DIN EN 50174-1 VDE 0800-174-1:2011-09

This standard specifies requirements for the following aspects of information technology cabling:
a) installation specification, quality assurance documentation and procedures;
b) documentation and administration;
c) operation and maintenance.
Amendment A1 comes with a new normative Annex E on sampling plans and marginal results; simplified administration requirements (clause 4.5.2), simplified complexity installation and operational levels (clause 6.2) and simplified minimum requirements for technical specifications and quality plans (Annex A); some technical and editorial changes to Clauses 4 and 5.