Patent ID: 6643141
Filing Date: 2003-11-04
Classification: H04Q,H05K

Abstract:
A transmission apparatus including a plurality of communication interfaces, comprising:a subrack including: a back wiring board, a first connector arranged on a front surface of the back wiring board, a second connector arranged on a rear surface of the back wiring board and electrically connected to the first connector, and a metal connector unit-receiving block arranged on the rear surface of the back wiring board and having a space formed therein, for receiving a plurality of said connector units; an electronic circuit unit connected to the first connector on the back wiring board; and a connector unit including a connector board on which are mounted a male seat connector connected to the second connector on the back wiring board and an external line connector electrically connected to the male seat connector, and a metal case for covering the connector board; wherein the connector unit-receiving block of the subrack further includes a plurality of metal boxes in each of which said connector unit is fitted, and metal springs each secured within a corresponding one of the boxes and having a resilient force acting in a direction of holding said connector unit fitted in the box, wherein said connector unit is received in said connector unit-receiving block in a manner fitted in the box within said connector unit-receiving block, and wherein within said connector unit, at least one of ends of the connector board is held off the case, in a floating state, laterally movable between opposing side plates inwardly protruded with respect to an interior of the case.