Quick Facts - This fiber panel comes with (3) SC duplex pairs. - Guaranteed for life! Further Details - Adapter panels snap easily into all standard fiber enclosures, cabinets, and patch panels, including all Black Box models. - Panels with bronze sleeves are more economical and well-suited for multimode applications. - Standard panels with ST or LC connectors are available. - High-density panels and panels with ceramic sleeves are also available.