| 摘要 |
A server and data stored in a memory element or a storage medium can be protected from harmful electromagnetic waves from the outside. Shield fingers are arranged along the circumferences of openings of a front door 16 of an upper main body 12 housing servers and a router in an internal space 27. In addition, a shield finger is arranged along the circumference of an opening of a lower front door 18 of a lower main body housing a main body of an electric circuit component such as filter 26. The main bodies and the doors are made of steel and have predetermined thicknesses (40 mm in a bent portion and 21 mm in other portions). In addition, an optical fiber is used as a data line, which is led in an internal space 27 of the upper main body through a conduit 40.
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