Electronic apparatus and instruments for processing optical fibers, comprising optical fiber preparation apparatus and instruments in the form of splicers, strippers, annealers, cleavers and recoaters; Machines, apparatus and instruments for testing optical fibers, in particular proof testers and interferometers; Automatic systems for processing and testing optical fibers, comprising optical fiber preparation systems in the form of splicers, strippers, cleavers, recoaters, proof testers and i...