... 125 um , )3.Specification: single core , dual - core , the 4 core , 6 cores , 12 core . . . etc(according to ... your requests)4 . the joint selection : FC,SC,ST,LC,MU,MTRJ, ... on user's requirements6.Number of Conductors: 1,2,4,6,8,10,12 etc. Technical Parameters : 1 ... . 2 . Telecommunication network . 3 . The test equipment . 4 . The broadband network . 5 . The fiber CATV