Wake-on-ring

Wake-on-ring

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 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.

ee also

* Advanced Configuration and Power Interface
* Ring Indicator

Additional Resources

* [http://www.smartcomputing.com/editorial/dictionary/detail.asp?guid=&searchtype=&DicID=19523&RefType=Encyclopedia "Wake on Modem" entry from Smart Computing Encyclopedia]


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