To solve this issue, the TIA-568 standard defines three polarity implementation methods (Method A, B, and C), which are achieved by using specifically mapped MTP®/MPO cable types (Type A, B, and C). Polarity in fiber optic networks refers to the alignment of transmit (Tx) and receive (Rx) signals between interconnected devices. 0mm cable assemblies in both single-mode and multimode fiber types. Network designers are turning to MTP® connectorized optical fiber trunk cable designs for today's duplex fiber transmission and to provide an easy migration path for future data rates that will use parallel optics s ce and reconfiguration. The connector design with SPECTRO-LINK technology allows for simple field polarity reversal in support of both A/A polarity and A/B polarity methods.