2009EN 61935-1:2009 Specification for the testing of balanced and coaxial information technology cabling - Part 1: Installed balanced cabling as specified in the standards series EN 50173
2005EN 61935-1:2005 Testing of balanced communication cabling in accordance with standards series EN 50173 Part 1: Installed cabling
2000EN 61935-1:2000 Generic Cabling Systems - Specification for the Testing of Blanced Communication Cabling in Accordance with ISO/IEC 11801 - Part 1: Installed Cabling (Incorporates Amendment A1: 2002; Incorporating Corrigendum February 2001)