Features: 1) Meets EIA / TIA, IEC NTT and bell core GR 326-CORE Standard 2) Optional Connector: SC / LC / FC / ST / MTRJ / MU / DIN / E2000 / D4/etc 3) PC, UPC, APC polishing 4) 0.9mm, 2.0mm, 3.0mm cable diameter are avaiable 5) SM / MM and Simplex & Duplex 6) Customized Specification are welcome