AOpen AX6L User Manual page 9

Overview
1.3 Modem Wake Up
The Modem Wake Up discussed here is to wakeup from true power off
(identified by fan of power supply is off), This motherboard still supports
traditional green PC suspend mode but it is not discussed here.
With the help ATX soft power On/Off, it is possible to have system totally
power off (The traditional suspend mode of power management function does
not really turn off the system power supply), and wakeup to automatically
answer a phone call such as answering machine or to send/receive fax. You
may identify the true power off by checking fan of your power supply. Both
external box modem and internal modem card can be used to support Modem
Wake Up, but if you use external modem, you have to keep the box modem
always power-on. AOpen AX6L and internal modem card implement special
circuit (patent applied) and make sure the modem card works properly without
any power. We recommend you choose AOpen modem card (MP56) for
Modem Wake Up applications.
TEL Line
COM port
External Box Modem
Extaernal Modem Wake Up
TEL Line
Internal Modem Card Wake Up (such as MP56)
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