The two-stroke engine must still complete all four stages of operation—it just does this in two piston strokes instead of

Ab c d e f g h i j k l m n o p

Once the twisted pair cable is connected and a network is established the led lights at the back of the computer should be steady. on most ethernet adapters nowadays, a steady green light means that the connection is actively connected to a valid partner at the opposite end. if the status of the led starts flashing, this means that there’s some activity and data is being transferred.

It is called "choke.