Each configuration table stores {HEAD ~ a listing} of processes to be transmitted to or received from {TAIL ~ the communication bus}, wherein a first configuration table is selected from the first line card upon the occurrence of a first event and a second configuration table is selected from the second line card upon the occurrence of a second event 
Each configuration table stores { HEAD ~ a listing } of processes to be transmitted to or received from { TAIL ~ the communication bus } , wherein a first configuration table is selected from the first line card upon the occurrence of a first event and a second configuration table is selected from the second line card upon the occurrence of a second event
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL REL REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH