TP-Link TL-PA210 manual Physical Interface, Description

		TL-PA210	AV200 Nano Powerline Adapter
	On	The Ethernet port is connected, but there is no data
		being transferred.
Ethernet LED	Blinking	The Ethernet port is transferring data.
	Off	The Ethernet port isn’t connected.

)Note:

5 minutes after the device connected to the adapter is turned off, and the adapter will automatically switch to the power-saving Mode.

2.3 Physical Interface

There are three physical interfaces on this Powerline Adapter.

Pair Button

Power Plug

Ethernet Port

Interface	Description
Ethernet Port	A 10/100Mbps Ethernet port for connecting the adapter to the PC or the
	broadband device with a network cable.
Power Plug	A Power Plug for connecting the adapter to a 100-240V~, 50/60Hz
	power socket.
	Pair buttons are used to secure a powerline network. To secure your
	network, please follow the steps below. Firstly, plug in a new adapter,
Pair Button	and press its pair button for 1 second; then plug in another adapter and
	press its pair button for 1 second as well. The two buttons should be
	pressed within 2 minutes of each other. After that, wait about 60 seconds
	so that the two adapters can finish connecting.

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