| T1550/R980 T1550/R1480 | S= Single stage D = Dual Stage | F=Forward B=Backward | 1=Fast Axis Blocked 2=Both Axis Working | 250=250um bare fiber 900=900um loose tube | 1=SMF-28e 4=HI1060 5=PM Fiber | 0.8=0.8 m | NE=None FA=FC/APC FC=FC/UPC SA=SC/APC SC=SC/UPC LC=LC/UPC XX=Other |