Keysight 81618A/9A and Keysight 81620B/3B/4B/6B/8B Optical Heads User’s Guide 101Cleaning Information 5How to clean connector interfacesPreferred ProcedureUse the following procedure on most occasions.1 Clean the interface by pushing and pulling a new, dry pipe cleaner intothe opening. Rotate the pipe cleaner slowly as you do this.2 Then clean the interface by rubbing a new, dry cotton swab over thesurface using a small circular movement.3 Blow away any remaining lint with compressed air.Procedure for Stubborn DirtUse this procedure when there is greasy dirt on the interface:1 Moisten a new pipe cleaner with isopropyl alcohol.2 Clean the interface by pushing and pulling the pipe cleaner into theopening. Rotate the pipe cleaner slowly as you do this.3 Moisten a new cotton swab with isopropyl alcohol.4 Clean the interface by rubbing the cotton swab over the surface usinga small circular movement.5 Using a new, dry pipe cleaner, and a new, dry cotton swab remove thealcohol, any dissolved sediment and dust.6 Blow away any remaining lint with compressed air.CAUTION Be careful when using pipe cleaners, as the core and the bristles of thepipe cleaner are hard and can damage the interface.Do not use pipe cleaners on optical head adapters, as the hard core ofnormal pipe cleaners can damage the bottom of an adapter.
