
1. A method, adapted for implementation by signal processing activity, of testing a power supply adapted for use in equipment in a broadband communications network, the power supply configured to accept a battery power source and an external power source, the method comprising: at a first periodic time, detecting a first electrical signal associated with the battery power source; based on the first electrical signal, determining whether the battery power source is present; based on whether the battery power source is present, at a second periodic time, detecting a second electrical signal associated with the battery power source; based on the second electrical signal, determining whether the battery power source is charged; based on whether the battery power source is present and charged, at a third periodic time, detecting a third electrical signal associated with the external power source; based on the third electrical signal, determining whether the battery power source is being used; and displaying, in an order of priority, whether the battery power source is present, charged and being used.