{HEAD ~ Both fiber} 30 and {TAIL ~ its protective cabling} are housed in a sheath 34 
{ HEAD ~ Both fiber } 30 and { TAIL ~ its protective cabling } are housed in a sheath 34
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH