Acer AW2000h-AW170h - Manual (Page 145)

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Launch SOL
SOL allows you to launch the remote console by using Serial over LAN.
Click Launch SOL. Select the Baud rate from the pull-down menu as
your SOL transfer rate. Make sure that the Baud rate selected here
matches the Baud Rate set in the BIOS.
Once you have selected the Baud rate, and press Start to start the
session. You can also press Stop to stop the SOL connection.