ALARM SYSTEM MONITOR SENSOR FOR MULTIMEDIA TERMINAL ADAPTER

摘要

The methods, systems, and apparatuses described in this disclosure enable the identification of an alarm condition and the termination of a connection between an MTA and one or more telephony devices. An alarm condition can be identified at an MTA through the monitoring of feedback received from an alarm interface, and the MTA can respond to the identification of the alarm condition by terminating a connection to a telephony device for which communications are not routed through a corresponding alarm interface. An interface between the MTA and alarm interface may route communications to and from a telephony network through a first pair of wires and may receive feedback from the alarm interface through a second pair of wires.

主权项

1. An apparatus comprising:
a first interface configured to be used to output communications to an alarm interface along a first wire pair and to receive feedback from the alarm interface along a second wire pair; a second interface configured to be used to output communications to and receive communications from a telephony device; a sensor configured to:
monitor voltage carried by the second wire pair; anddetermine that voltage has dropped below a threshold level at the second wire pair; a module configured to terminate a connection to the telephony device through the second interface when the determination is made that voltage has dropped below a threshold level at the second wire pair.