The transceiver comprises {HEAD ~ a plurality} of {TAIL ~ OSAs}, an optical member and a plurality of inner fibers to couple the optical member with OSAs 
The transceiver comprises { HEAD ~ a plurality } of { TAIL ~ OSAs } , an optical member and a plurality of inner fibers to couple the optical member with OSAs
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH