1,SC/PC - SM MM - 0.9 2,FC,SC,ST,LC.MTRJ,MU,E2000,etc. 3,PC,APC,UPC 4,Singlemode/Multimode. Description: Specification:1, SC/PC - SM MM - 0.92, FC,SC,ST,LC,MTRJ,MU,E2000,etc. PC, APC,UPC. Singlemode/Multimode.Application:1, Local Area Network (LAN)2, Data communication network3, Telecommunication optical transmission network4, Optical access network(OAN)5, Active device termination 6, CATV7, ...