@Souvik30 It's a matter of FW implementation - there's no such feature implemented - pay attention that Access Control is now in Security menu section: In older/entry level devices Access Control...

@Brian74 I don't believe you can do that for standalone WAPs:

@javi.124 You can try configuring the C2 in access point mode and disable its wi-fi radio, thus converting it into ethernet switch. USB sharing should work in AP mode. Depending on the C2 HW/FW...

@Jon- Here's an explanation of what the LED blinking means. Here's how to configure the device in client mode.

@Kuriarko In the recent FW releases you can change only the device password. Thus username being admin is redundant, hence only the password is the input needed. If the device supports TP-LInk ID...

@MagNeto It depends where you've placed the device. In general, it should be positioned in a well ventilated place on a firm surface. If you believe it's getting too hot, you can put some spacers...