Sophisticated Circuits PowerKey Pro 600, Руководство пользователя

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Appendices Page 91
PowerKey Pro also works with the “distinctive ringing” phone
service, which can allow you to use the same phone line for remote
access and remote restarts. See Chapter 4, System Triggers, for
more information.
Security Issues
You can use the phone tone detection features of PowerKey
Pro Model 600 to restart only if you enter the correct control
code. To do this, you create two Events instead of the one
described above.
The first Event answers the phone when it rings a desired
number of times.
The second Event restarts the computer if the correct control
code is entered on the telephone keypad.
If a wrong number causes the first Event to answer the phone,
PowerKey Pro will automatically hang up if it doesn’t hear a
recognized control code within 25 seconds.
Controlling Other Outlets
You can also use the Phone Tones Heard Trigger to turn other
outlets on and off, in conjunction with the Switch Outlets
Action.