| 摘要 |
PROBLEM TO BE SOLVED: To install inside and outside a building with a single communication equipment. SOLUTION: This case structure is constituted of a case main body 5, a terminal, board arranged in the case main body 5 and capable of being connected to a communication line 13 and a modular connector jack, a detachable cover 7 for covering a partial range of the case main body 5, and comprises a cutout hole 19 to be used when the communication line is connected to the terminal board in the case main body 5 in installing outside the building, a knock-out thin part 17 for arranging the modular connector jack capable of being connected to a telephone line by a connector in installing inside the building, and modular connector jack attaching parts 21 for fixing and setting the modular connector jack.
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