DFI COM630-B - Manual (Page 39)

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Hardware Installation
Wake-On-Ring Connector
The Wake-On-Ring connector is used to connect to an internal modem add-in
card that has the same connector. It will allow the system that is in the Suspend
mode or Soft Power Off mode to wake-up/power-on to respond to calls coming
from the internal modem card.
To use this function, connect one end of the cable (that came with the card) to
the card’s wake-on-ring connector and the other end to the Wake-On-Ring con-
nector on the system board.
If you are using an external modem, the ring-on function will come through the
serial port where the external modem is connected.
Important
If you are using a modem add-in card, the 5V_standby power source of
your power supply must support ≥720mA.
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