Patent ID: 6560205
Filing Date: 2003-05-06
Classification: H04L

Abstract:
A hub port for connecting a node port to a hub, the hub port comprising:(a) a switching device, including a first input, a second input, a third input, and a control input; (b) a hub port transmit circuit; (c) an incoming internal hub link connected to the second input of the switching device and the hub port transmit circuit; (d) a first data channel connected to the hub port transmit circuit and to the node port; (e) a hub port receive circuit which includes a loop, initialization data detect circuit and a hub port output control circuit; (f) a second data channel connected to the node port and to the hub port receive circuit; (g) a hub port output control line connecting the hub port output control circuit to the control input of the switching device; (h) a hub output line connecting the hub port receive circuit to the. first input of the switching device; (i) a loop initialization data generator; (j) a loop initialization data line connecting the loop initialization data generator to the third input of the switching device; and (k) an outgoing internal hub link connected to the switching device.