SC Simplex, Electric Ivory Adapter, Electric Ivory Module, Phosphor, TIA/EIA-604 FOCIS-3 compliant adapters, Exceed TIA/EIA-568-B.3 requirements, Compatible with Mini-Com products for complete modularity, Improved protective cap fully surrounds split sleeve opening, Choice of phosphor bronze or zirconia ceramic split sleeves to fit specific network requirements; zirconia ceramic split sleeves are required for singlemode applications, Every adapter is laser marked with Q.C. number to assure 100 percent traceability, Mini-Com SC Simplex Adapter Modules are commonly used with Mini-Com Patch Panels, Mini-Com SC Duplex Adapter Modules are commonly used with Mini-Com Surface Mount Boxes, SC simplex and duplex adapters are also available separately, and in patch panels or fiber adapter panels to provide a complete SC system solution.