... (Attenuation or Stage)01=1/99 or 1dB or 1 Stage, 02=2/98 or 2dB or 2 Stage, 03=3/97 ... B2, ..., F, KPigtail TypeB=250µm Bare fiber, L=900µm Loose tube, S=2.0mm, R=3.0mm,0=AdapterPigtail Length05 ... --20=0.5--2.0m, 0=Adapter ... plastic caseB53x60 steel tubeXU19'' x=1,2,3,4 U Rack MountD90x20x9.5 plastic caseXGX=1,2,3,4 U LGX box