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Wake-on-Ring (WOR), sometimes referred to as Wake-on-Modem (WOM), is a specification that allows supported computers and devices to "wake up" or turn on from a sleeping, hibernating or "soft off" state (e.g. ACPI state G1 or G2), and begin operation. The basic premise is that a special signal is sent over phone lines to the computer through its dial-up modem, telling it to fully power-on and begin operation. Common uses were archive databases and BBSes, although hobbyist use was significant. Fax machines use a similar system, in which they are mostly idle until receiving an incoming fax signal, which spurs operation. This style of remote operation has mostly been supplanted by Wake-on-LAN, which is newer but works in much the same way. ==See also== * Advanced Configuration and Power Interface * RS-232 Signals, Ring Indicator 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wake-on-ring」の詳細全文を読む スポンサード リンク
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