Downsized and Enhanced Optical Fiber Cable Transfer Splicing System

摘要

We have downsized and enhanced our original optical fiber transfer splicing system so that it can be applied to all regions in optical access networks. This paper describes methods for applying this system to aerial optical fiber cables, where it is already used, to optical fiber cables, which are composed of ribbons with different numbers of fibers, and to optical fiber cables without optical fibers for synchronous control. The equipment was miniaturized to enable aerial cable work to be undertaken more easily. We then added a function that allows us to control the optical fiber CATS system synchronously at three work sites, and to synchronize this system by using a cellular phone. We succeeded In reducing the size to about half that of a conventional device by changing the switch movement from the vertical to the horizontal direction. In addition we developed an algorithm so that an optical fiber CATS system could be controlled synchronously at three different locations. Moreover, the synchronous switch enabled by the cellular phone provided the same accuracy as a synchronous control that uses optical fiber by changing from the currently used, subordination synchronization to independent synchronization. Then, we evaluated the performance of a prototype system, and used it in a cable removal simulation. As a result, we confirmed the suitability of this system for practical use.