This photo shows catalog Item 811U, the CableEye M2U system with the CB15 board set attached. Remove the interchangeable CB boards by pressing apart the latches near the front of the board. Choose from more than 60 different CB boards to accommodate over 200 standard connector types. Use the CB8 board for prototyping and circular connectors. The M2U system offers a small bench footprint and the ability to handle cables of up to 76 conductors. For larger cables or harnesses, attach an expansion module, Item 813 (vertically stacked). See below for rear view and side view. USB interface standard. Serial interface (shown in photo) available on special order. A computer is required even though one is not shown in this photo.