| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique regarding an exchanger system and its wiring method where the accommodation space of the confounding cable between 0 and 1 systems by allowing the rear surfaces of each frame of the 0/1 systems to oppose each other and connecting BWBs(Back Wiring Board) with a connector. SOLUTION: An exchanger system A related to the form of this embodiment is, as shown in Fig. 1, approximately composed of a 0 system A1 where act and standby systems are switched, a 1 system A1' that becomes the standby system when the 0 system A1 functions as the act system and functions as the act system when the 0 system A1 is the stand by system and has the same component as the 0 system A1, and a 0/1 connection connector 4 for connecting the 0 system A1 to the 1 system A1'. The 0 system A 1 (1 system A1') is provided with one or a plurality of units 1 (units 1'), a BWB(Back Wiring Board) 3 (BWB3') that is provided for each of the unit 1 (unit 1') in a 0-system rear surface G1 (1-system rear surface G1') of the 0-system A1 (1-system A1'), and the frame 2 (frame 2') for accommodating the unit 1 (unit 1').
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