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TAC Signal on DDS Network Disclosure Number: IPCOM000035916D
Original Publication Date: 1989-Aug-01
Included in the Prior Art Database: 2005-Jan-28

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Related People

Esteban, D Ferry, M [+details]


In an analog telephone network it is usual to provide a remote modem with a Tone Alarm Control (TAC) which sends an alarm tone to the control unit when the remote modem is powered-off or when a power failure is detected.