{HEAD ~ Voltage converter} 14 converts VBUS power signal to 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 {TAIL ~ PCA boards} 16 and via PCA board connectors 22 as shown 
{ HEAD ~ Voltage converter } 14 converts VBUS power signal to 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 { TAIL ~ PCA boards } 16 and via PCA board connectors 22 as shown
HEAD HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH