Kim Y., Huh Y., Lee J., Kim J.

The network equipments are now essential tools for communication among individuals as well as societies, especially at the hazard situation such as earthquake strike. In 2004, an earthquake of magnitude 6.8 was occurred at Niigata, Japan. In spite that the magnitude was one of common great earthquakes in Japan, many mountains and roads were collapsed, and many lifelines were destructed. The Slim base transfer station (BTS) model made by Samsung Electronics had been operating around Niigata more than a hundred. It was reported that less than 15 set among them showed blackout after the earthquake by interruption of electricity, not by the malfunction. The Slim BTS weighing about 200 kg was subjected to the Zone 3 earthquake loading of GR-63-CORE by finite element analysis and shaking table test. The functional operability and structural safety were confirmed by test for Zone 3 earthquake requirements. The objective of this paper is to describe how the Slim BTS could work during the Niigata earthquake without structural or operational failures. The results of FEM analysis by NASTRAN could explain the earthquake response relations between test and real situation.