Edimax Technology PS-1206MFG - Manual (Page 116)

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16. The default wireless setting is “Auto” mode. The MFP Server will detect if
the MFP Server is connected to a wired LAN network through the attached
Ethernet cable. If yes, it will work in wired network. To enable the wireless
setting, please remove the Ethernet cable. For more detailed information
about wireless setting, please refer to Section 7.8 in the manual.