If the central node is passive, the originating node must be able to tolerate the reception of an echo of its own transmission, delayed by the two-way transmission time ( i. e. to and from the central node ) plus any delay generated in the central node.
If the central node is passive, the originating node must be able to tolerate the reception of an echo of its own transmission, delayed by the two-way round trip transmission time ( i. e. to and from the central node ) plus any delay generated in the central node.
0.004 seconds.