FIG 5 depicts a timing server 500 coupled to {HEAD ~ one or more synchronous data buses} 562 through {TAIL ~ a data bus interface} 560 
FIG 5 depicts a timing server 500 coupled to { HEAD ~ one or more synchronous data buses } 562 through { TAIL ~ a data bus interface } 560
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH