The LanTEK IV is a new Cable Certification System that brings a new standard to the industry, making the job faster, easier and more profitable. The FiberTEK IV is the optical equivilant to the LanTEK IV and can be used in the same mainframe. The FiberTEK IV performs fast and simple Tier 1 certification of high bandwidth single-mode and multimode fiber optic cabling including support for encircled flux testing.