BS PD IEC/TR 62627-01:2016, which is a Technical Report, details cleaning methods for fibre opticconnectors. It includes typical cleaning tools and machines, and cleaning procedures. Othercleaning methods may exist. The impact of contamination and the reasons for connectorvisual inspection and cleaning are described in Annex B. This Technical Report does notaddress the visual inspection criteria, which are covered in IEC 61300-3-35: 2015.Optical fibre patch cords are handled by the operators and maintenance staff of opticalnetwork systems. This Technical Report may be used as a guideline to prepare instructionmanuals for those involved in optical system maintenance and operation.This Technical Report covers fibre optic connector plugs, optical adaptors, optical receptacles(excluding optical transceivers) and dust caps. Guidelines for optical connector end-facecleaning methods for receptacle style optical transceivers are covered in IEC TR 62572-4.Cross References:IEC 61274-1IEC 61300-3-35:2015IEC TR 62572-4IEC TR 62627-05