PM MT-MPO Assembly – 8F/12F/16F Polarization-Maintaining Ribbon Fiber 1. Product Title PM MT-MPO Assembly – 8F/12F/16F Polarization-Maintaining Ribbon Fiber 2. Product Overview GracyFiber PM MT-MPO Assembly is a pre-terminated multi-fiber solution built with polarization-maintaining ribbon fiber and MT/MPO interfaces. Available in 8F, 12F, and 16F configurations , the assembly supports wavelength options from 405 nm to 1550 nm for polarization-sensitive multi-channel optical