| 摘要 |
PURPOSE:To reduce the cost of goods and manufacture processes in number and also to miniaturize a main distributing board rack for a telephone exchange by providing terminals to a lightning arrester and arrester spring and by making a jumper connection between terminals while fixing those terminal surfaces on the same surface as a line-wire cable terminating terminal board. CONSTITUTION:Arrester ARR and arrester spring SPG are provided with terminals R to which jumper lines can be connected, and they are fitted to the frame of a main distributing board rack so that those terminal surfaces will be on the surface as line-wire cable terminating terminal plate T. Then, line-wire cable terminating terminal plate T, and termials R of arrester ARR and arrester spring SPG are connected via jumper lines J1 and J2. |
