Fiber optic patch cables are a defining factor in ensuring your network performs at its highest level. Patch cables are a critical component used between a patch panel or wall boxes and active components such as switches, routers etc. They must be of the highest quality to ensure connectivity.Today's increasing demand for bandwidth requires patch cables that exceed old industry standards. BLACK BOX fiber optic patch cables meet or exceed an insertion loss of =0.3 decibels per termination.