H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 12/56 (2006.01)
Patent
CA 2277466
Systems and methods for handling different types of alarm signals, such as red, blue, and/or yellow alarm signals, in hybrid time division multiplexing (TDM)/asynchronous transfer mode (ATM) networks. A terminal adapter, which may be in the form of a stand-alone device and/or integrated with an ATM switch, may receive an alarm signal from a TDM switch. Based on the nature of the alarm signal, the terminal adapter may send a message to the ATM switch and/or acknowledge to the TDM switch that the terminal adapter has received the alarm signal from the TDM switch. The ATM switch, upon receiving the message from the terminal adapter, may route appropriate other messages to other ATM switches and/or TDM switches in the hybrid network. Other ATM switches receiving such messages may in turn route appropriate messages via the signaling network to other ATM switches and/or TDM switches.
Bruno Richard J.
Feury Patrick J. Jr.
Giuffrida Thomas S.
Malloy Joseph M.
Parcells James R. Jr.
At&t Corp.
Kirby Eades Gale Baker
LandOfFree
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