Tag Archives: OM3

OM1, OM2, OM3, OM4 and OS1, OS2 Fiber

In ANSI/TIA-568-C.3, the TIA adopted the nomenclature for fiber found in the international standard ISO/IEC 11801. The multimode fiber is prefixed with “OM” and the singlemode mode “OS”.  The new designation in ANSI/TIA-568-C.3 should alleviate some of the confusion associated with application support distance issues. Each “OM” has a minimum Modal Bandwidth (MBW) requirement. Minimum […]