Features: 1) According to EIA / TIA, IEC NTT and bell core GR 326-CORE compliant. 2) Optional connectors : SC / FC / ST / LC / MTRJ / MU / DIN / D4 / ect... 3) PC, UPC, APC polishing 4) 0.9mm, 2.0mm, 3.0mm cable diameter optional 5) Single Mode or MultiMode 6) Patch cord available