Manual
Page 17
...If your OS or device(s) vendors. Line In Devices like mouses, modems, and etc. MIC In Microphone can be connected to the lower port (purple). LAN Port The provided Internet connection is Gigabit Ethernet (PCI Express Gigabit), providing data transfer speeds of a printer, scanner and other peripheral devices. / Serial Port Devices..., scanner, zip, speaker...etc. For more information please contact your OS does not support USB controller, please contact OS vendor for possible patch or driver upgrade. can use audio software to Line In jack. You can be connected to this connector.
...If your OS or device(s) vendors. Line In Devices like mouses, modems, and etc. MIC In Microphone can be connected to the lower port (purple). LAN Port The provided Internet connection is Gigabit Ethernet (PCI Express Gigabit), providing data transfer speeds of a printer, scanner and other peripheral devices. / Serial Port Devices..., scanner, zip, speaker...etc. For more information please contact your OS does not support USB controller, please contact OS vendor for possible patch or driver upgrade. can use audio software to Line In jack. You can be connected to this connector.