Voltage converter 14 converts VBUS power signal to {TAIL ~ an Enable signal} , e.g., VBUS Enable signal 26. VBUS Enable signal 26 may be routed across multiple PCA boards 16, e.g., across traces on PCA boards 16 and via {HEAD ~ PCA board connectors} 22 as shown 
Voltage converter 14 converts VBUS power signal to { TAIL ~ an Enable signal } , e.g. , VBUS Enable signal 26 . VBUS Enable signal 26 may be routed across multiple PCA boards 16 , e.g. , across traces on PCA boards 16 and via { HEAD ~ PCA board connectors } 22 as shown
OTH OTH OTH OTH OTH 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH