Sony PCV-L400 - Manual (Page 63)

System Board 55
Wake On LAN (WOL_CON) Connector
The WOL_CON connector is a 3-pin header connector that provides the
Wake On LAN function.
Wake On LAN connector
Pin
Signal
1 +5V SB
2 GND
3 WOL signal
KY0096.VSD
1 3
WOL_CON