The plug in assembly 28 shown in FIG 2 comprises a plug pin 30 formed with a central longitudinal hole 32, which is illustrated only by {HEAD ~ way} of {TAIL ~ indication}, for holding the optical conductor end 20 
of
The plug in assembly 28 shown in FIG 2 comprises a plug pin 30 formed with a central longitudinal hole 32 , which is illustrated only by { HEAD ~ way } of { TAIL ~ indication } , for holding the optical conductor end 20
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 REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH