| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide optical wiring holding shelves for a rack unit which is provided with optical wiring holding shelves corresponding to optical connection modules of the respective two or more stages vertically arranged on the rack unit. <P>SOLUTION: The rack unit 1 in which the optical connection modules 2 are vertically arranged in two or more stages is provided with the optical wiring holding shelves 3 for holding optical cables incoming/outgoing to/from the optical connection modules 2 for connection, so that the holding shelves 3 are made corresponding to the respective optical connection modules 2 and freely turnable up and down separately. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
