IEC 60794-2-11:2012 presents the detailed requirements specific to this type of cable to ensure compatibility with ISO/IEC 11801, Information technology - Generic cabling for customer premises. The requirements of the Family Specification IEC 60794-2-10:2011 are applicable to cables covered by this standard. Particular requirements detailed in clause 4 either define a specific option relative to the requirements of IEC 60794-2-10:2011 or define additional requirements. This second edition cancels and replaces the first edition published in 2005. It constitutes a technical revision. The main changes are: - Incorporation of the OM4 cabled fiber performance category; - Incorporatino of the OS2 cabled fiber performance category; - Incorporation of the B6_a1 and B6_a2 fibre category as per IEC 60793-2-50:2008.