Typically, although not necessarily, the fiber channels 103 are disposed between {TAIL ~ the alignment pin channels} 103, 105 on {HEAD ~ the ferrule end face} 
Typically , although not necessarily , the fiber channels 103 are disposed between { TAIL ~ the alignment pin channels } 103 , 105 on { HEAD ~ the ferrule end face }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD