Apparatus and method for modem wake-up with autobaud function

Details Apparatus and method for modem wake-up with autobaud function Apparatus and method for modem wake-up with autobaud function

1994-10-18

1997-05-20

Woo, Stella

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 98, 375222, H04M 1100

Patent

active

056319525

ABSTRACT:
An apparatus and method for a data communications device, such as a modem, having a sleep mode for conserving energy and an operational mode for data transmission, to transition from the sleep mode to the operational mode. The wake up method and apparatus respond to the receipt of serial data from a terminal, including response to existing terminal commands. The wake up method and apparatus also autobauds to the serial data transmit signal. The wake up and autobauding operations occur in a way that are transparent to the user.

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patent: 5375051 (1994-12-01), Decker et al.
patent: 5428671 (1995-06-01), Dykes et al.

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