CABLES UNLIMITED's 888532 20 ft 48-fiber 9/125 XB single-mode (OS2) trunk fiber assembly with 36 in leg length trunk. LC to MTP (non-pinned), pulling grip on one side, snap-on strain-relief bracket TIA-568 type-B polarity. Four (4) 12 MTP connectors on one end; 48 LC connectors on other end. Plenum, yellow jacket. Furcation to furcation = length.