Standard Polarity Options MPO to MPO Straight Through Polarity ANSI/TIA-568-C.0 “Type A” MPO to MPO Reversed Polarity ANSI/TIA-568-C.0 “Type B” MPO to MPO Flipped Pairs Polarity ANSI/TIA-568-C.0 “Type C” MPO Hybrid Assemblies with Duplex Connectors & 12-f Subunits Straight Through: 1-to-1A: 2-to-1B MPO Hybrid Assemblies with Duplex Connectors & 12-f Subunits Flipped Pair: 1-to-1B: 2-to-1A Multi-fiber Assemblies with Duplex Connectors & 12-f Subunits ANSI/TIA-568-C.0, Consecutive-Fiber Positioning Multi-fiber Assemblies with Duplex Connectors & 12-f Subunits ANSI/TIA-568-C.0, Reverse-Pair Positioning Duplex Patchcord Polarity A-to-A Duplex Patch Cord Duplex Patchcord Polarity A-to-B Duplex Patch Cord