METHOD OF INVESTIGATING OBSTACLE

PROBLEM TO BE SOLVED: To provide a method of investigating an obstacle which solves a problem that a field environment of an optical transmission communication device cannot be reproduced exactly in a factory during a reproduction test. SOLUTION: The method of investigating the obstacle implements a storage procedure S11 by which an environment in the optical transmission communication device 2 having a plurality of packages 7 to be managed and a management package 4 for managing the packages to be managed is stored in a particular package 7' to be managed as field environment data A at a predetermined time, and an analysis procedure S22 by which, after the storage procedure S11, the particular package 7' to be managed is mounted in a reproduction test device 32, the field environment data A are read from the particular package 7' to be managed, and the particular package 7' to be managed is managed based on the field environment data A. COPYRIGHT: (C)2011,JPO&INPIT